Analysis of the strong D 2 (2460)0 D + π and D s2 (2573)+ D + K 0 transitions via QCD sum rules
|
|
- Gordon Heath
- 5 years ago
- Views:
Transcription
1 Eur. Phys. J. C :306 DOI 0.40/epjc/s x Regular Article - Theoretical Physics Analysis of the stron D and D s D K 0 transitions via QCD sum rules K. Azizi,a, Y. Sarac 2,b, H. Sundu 3,c Physics Department, Doğuş University, Acıbadem-Kadıköy, Istanbul, Turkey 2 Electrical and Electronics Engineering Department, Atilim University, Ankara, Turkey 3 Department of Physics, Kocaeli University, 4380 Izmit, Turkey Received: 8 July 204 / Accepted: 26 September 204 The Authors 204. This article is published with open access at Springerlink.com Abstract The stron D and D s D K 0 transitions are analyzed via three-point QCD sum rules. First we calculate the corresponding strong coupling constants 2 D and s2 DK. Then we use them to calculate the corresponding decay widths and branching ratios. Making use of the existing experimental data on the ratio of the decay width in the pseudoscalar D channel to that of the vector D channel, finally, we estimate the decay width and branching ratio of the stron D 200 transition. Introduction Following the first observation, reported in 986 ], the past few decades have been a period for the observations of orbitally excited charmed mesons 2 7]. During this period there have also been several theoretical studies on the masses, strong and electromagnetic transitions of these mesons via various methods for instance see 8 2] and references therein. Among these orbitally excited mesons are the D and D s mesons. The D state has the quantum numbers I J P = 2 2. Being not known exactly, I J P = 02 quantum numbers are favored by the width and decay modes of the Ds state. In this work, it is considered as a charmed strange tensor meson. One may refer to 22 32] and references therein for some experimental and theoretical studies on the properties of the charmed strange mesons. In the literature, compared to the other types of mesons, there are little theoretical works on the properties of the tensor mesons. Especially, their strong transitions are not studa kazizi@dogus.edu.tr b ysoymak@atilim.edu.tr c hayriye.sundu@kocaeli.edu.tr ied much. Studying the parameters of these tensor mesons and the comparison of the attained results with the existing experimental results may provide fruitful information about the internal structures and the natures of these mesons. Considering the appearance of these charmed tensor mesons as intermediate states in studying the B meson decays, the results of this work can also be helpful in this respect. Beside all of these, the possibility for searches on the decay properties of D2 and D s2 mesons at LHC is another motivation for theoretical studies on these states. The present work puts forward the analysis of the strong transitions D D and Ds D K 0. For this aim, first we calculate the strong coupling form factors 2 D and s2 DK via QCD sum rules as one of the most powerful and applicable non-perturbative methods to hadron physics 33,34]. These strong coupling form factors are then used to calculate the corresponding decay widths and branching ratios of the transitions under consideration. Making use of the existing experimental data on the ratio of the decay width in the pseudoscalar D channel to that of the vector D channel, finally, we evaluate the decay width of the strong D D 200 transition. 2 QCD sum rules for the strong coupling form factors 2 D and s2 DK The aim of this section is to present the details of the calculations of the coupling form factors 2 D and s2 DK for which we use the following three-point correlation function: μν p, p, q = i 2 d 4 x d 4 y e ip x e ip y 0 T J D y J K ] 0 J D 2 D s2 ] x 0, μν 23
2 306 Page 2 of 7 Eur. Phys. J. C :306 where T is the time ordering operator and q = p p is transferred momentum. The interpolating currents appearing in this three-point correlation function can be written in terms of the quark field operators as J D y = i dyγ 5 cy, J K ] 0 = iū s]0γ 5 d0, J D 2 D s2 ] μν x = i ū s]xγ μ Dν xcx 2 ] ū s]xγ ν Dμ xcx, 2 with Dμx being the two-side covariant derivative that acts on left and right, simultaneously. The covariant derivative Dμx is defined as Dμx = Dμ x Dμx], 3 2 where D μ x = μ x i g 2 λa A a μ x, D μ x = μ x i g 2 λa A a μ x. 4 Here λ a a =, 2,..., 8 are the Gell-Mann matrices and A a μ x stand for the external gluon fields. These fields are expressed in terms of the gluon field strength tensor using the Fock Schwinger gauge x μ A a μ x = 0, i.e. A a μ x = dααx β G a βμ αx 0 = 2 x βg a βμ 0 3 x ηx β D η G a βμ 0, 5 where we keep only the leading term in our calculations and ignore contributions of the derivatives of the gluon field strength tensor. One follows two different ways to calculate the above mentioned correlation function according to the QCD sum rule approach. It is calculated in terms of hadronic parameters, called the hadronic side. On the other hand, it is calculated in terms of quark and gluon degrees of freedom with the help of the operator product expansion in the deep Euclidean region, called the OPE side. The match of the coefficients of the same structures from both sides provides the QCD sum rules for the intended physical quantities. With the help of a double Borel transformation with respect to the variables p 2 and p 2 one suppresses the contribution of the higher states and the continuum. In the hadronic side, the correlation function in Eq. is saturated with complete sets of appropriate D2 D s2 ], K ], and D hadronic states with the same quantum numbers as the ones of the used interpolating currents. Performing the four-integrals over x and y leads to had μν p, p, q = 0 J K ] K ]q 0 J D Dp D 2 D s2 ]p,ɛ J D 2 D s2 ] μν 0 p 2 m 2 D 2 D s2 ]p 2 m 2 D q2 m 2 K ] K ]qdp D2 D s2 ]p,ɛ, 6 where represents the contributions of the higher states and continuum. The matrix elements appearing in this equation are parameterized as follows: 0 J K ] K ]q =i m2 K ] f K ] m d m us], 7 0 J D Dp m 2 D =i f D, 8 m d m c D 2 D s2 ]p,ɛ J D 2 μν and 0 =m 3 D 2 D s2 ] f D 2 D s2 ] ɛ λ μν, 9 K ]qdp D2 D s2 ]p,ɛ = 2 DDs2 DK] ɛ λ ηθ p η p θ, 0 where f K ], f D and f D 2 D s2 ] are leptonic decay constants of K ], D and D 2 D s2 ] mesons, respectively, and 2 D and s2 DK are the strong coupling form factors among the mesons under consideration. In writing Eq. 0 we have used the following relationships of the polarization tensor ɛ λ ηθ 35]: ɛ λ ηθ = ɛλ θη, ɛλη η = 0, p η ɛ ηθ λ = p θ ɛ ηθ λ = 0, ɛ λ ηθ ɛ λ ηθ = δ λλ. Using of the matrix elements given in Eqs. 7, 8, 9, and 0 in Eq.6, the correlation function takes its final form in the hadronic side, μν had p, p, q = 2 DDs2 DK] m 2 D m2 K ] f D f K ] f D 2 Ds2 ] m c m d m us] m d p 2 m 2 D2 m 2 D s2 ]p 2 D q2 m 2 K ] m D 2 Ds2 ] p p p μ p ν 2 p p 2 m 2 D2 D s2 ] p 2 p μ p ν m 3 3 m D 2 Ds2 ] D2 D s2 ] p μ p ν m D 2 D s2 ] p p p μ p ν m D 2 Ds2 ] m 2 D2 D s2 ] p 2 p p 2 ] g μν,
3 Eur. Phys. J. C :306 Page 3 of where the summation over the polarization tensor has been Sc il applied, i.e. x = i 2 4 d 4 ke ik x { ε μν λ ε λ αβ = 2 T μαt νβ 2 T μβ T να 3 T δ il μνt αβ, 3 g sg αβ il σ αβ k m c k m c σ αβ k m c 4 k 2 m 2 c λ 2 and T μν = g μν p 2 μ p ν 3 α sgg δ k 2 m c k ilm c k m m 2, 7 c 4 D2 D s2 ] and S us] x and S d x are the light quark propagators and are given by Following the application of the double Borel transformation with respect to the initial and final momenta squared, we obtain the hadronic side of the correlation function: B had μν q = 2 DD s2 DK] f D f D 2 D s2 ] f K ] m 2 D m2 K ] m c m d m us] m d m 2 K ] q2 m2 e D 2 D s2 ] M 2 e m2 D M 2 { 2 m D2 D s2 ] m 4 D m2 D2 D s2 ] q2 2 2m 2 D m2 D2 D s2 ] q2 g μν m 4 6m D 2 Ds2 ] D m2 D 4m2 D2 D s2 ] 2q2 m 2 D 2 D s2 ] q2 2] p μ p ν 2 m D 2 D s2 ] m 2 D m2 D 2 D s2 ] q2 p ν p μ m 3 D 2 D s2 ] p μ p ν 2 m D 2 D s2 ] m 2 D m2 D 2 D s2 ] q2 p μ p ν, 5 where M 2 and M 2 are Borel mass parameters. In the OPE side, we calculate the aforesaid correlation function in deep Euclidean region, where p 2 and p 2. Substituting the explicit forms of the interpolating currents into the correlation function Eq. and after contracting out all quark pairs via Wick s theorem, we get μν p, p, q = i 5 d 4 x d 4 ye ip x e ip y 2 { Tr γ 5 S ji d yγ 5Sc il y xγ ] μ DνxS lj us] x μ ν], 6 OPE x q x = i 2 2 x 4 δ ij S ij m q 4 2 x 2 δ ij qq i m q 2 4 x δ ij x2 92 m2 0 qq i m q 6 x δ ij ig sg ij θη xσ θη 32 2 x 2 σ θη x ]. 8 After the insertion of the explicit forms of the heavy and light quark propagators into Eq. 6, we use the following transformations in D = 4 dimensions: y x 2 ] n = y 2 ] m = d D t 2 D e ity x i n 2 D 2n D/2 ƔD/2 n Ɣn d D t 2 D e it y i m 2 D 2m D/2 ƔD/2 m Ɣm t 2 D/2 n, D/2 m t 2 9 and perform the four-x and four-y integrals after the replacements x μ i p μ and y μ i p μ. The four-integrals over k and t are performed with the help of the Dirac delta functions which are obtained from the four-integrals over x and y. The remaining four-integral over t is performed via the Feynman parametrization and d 4 t 2 β t t 2 L α = i2 β α Ɣβ 2Ɣα β 2 Ɣ2Ɣα L] α β In spite of its smallness we also include the contributions coming from the two-gluon condensate in our calculations. The correlation function in the OPE side is written in terms of different structures as OPE μν p, p, q = q 2 p μ p ν 2 q 2 p ν p μ 3 q 2 p μ p ν 4q 2 p μ p ν 5q 2 g μν, 2 where Sc il x represents the heavy quark propagator which is given by 36] where each i q 2 function receives contributions from both the perturbative and non-perturbative parts and can be written 23
4 306 Page 4 of 7 Eur. Phys. J. C :306 as i q 2 = ds ds ρ pert i s, s, q 2 s p 2 s p 2 non-pert i q 2, 22 where the spectral densities ρ i s, s, q 2 are given by the imaginary parts of the i functions, i.e., ρ i s, s, q 2 = Im i]. In the present study, we consider the Dirac structure p μ p ν to obtain the QCD sum rules for the considered strong coupling form factors. The ρ s, s, q 2 and non-pert q 2 corresponding to this Dirac structure are obtained as ρ pert s, s, q 2 = 0 x dx 0 dy 3 8x2 7y 8y 2 7x 6xy 8 2 θls, s, q 2 ], with θ...] being the unit-step function and non-pert q 2 x = dx 0 0 { αs G 2 dyy 8L 4 m cx 3 2x 2y m c m d m q x y m c p 2 x q 2 y x y x y m c p 2 xx y xy y 2 m q x y m d x y p 2 x x y yp 2 x ] q 2 x y 24L 3 x 2 x 2 2x p 2 q 2 p 2 3x 2 xyx q 2 x 4 3x 6x 2 p 2 x 2 7x 24x 2 p 2 3 x 5x 2 6x 3 q 2 y x 8x 2 75x 3 24x 4 xy 2 p 2 57x 90x 2 42x 3 0 p 2 40x 50x 2 8x 3 q 2 y 3 x 5 62x 42x 2 xy 3 p 2 x 42x 9 48xp 2 24x 2 p 2 9p 2 xy 4 p 2 7 8x p x 23 q 2 y x 42x 2 6xy 5 p 2 p 2 3y 5 q 2 8x 7 6y 6 q 2 m 2 c x3 8x 2 7y 8y 2 7x 6xy m c m q xx y 8x 3 3x 2 2x 5y 0xy 8x 2 y 8y 2 m c m q x8x 4 x 3 8x 2 3x 3y 4xy 9x 2 y 6x 3 y 7y 2 2xy 2 ] 8x 2 y 2 4y 3 48L 2 24x 4 x 3 72y 55 3x y 32y 2 y 2 y8 3y 24y 2 8x 75xy 44xy 2 72xy 3]] m 2 0 dd m q 24q 2 m 2 c 9m 4 p 2 4 c 8m3 c m d 2m 2 c p 2 2m c m d p 2 3p 4 m2 0 qq m d 24q 2 m 2 c p2 4 9m 4 c 8m3 c m q 2m 2 c p 2 2m c m q p 2 3p 4, 24 where qq = uu, m q = m u and qq = ss, m q = m s for the initial D2 and D s2 states, respectively, and Ls, s, q 2 = m 2 c x sx sx2 q 2 y q 2 xy sxy s xy q 2 y The final form of the OPE side of the correlation function is obtained after a double Borel transformation as { B OPE μν q2 = ds where B nonpert q 2 ds e s M 2 e s M 2 ρ pert s, s, q 2 p μ p ν, 26 B non-pert q 2 0 = dx m 2 exp c M 4 x m 2 c M4 x M 2 M 2 q 2 x 2 2m 2 c x ] α s G 2 M 2 M 2 M 2 M 2 xx { M 2 x 6 M 2 M 2 x 48 x 2 x 3 u 6 M 2 M 2 0 xm 2 c M 4 M 4 M 2 M 2 ] q 2 x 2 2m 2 c x 23
5 Eur. Phys. J. C :306 Page 5 of M 2 x 6 M 2 M 2 x M 2 q 2 x x 3 u 5 M 2 M 2 9 4M 4 x M 2 q 2 2M 2 x q 2 x M 8 x 4 m x 2 u 4 M 2 M 2 M 2 7 c m d M 6 M 6 x M 2 x m c m d x M 4 M 2 4M 2 x m c m d 2x M 2 M 4 ] m c m d x2 x M 2 7x 5x 2 2 with M 8 M 2 M 2 x x 2 u 3 M 2 M 2 M 2 5 x 4 m c m u M 2] θ M 2 M 2 x ] M 2 M 2 27 u = x M2 M 2 x. 28 M 2 M 2 Equating the coefficients of the same Dirac structure from both sides of the correlation function, we get the following sum rules for the coupling form factors 2 D and s2 DK: 2 DD s2 DK] m 2 D 2 D s2 ] m 2 D 6m = e M 2 e M 2 c m d m d m us] m 2 K ] q2 m D 2 Ds2 ] f D 2 Ds2 ] f D f K ] m 2 D m2 K ] m 4 D m2 D 4m2 D 2 D s2 ] 2q2 m 2 D 2 D s2 ] q2 2] { s0 s ds 0 ds e s M 2 e s M 2 ρ pert m c m us] 2 m c m d 2 s, s, q 2 B non-pert q 2, 29 where s 0 and s 0 are continuum thresholds in D 2 D s2 ] and D channels, respectively, and we have used the quark hadron duality assumption. 3 Numerical results In this section, we numerically analyze the obtained sum rules for the strong coupling form factors in the previous section and search for the behavior of those couplings with respect to Q 2 = q 2. The values of the strong coupling form factors at Q 2 = m 2 K ] give the strong coupling constants whose values are then used to find the decay rate and branching ratio of the strong transitions under consideration. To proceed, we use some input parameters, presented in Table. The next task is to find the working regions for the auxiliary parameters M 2, M 2, s 0, and s 0. As they are not physical parameters, the strong coupling form factors should roughly be independent of these parameters. In the case Table Input parameters used in calculations Parameters Values m c.275 ± GeV 37] m d MeV 37] m u MeV 37] m s 95 ± 5MeV37] m D ,462.6 ± 0.6 MeV 37] m D s ,57.9 ± 0.8 MeV 37] m D, ± 0.5 MeV 37] m ± MeV 37] m K ± 0.06 MeV 37] f D ± ] f D s ± ] f D ± 8.9 MeV37] f 30.4 ± 0.03 ± 0.20 MeV 37] f K 56. ± 0.2 ± 0.8 ± 0.2 MeV37] αs G ± GeV 4 38,39] of the continuum thresholds, they are not completely arbitrary but are related to the energy of the first excited states with the same quantum numbers as the considered interpolating fields. From a numerical analysis, the working intervals are obtained as ] GeV 2 s ] GeV 2 and 4.7GeV 2 s 0 5.6GeV2 for the strong vertex D2 DD s2 DK]. In the case of the Borel mass parameters M 2 and M 2, we choose their working windows such that they guarantee not only the pole dominance but also the convergence of the OPE. If these parameters are chosen too large, the convergence of the OPE is good but the continuum and higher state contributions exceed the pole contribution. On the other hand if one chooses too small values, although the pole dominates the higher state and continuum contributions, the OPE have a poor convergence. By considering these conditions we choose the windows 3 GeV 2 M 2 8GeV 2 and 2GeV 2 M 2 5GeV 2 for the Borel mass parameters. Our analysis shows that, in these intervals, the dependence of the results on the Borel parameters are weak. Now we proceed to find the variations of the strong coupling form factors with respect to Q 2. Using the working regions for the auxiliary parameters we observe that the following fit function well describes the strong coupling form factors in terms of Q 2 : 2 DDs2 DK] Q 2 = c exp Q2 ] c 3, 30 c 2 where the values of the parameters c, c 2, and c 3 for different structures are presented in Tables 2 and 3 for D2 D and Ds2 DK, respectively. From this fit parametrization we obtain the values of the strong coupling constants for each 23
6 306 Page 6 of 7 Eur. Phys. J. C :306 Table 2 Parameters appearing in the fit function of the coupling form factor for D2 D vertex Structure c GeV c 2 GeV 2 c 3 GeV p μ p ν 5.7 ± ± ± 0.6 p μ p ν 8.2 ± ± ± 3.77 p μ p ν.57 ± ± ± 0.34 p μ p ν.57 ± ± ± 0.34 g μν 5.24 ± ± ± 0.00 Table 5 Numerical results for decay width and branching ratio of D D transition obtained via different structures Structure Ɣ GeV BR p μ p ν 6.26 ± ± p μ p ν.25 ± ± p μ p ν 4.73 ± ± p μ p ν 4.73 ± ± g μν 5.0 ± ± Table 3 Parameters appearing in the fit function of the coupling form factor for Ds2 DK vertex Structure c GeV c 2 GeV 2 c 3 GeV p μ p ν 6.43 ± ± ± 0.24 p μ p ν 9.79 ± ± ± 3.7 p μ p ν 2.03 ± ± ± 0.24 p μ p ν 2.03 ± ± ± 0.24 g μν 7.75 ± ± ± Table 4 Value of the 2 DD s2 DK] coupling constant in GeV unit for different structures Structure 2 D Q 2 = m 2 s2 DK Q 2 = m 2 K p μ p ν 4.63 ± ±.84 p μ p ν ± ± 5.5 p μ p ν 2.72 ± ± 3.85 p μ p ν 2.72 ± ± 3.85 g μν 5.30 ± ± 5.48 structure at Q 2 = m 2 K ] as presented in Table 4. The errors appearing in our results belong to the uncertainties in the input parameters as well as errors coming from the determination of the working regions for the auxiliary parameters. From Table 4 we see that the results strongly depend on the selected structure such that the maximum values for the strong couplings in D2 and D s2 channels that belong to the structure p μ p ν are roughly four times greater that those of the minimum values which correspond to the structure p μ p ν. The values obtained using other structures lie between these maximum and minimum values. Note that the coupling constant in the channel has been estimated in a pioneering study via chiral perturbation theory 40]. By converting the parametrization of the coupling constant used in 40] to our parametrization, Falk 40] finds a value of 2 D 6 GeV in the vertex which is close to our prediction obtained via the structure g μν. Our results obtained via the structures p μ p ν and p μ p ν are comparable with that of 40] within the errors. However, our results obtained via the structure p μ p ν are considerably high and our prediction obtained using the structure p μ p ν is very low compared to Table 6 Numerical results for decay width and branching ratio of D s D K 0 transition obtained via different structures Structure Ɣ GeV BR p μ p ν 3.70 ± ± p μ p ν 4.73 ± ± p μ p ν.84 ± ± p μ p ν.84 ± ± g μν 3.72 ± ± the result of 40] for the strong coupling constant associated to the D2 D vertex. The final task in the present work is to calculate the decay rates and branching ratios for the strong D D and Ds D K 0 transitions. Using the amplitudes of these transitions we find Ɣ = Mp 2 40m 2 p, 3 D2 D s2 ] where Mp 2 = g D2 DD s2 DK] 3m 4 m D 2 D p D2 D s2 ] s2 ] 2 m 2 D 4m2 2 D 3m 2 m D 2 D p D2 D s2 ] s2 ] 2 m 2 2m 4 ] D D, 32 3 and p = 2m D 2 Ds2 ] m 4 D 2 D s2 ]m4 D m4 2m2 D 2 D s2 ]m2 K ] 2m2 D m2 K ] 2m2 D 2 D s2 ]m2 D. 33 The numerical values of the decay rates for the transitions under consideration are presented in Tables 5 and 6.Usingthe total widths of the initial particles as Ɣ D = 49.0 ±.3 MeV, Ɣ D s = 7 ± 4 MeV 37] wealsofind the corresponding branching ratios that are also presented in Tables 5 and 6. Using the following experimental ratio in the channel 37,4]: 23
7 Eur. Phys. J. C :306 Page 7 of Table 7 Numerical results for decay width and branching ratio of D D 200 transition obtained via different structures Structure ƔGeV BR p μ p ν 3.84 ± ± p μ p ν 7.67 ± ± p μ p ν 2.90 ± ± p μ p ν 2.90 ± ± g μν 3.2 ± ± ƔD D ] ƔD D ]ƔD D 200 ] = 0.62 ± 0.03 ± 0.02, 34 we also get the values of the decay rate and branching ratio for D D 200 channel for different structures as presented in Table 7. Considering the fact that the dominant decay modes of D are D D and D D, from the values presented in Tables 5 and 7, we see that all structures give the results for the total decay width of the D tensor meson compatible with the experimental data 37] except for the structure p μ p ν, which gives a result roughly one order of magnitude smaller than the experimental values. To sum up, we calculated the strong coupling form factors 2 D q 2 and s2 DKq 2 in the framework of QCD sum rules. Using the obtained working regions for the auxiliary parameters entering the sum rules of the strong form factors, we found the behavior of those form factors in terms of Q 2.UsingQ 2 = m 2 K ], we also found the values of the strong coupling constants 2 D and s2 DK, which have then been used to calculate the decay widths and branching ratios of the strong D D, D D 200, and Ds D K 0 transitions. Our results can be used in analyses of the future experimental data, especially at the K channel. Acknowledgments This work has been supported in part by the Scientific and Technological Research Council of Turkey TUBITAK under the research project 4F08. Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original authors and the source are credited. Funded by SCOAP 3 /LicenseVersionCCBY4.0. References 2. H. Albrecht et al. ARGUS Collaboration, Phys. Lett. B 232, H. Albrecht et al. ARGUS Collaboration, Phys. Lett. B 23, H. Albrecht et al. ARGUS Collaboration, Phys. Lett. B 22, H. Albrecht et al. ARGUS Collaboration, Phys. Lett. B 230, H. Albrecht et al. ARGUS Collaboration, Phys. Lett. B 297, J.C. Anjos et al. E69 Collaboration, Phys. Rev. Lett. 62, P.L. Frabetti et al. E687 Collaboration, Phys. Rev. Lett. 72, P. Avery et al. CLEO Collaboration, Phys. Rev. D 4, P. Avery et al. CLEO Collaboration, Phys. Lett. B 33, J.P. Alexander et al. CLEO Collaboration, Phys. Lett. B 303, Y. Kubota et al. CLEO Collaboration, Phys. Rev. Lett. 72, T. Bergfeld et al. CLEO Collaboration, Phys. Lett. B 340, J. Link et al. FOCUS Collaboration, Phys. Lett. B 586, K. Abe et al. BELLE Collaboration, Phys. Rev. D 69, V.M. Abazov et al. D0 Collaboration, Phys. Rev. Lett. 95, R. Aaij et al. LHCb Collaboration, Phys. Lett. B 698, S. Godfrey, Phys. Rev. D 72, H. Sundu, K. Azizi, Eur. Phys. J. A 48, K. Azizi, H. Sundu, J.Y. Süngü, N. Yinelek, Phys. Rev. D 88, Erratum-ibid. D 88, K. Azizi, H. Sundu, A.Y. Türkan, E. Veli Veliev., J. Phys. G Nucl. Part. Phys. 4, F. De Fazio, arxiv: hep-ph] 23. R. Molina et al., AIP Conf. Proc. 322, A. Faessler et al., Phys. Rev. D 76, B. Aubert et al. BaBar Collaboration, Phys. Rev. Lett. 03, B. Aubert et al. BaBar Collaboration, Phys. Rev. D 80, D. Liventsev et al. Belle Collaboration, Phys. Rev. D 77, P. Colangelo et al., Phys. Rev. D 86, B. Aubert et al., Phys. Rev. Lett. 90, D. Besson et al., Phys. Rev. D 68, Erratum-ibid. D ] 3. B. Aubert et al., Phys. Rev. Lett. 97, J. Brodzicka et al., Phys. Rev. Lett. 00, M.A. Shifman, A.I. Vainshtein, V.I. Zakharov, Nucl. Phys. B 47, M.A. Shifman, A.I. Vainshtein, V.I. Zakharov, Nucl. Phys. B 47, H.-Y. Cheng, K.-C. Yang, Phys. Rev. D 83, L.J. Reinders, H. Rubinstein, S. Yazaki, Phys. Rept. 27, Beringer et al. Particle Data Group, Phys. Rev. D 86, V.M. Belyaev, B.L. Ioffe, Sov. Phys. JETP 57, V.M. Belyaev, B.L. Ioffe, Phys. Lett. B 287, A.F. Falk, M. Luke, Phys. Lett. B 292, The BABAR Collaboration, B. Aubert, et al., Phys. Rev. Lett. 03, H. Albrecht et al. ARGUS Collaboration, Phys. Rev. Lett. 56,
arxiv: v2 [hep-ph] 17 May 2010
Heavy χ Q tensor mesons in QCD arxiv:00.767v [hep-ph] 7 May 00 T. M. Aliev a, K. Azizi b, M. Savcı a a Physics Department, Middle East Technical University, 0653 Ankara, Turkey b Physics Division, Faculty
More informationarxiv: v2 [hep-ph] 17 Mar 2015
Thermal properties of light tensor mesons via QCD sum rules arxiv:1410.537v [hep-ph] 17 Mar 015 K. Azizi 1, A. Türkan, E. Veli Veliev 3, H. Sundu 4 Department of Physics, Faculty of Arts and Sciences,
More informationarxiv: v2 [hep-ph] 8 Jan 2014
Thermal properties of D2 (2460) and D s2 (2573) tensor mesons using QCD sum rules arxiv:1308.0887v2 [hep-ph] 8 Jan 2014 K. Azizi, H. Sundu, A. Türkan and E. Veli Veliev Department of Physics, Doğuş University,
More informationarxiv: v1 [hep-ph] 13 Sep 2009
On the Mass and Decay Constant of K (143) Tensor Meson T. M. Aliev 1, K. Azizi,V. Bashiry 3 1 Department of Physics, Middle East Technical University, 6531 Ankara, Turkey Physics Division, Faculty of Arts
More informationResearch Article Thermal Properties of Light Tensor Mesons via QCD Sum Rules
Advances in High Energy Physics Volume 2015, Article ID 794243, 7 pages http://dx.doi.org/10.1155/2015/794243 Research Article Thermal Properties of Light Tensor Mesons via QCD Sum Rules K. Azizi, 1 A.
More informationDecay constants and masses of light tensor mesons (J P = 2 + )
Decay constants and masses of light tensor mesons (J P = + ) R. Khosravi, D. Hatami Department of Physics, Isfahan University of Technology, Isfahan 84156-83111, Iran Abstract We calculate the masses and
More informationarxiv: v2 [hep-ph] 22 Feb 2016
On the strong coupling π arxiv:1510.0543v hep-ph] Feb 016 K. Azizi a, Y. Sarac b, H. Sundu c a Department of Physics, Doğuş University, Acıbadem-Kadıköy, 347 Istanbul, Turkey b Electrical and Electronics
More informationarxiv: v1 [hep-ph] 15 Mar 2016
Transition Form Factors of χ b (1P) B c lν in QCD arxiv:163.4585v1 [hep-ph] 15 Mar 16 K. Azizi 1, H. Sundu, J. Y. Süngü, N. Yinelek 1 Department of Physics, Dogus University, Acibadem-Kadikoy, 347 Istanbul,
More informationarxiv: v1 [hep-ph] 16 Jan 2019
Analysis of the D D K system with QCD sum rules Zun-Yan Di 1,2, Zhi-Gang Wang 1 1 Department of Physics, North China Electric Power University, Baoding 071003, P. R. China 2 School of Nuclear Science and
More informationvertices in QCD sum rules
Home Search Collections Journals About Contact us M IOPscience Analses of g D*sDK and g B*sBK vertices in QCD sum rules This article has been downloaded from IOPscience. Please scroll down to see the full
More informationAnalysis of the Isgur-Wise function of the Λ b Λ c transition with light-cone QCD sum rules
Analysis of the Isgur-Wise function of the Λ b Λ c transition with light-cone QCD sum rules Zhi-Gang Wang 1 Department of Physics, North China Electric Power University, Baoding 713, P. R. China arxiv:96.426v1
More informationSome recent progresses in heavy hadron physics. Kazem Azizi. Oct 23-26, Second Iran & Turkey Joint Conference on LHC Physics
Some recent progresses in heavy hadron physics Kazem Azizi School of Physics Doğuş University-Istanbul Oct 23-26, 2017 Second Iran & Turkey Joint Conference on LHC Physics 1 Outline v Introduction to the
More informationarxiv: v2 [hep-ph] 3 Feb 2015
Semileptonic B D transition in nuclear medium arxiv:141.5234v2 [hep-ph] 3 Feb 215 K. Azizi 1, N. Er 2, H. Sundu 3 1 Department of Physics, Doğuş University, Acıbadem-Kadıköy, 34722 İstanbul, Turkey 2 Department
More informationDetermination of the scalar glueball mass in QCD sum rules
Determination of the scalar glueball mass in QCD sum rules Tao Huang 1,2, HongYing Jin 2 and Ailin Zhang 2 1 CCAST (World Laboratory), P. O. Box 8730, Beijing, 100080 arxiv:hep-ph/9807391v1 16 Jul 1998
More informationarxiv:hep-ph/ v1 6 Oct 1993
CCUTH-93-1 arxiv:hep-ph/931231v1 6 Oct 1993 Stability Analysis of Sum Rules for pion Compton Scattering Claudio Corianò 1 and Hsiang-nan Li 2 1 Institute for Theoretical Physics, University of Stockholm,
More informationEstimates of m d m u and dd ūu from QCD sum rules for D and D isospin mass differences
TPI-MINN-92/69-T BUTP-93/2 Estimates of m d m u and dd ūu from QCD sum rules for D and D isospin mass differences V.L. Eletsky, Theoretical Physics Institute, University of Minnesota Minneapolis, MN 55455,
More informationSUM RULES. T.M.ALIEV, D. A. DEMIR, E.ILTAN,and N.K.PAK. Physics Department, Middle East Technical University. Ankara,Turkey.
RADIATIVE B! B and D! D DECAYS IN LIGHT CONE QCD SUM RULES. T.M.ALIEV, D. A. DEMIR, E.ILTAN,and N.K.PAK Physics Department, Middle East Technical University Ankara,Turkey November 6, 995 Abstract The radiative
More informationThe newly discovered Ω c resonances and doubly charmed Ξ cc state. Kazem Azizi. Oct 4, School of Physics, IPM, Tehran- Iran
The newly discovered Ω c resonances and doubly charmed Ξ cc state Kazem Azizi School of Physics Doğuş University-Istanbul Oct 4, 2017 School of Physics, IPM, Tehran- Iran Outline v Introduction to the
More informationQuantum Chromo Dynamics (QCD), as the fundamental theory of the strong interaction predicts the existence of exotic mesons made of gluons. Observation
Scalar Glueball Decay Into Pions In Eective Theory Hongying Jin and Xinmin Zhang Institute of High Energy Physics, Academia Sinica, P.O.Box 98(4), Beijing 39, China Abstract We examine the mixing between
More informationDifferent approaches to calculate the K ± π ± π 0 e + e decay width
Eur. Phys. J. C 014 74:860 DOI 10.1140/epjc/s1005-014-860-0 Regular Article - Theoretical Physics Different approaches to calculate the K ± ± 0 e + e decay width S. R. Gevorkyan a,m.h.misheva Joint Institute
More informationarxiv: v1 [hep-ph] 22 Mar 2011
Thermal QCD Sum Rules Study of Vector Charmonium and Bottomonium States arxiv:1103.4330v1 [hep-ph] 22 Mar 2011 E. Veli Veliev 1, K. Azizi 2, H. Sundu 3, G. Kaya 4, A. Türkan 5 Department of Physics, Kocaeli
More informationApplications of QCD Sum Rules to Heavy Quark Physics
Applications of QCD Sum Rules to Heavy Quark Physics Alexander Khodjamirian UNIVERSITÄT SIEGEN Theoretische Physik 1 RESEARCH UNIT q et f 3 lectures at Helmholtz International School "Physics of Heavy
More informationarxiv: v2 [hep-ph] 19 Jun 2018
The strong decays of the light scalar mesons f 0 (500) and f 0 (980) arxiv:1804.0176v [hep-ph] 19 Jun 018 S. S. Agaev, 1 K. Azizi,,3 and H. Sundu 4 1 Institute for Physical Problems, Baku State University,
More informationarxiv:nucl-th/ v1 21 Jan 1999
EPJ manuscript No. will be inserted by the editor) Model independent constraints from vacuum and in-medium QCD Sum Rules arxiv:nucl-th/99158v1 21 Jan 1999 F. Klingl and W. Weise a Physik-Department, Theoretische
More informationarxiv: v1 [hep-ph] 2 Mar 2019
The tetraquark K (400) in the decays τ [ω(78) φ(00)]k ν τ M. K. Volkov Aleksey A. Pivovarov K. Nurlan BLTP Joint Institute for Nuclear Research Dubna 4980 Russia arxiv:903.00698v [hep-ph] Mar 09 Abstract
More informationF. S.Navarra Instituto de Física, Universidade de São Paulo, C.P , São Paulo, SP, Brazil.
f 0 (980) production in D + s π + π + π and D + s π + K + K decays J. M. Dias Departamento de Física Teórica and IFIC, Centro Mixto Universidad de Valencia-CSIC, Institutos de Investigacíon de Paterna,
More information(2 1 S 0. ) and D s. Study of radially excited D s. Chinese Physics C. Related content PARTICLES AND FIELDS OPEN ACCESS
Chinese Physics C PARTICLES AND FIELDS OPEN ACCESS Study of radially excited D s ( 1 S 0 ) and D s (3P) To cite this article: Yu Tian et al 017 Chinese Phys. C 41 083107 Related content - Mixing between
More informationFaddeev equations: a view of baryon properties
E-mail: diana.nicmorus@uni-graz.at G. Eichmann E-mail: ge.eichmann@uni-graz.at A. Krassnigg E-mail: andreas.krassnigg@uni-graz.at R. Alkofer E-mail: reinhard.alkofer@uni-graz.at We present a calculation
More informationDerek Harnett University of the Fraser Valley Abbotsford, British Columbia, Canada
Derek Harnett University of the Fraser Valley Abbotsford, British Columbia, Canada hadrons with explicit quark and gluon constituents predicted/allowed by QCD outside the constituent quark model probe
More informationZ. Z. Aydin and U. Erkarslan. Ankara University, Faculty of Engineering, Department of Engineering Physics, Tandogan, Ankara TURKEY
The charm quark EDM and singlet P -wave charmonium production in supersymmetry Z. Z. Aydin and U. Erkarslan Ankara University, Faculty of Engineering, Department of Engineering Physics, 0600 Tandogan,
More informationarxiv: v1 [hep-lat] 4 Nov 2014
Meson Mass Decomposition,2, Ying Chen, Terrence Draper 2, Ming Gong,2, Keh-Fei Liu 2, Zhaofeng Liu, and Jian-Ping Ma 3,4 arxiv:4.927v [hep-lat] 4 Nov 24 (χqcd Collaboration) Institute of High Energy Physics,
More informationAxial anomaly, vector meson dominance and mixing
Axial anomaly, vector meson dominance and mixing Yaroslav Klopot 1, Armen Oganesian 1,2 and Oleg Teryaev 1 1 Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia
More informationarxiv:hep-ph/ v1 18 Mar 2006
Radiative decays of B c mesons in a Bethe-Salpeter model arxiv:hep-ph/0603139v1 18 Mar 2006 A. Abd El-Hady a,1, J. R. Spence b and J. P. Vary b a) Physics Department, King Khalid University, Abha 9004,
More informationBethe Salpeter studies of mesons beyond rainbow-ladder
Bethe Salpeter studies of mesons beyond rainbow-ladder Richard Williams 1 st June 2010 12th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon College of William and Mary,
More informationarxiv: v2 [hep-ph] 5 Feb 2009
A multiquark description of the D sj (2860) and D sj (2700) J. Vijande 1, A. Valcarce 2, F. Fernández 3. arxiv:0810.4988v2 [hep-ph] 5 Feb 2009 1 Dpto. de Física Atómica, Molecular y Nuclear, Universidad
More informationOpen charm and beauty chiral multiplets in QCD
Physics Letters B 605 (2005) 319 325 www.elsevier.com/locate/physletb Open charm and beauty chiral multiplets in QCD Stephan Narison Laboratoire de Physique Mathématique et Théorique, UM2, Place Eugène
More informationfrom B -Factories A. Oyanguren (IFIC U. Valencia) BaBar Collaboration
Charm Form Factors from B -Factories A. Oyanguren (IFIC U. Valencia) BaBar Collaboration Purpose: Charm Form Factors - Validate Lattice-QCD calculations - Discriminate between models describing hadronic
More informationPion Transition Form Factor
First Prev Next Last Symposium on the 12% Rule and ρ π Puzzle in Vector Charmonium Decays Beijing, China, March 18-20, 2011. Pion Transition Form Factor ZE-KUN GUO In Collaboration With Qiang Zhao Institute
More informationη π 0 γγ decay in the three-flavor Nambu Jona-Lasinio model
TIT/HEP-38/NP INS-Rep.-3 η π 0 γγ decay in the three-flavor Nambu Jona-Lasinio model arxiv:hep-ph/96053v 8 Feb 996 Y.Nemoto, M.Oka Department of Physics, Tokyo Institute of Technology, Meguro, Tokyo 5,
More informationThe invariant and helicity amplitudes in the
The invariant and helicity amplitudes in the transitions Λ b Λ ( 1 + J/ψ Mikhail Ivanov JINR Dubna E-mail: ivanovm@theor.jinr.ru We present results for the invariant and helicity amplitudes in the transitions
More informationStrange Charmed Baryons Spectroscopy
EPJ Web of Conferences 58, 03008 (07) QFTHEP 07 DOI: 0.05/epjconf/075803008 Strange Charmed Baryons Spectroscopy Elena Solovieva, Moscow Institute of Physics and Technology, 9 Institutskiy pereulok, Dolgoprudny,
More informationarxiv: v2 [hep-ph] 23 Oct 2018
On the mass and decay constant of the P-wave ground and radially excited h c and h b axial-vector mesons K. Azizi 1,2 and J.Y. Süngü 3 1 School of Physics, Institute for Research in Fundamental Sciences
More informationA Comparative Study of f B within QCD Sum Rules with Two Typical Correlators up to Next-to-Leading Order
Commun. Theor. Phys. 55 (2011) 635 639 Vol. 55, No. 4, April 15, 2011 A Comparative Study of f B within QCD Sum Rules with Two Typical Correlators up to Next-to-Leading Order WU Xing-Gang ( ), YU Yao (ß
More informationVector meson dominance, axial anomaly and mixing
Vector meson dominance, axial anomaly and mixing Yaroslav Klopot 1, Armen Oganesian 1,2 and Oleg Teryaev 1 1 Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia
More informationHidden charm pentaquarks and tetraquark states
Er-Liang Cui, Jia-Bing Xiang, School of Physics and Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China E-mail: erliangcui.phy@buaa.edu.cn, xjbbuaa@buaa.edu.cn,
More informationarxiv: v2 [hep-ph] 25 Nov 2014
Production of the spin partner of the X(387) in e + e collisions arxiv:40.4674v [hep-ph] 5 Nov 04 Feng-Kun Guo a,, Ulf-G. Meißner a,b,, Zhi Yang a, a Helmholtz-Institut für Strahlen- und Kernphysik and
More informationThermal Properties of Heavy-Light Quark Pseudoscalar and Vector Mesons
Brazilian Journal of Physics, vol. 38, no. 3B, September, 2008 437. Thermal Properties of Heavy-Light uark Pseudoscalar and Vector Mesons Cesareo A. Dominguez Centre for Theoretical Physics and Astrophysics,
More informationD semi-leptonic and leptonic decays at BESIII
Institute of High Energy Physics, Chinese Academy of Sciences E-mail: mahl@ihep.ac.cn During 2010 and 2011, a data sample of 2.92 fb 1 was accumulated at s = 3.773 GeV by the BESIII detector operating
More informationPoS(EPS-HEP 2009)057. Bottomonium Studies at BaBar. Veronique Ziegler. SLAC National Accelerator Laboratory
SLAC National Accelerator Laboratory E-mail: vziegler@slac.stanford.edu Selected studies in bottomonium physics carried out by the BaBar experiment at the SLAC PEP-II e + e collider are presented. They
More informationQCD Factorization and PDFs from Lattice QCD Calculation
QCD Evolution 2014 Workshop at Santa Fe, NM (May 12 16, 2014) QCD Factorization and PDFs from Lattice QCD Calculation Yan-Qing Ma / Jianwei Qiu Brookhaven National Laboratory ² Observation + Motivation
More informationarxiv: v2 [hep-ph] 9 Jun 2009
Semileptonic to P-Wave Charmonia (X c X c h c Transitions within QCD Sum Rules K. Azizi H. Sundu M. Bayar Department of Physics Middle East Technical University 653 Ankara Turkey Physics Department Kocaeli
More informationA Form Factor Model for Exclusive B- and D-Decays. Berthold Stech 1
A Form Factor Model for Exclusive B- and D-Decays Berthold Stech Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 6, D-6920 Heidelberg, Germany Abstract An explicit model is presented
More informationarxiv: v1 [hep-lat] 23 Nov 2018
B c spectroscopy using highly improved staggered quarks arxiv:1811.09448v1 [hep-lat] 23 Nov 2018 INFN, Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Roma RM, Italy E-mail: andrew.lytle@roma2.infn.it
More informationlattice QCD and the hadron spectrum Jozef Dudek ODU/JLab
lattice QCD and the hadron spectrum Jozef Dudek ODU/JLab the light meson spectrum relatively simple models of hadrons: bound states of constituent quarks and antiquarks the quark model empirical meson
More informationarxiv: v1 [hep-ph] 13 Nov 2013
euniversityofmanchester November 14, 2013 arxiv:1311.3203v1 [hep-ph] 13 Nov 2013 Odd- and even-parity charmed mesons revisited in heavy hadron chiral perturbation theory Mohammad Alhakami 1 School of Physics
More informationarxiv: v1 [hep-ph] 25 Dec 2018
New charged resonance Z c (4100): the spectroscopic parameters and width arxiv:1812.10094v1 [hep-ph] 25 Dec 2018 H. Sundu, 1 S. S. Agaev, 2 and K. Azizi 3,4 1 Department of Physics, Kocaeli University,
More informationarxiv:hep-ph/ v1 5 Sep 2006
Masses of the η c (ns) and η b (ns) mesons arxiv:hep-ph/0609044v1 5 Sep 2006 A.M.Badalian 1, B.L.G.Bakker 2 1 Institute of Theoretical and Experimental Physics, Moscow, Russia 2 Department of Physics and
More informationPoS(FPCP 2010)017. Baryonic B Decays. Jing-Ge Shiu SLAC-PUB National Taiwan University, Taiwan
SLAC-PUB-15541 Baryonic B Decays National Taiwan University, Taiwan E-mail: physjg@hep1.phys.ntu.edu.tw We present a summary of the recent studies on the baryonic B decays performed by the BaBar and Belle
More informationarxiv: v1 [hep-ph] 28 Jan 2019
Charmonium excitation functions in pa collisions arxiv:1901.09910v1 [hep-ph] 28 Jan 2019 Gy. Wolf, G. Balassa, P. Kovács, M. Zétényi, Wigner RCP, Budapest, 1525 POB 49, Hungary Su Houng Lee Department
More informationCharmSpectroscopy from B factories
CharmSpectroscopy from B factories (SLAC) Representing the BABAR Collaboration Charm 2010 Workshop Beijing October 23, 2010 Contact: benitezj@slac.stanford.edu Production of Charm Mesons at B-factories
More informationarxiv: v5 [hep-ph] 21 Dec 2018
Up- and down-quark masses from QCD sum rules C. A. Dominguez a, A. Mes a, and K. Schilcher a,b arxiv:1809.07042v5 [hep-ph] 21 Dec 2018 (a) Centre for Theoretical and Mathematical Physics and Department
More informationRecent V ub results from CLEO
Recent V ub results from CLEO Marina Artuso Representing the CLEO Collaboration Beauty 2005, Assisi, June 20-25, 2005 1 Quark Mixing Weak interaction couples weak eigenstates, not mass eigenstates: CKM
More informationMolecular States in QCD Sum Rules
Hidden Charm Tetraquark States & Molecular States in QCD Sum Rules Cong-Feng Qiao University of Chinese Academy of Sciences (UCAS) 2013.11.21 2nd workshop on the XYZ particles Outline 2 Part I: Exotic
More informationarxiv: v2 [hep-ph] 9 Sep 2011
Latest Developments in Heavy Meson Spectroscopy Fulvia De Fazio Istituto Nazionale di Fisica Nucleare, Sezione di Bari Via Orabona 4, I-7016 Bari, ITALY arxiv:1108.670v [hep-ph] 9 Sep 011 I discuss developments
More informationA comprehensive interpretation of the D sj states
A comprehensive interpretation of the D sj states Feng-Kun Guo Helmholtz-Institut für Strahlen- und Kernphysik, Universität Bonn Hadron 2011, München, June 13-17, 2011 Based on: F.-K.G., U.-G. Meißner,
More informationMass Components of Mesons from Lattice QCD
Mass Components of Mesons from Lattice QCD Ying Chen In collaborating with: Y.-B. Yang, M. Gong, K.-F. Liu, T. Draper, Z. Liu, J.-P. Ma, etc. Peking University, Nov. 28, 2013 Outline I. Motivation II.
More informationPoS(LATTICE 2015)261. Scalar and vector form factors of D πlν and D Klν decays with N f = Twisted fermions
Scalar and vector form factors of D πlν and D Klν decays with N f = + + Twisted fermions N. Carrasco (a), (a,b), V. Lubicz (a,b), E. Picca (a,b), L. Riggio (a), S. Simula (a), C. Tarantino (a,b) (a) INFN,
More informationMesons beyond the quark-antiquark picture: glueballs, hybrids, tetraquarks - part 1 - Francesco Giacosa
Mesons beyond the quark-antiquark picture: glueballs, hybrids, tetraquarks - part 1-55 Cracow School of Theoretical Physics 20 28/6/2015, Zakopane, Poland Outline The Lagrangian of QCD and its symmetries
More informationlattice QCD and the hadron spectrum Jozef Dudek ODU/JLab
lattice QCD and the hadron spectrum Jozef Dudek ODU/JLab a black box? QCD lattice QCD observables (scattering amplitudes?) in these lectures, hope to give you a look inside the box 2 these lectures how
More informationarxiv: v2 [hep-ph] 9 Feb 2011
A comparative study on B K l + l and B K (143)l + l decays in the Supersymmetric Models arxiv:92.773v2 [hep-ph] 9 Feb 211 V. Bashiry 1, M. Bayar 2, K. Azizi 3, 1 Engineering Faculty, Cyprus International
More informationCharm CP Violation and the electric dipole moment of the neutron
and the electric dipole moment of the neutron Thomas Mannel (with N. Uraltsev, arxiv:1202.6270 and arxiv:1205.0233) Theoretische Physik I Universität Siegen Seminar at TUM, 14.1.2013 Contents Introduction
More informationMuon as a Composition of Massless Preons: A Confinement Mechanism beyond the Standard Model
International Journal of Advanced Research in Physical Science (IJARPS) Volume 4, Issue 10, 2017, PP 7-11 ISSN No. (Online) 2349-7882 www.arcjournals.org Muon as a Composition of Massless Preons: A Confinement
More informationLatest developments in the Spectroscopy of Heavy Hadrons
Latest developments in the Spectroscopy of Heavy Hadrons Fulvia De Fazio INFN - Bari Question: recent discoveries in charm(onium) and bottom (onium) spectra might be exotic states? Collaborators: P. Colangelo,
More informationChiral expansion of the π 0 γγ decay width
arxiv:1109.1467v1 [hep-ph] 7 Sep 2011 Chiral expansion of the π 0 γγ decay width Bing An Li Department of Physics and Astronomy, University of Kentucky Lexington, KY 40506, USA Abstract A chiral field
More informationX(3872) D Dγ decays and the structure of X(3872)
Physics Letters B 650 (007 166 171 www.elsevier.com/locate/physletb X(387 D Dγ decays and the structure of X(387 P. Colangelo a,,f.defazio a,s.nicotri a,b a Istituto Nazionale di Fisica Nucleare, Sezione
More informationarxiv:hep-ph/ v1 5 May 1995
CERN-TH/95-107 hep-ph/9505238 May 1995 arxiv:hep-ph/9505238v1 5 May 1995 Uncertainties in the Determination of V cb Matthias Neubert Theory Division, CERN, CH-1211 Geneva 23, Switzerland Abstract I discuss
More informationMeasurement of D-meson production in p-pb collisions with the ALICE detector
Journal of Physics: Conference Series OPEN ACCESS Measurement of D-meson production in p-pb collisions with the ALICE detector Related content - he ALICE Collaboration - he ALICE Collaboration - he ALICE
More informationVirtuality Distributions and γγ π 0 Transition at Handbag Level
and γγ π Transition at Handbag Level A.V. Radyushkin form hard Physics Department, Old Dominion University & Theory Center, Jefferson Lab May 16, 214, QCD Evolution 214, Santa Fe Transverse Momentum form
More informationGell-Mann - Oakes - Renner relation in a magnetic field at finite temperature.
Gell-Mann - Oakes - Renner relation in a magnetic field at finite temperature. N.O. Agasian and I.A. Shushpanov Institute of Theoretical and Experimental Physics 117218 Moscow, Russia Abstract In the first
More informationA Dyson-Schwinger equation study of the baryon-photon interaction.
A Dyson-Schwinger equation study of the baryon-photon interaction. Diana Nicmorus in collaboration with G. Eichmann A. Krassnigg R. Alkofer Jefferson Laboratory, March 24, 2010 What is the nucleon made
More informationPoS(EPS-HEP2015)565. Study of the radiative tau decays τ γlνν with the BABAR detector. Roger Barlow
Study of the radiative tau decays τ γlνν with the BABAR detector University of Huddersfield (GB) E-mail: roger.barlow@cern.ch We present measurements of the branching fraction for the radiative τ leptonic
More informationarxiv:hep-ph/ v6 4 Nov 1999
QCD vacuum tensor susceptibility and properties of transversely polarized mesons arxiv:hep-ph/990887v6 4 Nov 999 A. P. Bakulev and S. V. Mikhailov Bogoliubov Theoretical Laboratory, Joint Institute for
More informationPUZZLING b QUARK DECAYS: HOW TO ACCOUNT FOR THE CHARM MASS
Vol. 36 005 ACTA PHYSICA POLONICA B No 11 PUZZLING b QUARK DECAYS: HOW TO ACCOUNT FOR THE CHARM MASS Andrzej Czarnecki, Alexey Pak, Maciej Ślusarczyk Department of Physics, University of Alberta Edmonton,
More informationRe-study of Nucleon Pole Contribution in J/ψ N Nπ Decay
Commun. Theor. Phys. Beijing, China 46 26 pp. 57 53 c International Academic Publishers Vol. 46, No. 3, September 5, 26 Re-study of Nucleon Pole Contribution in J/ψ N Nπ Decay ZONG Yuan-Yuan,,2 SHEN Peng-Nian,,3,4
More informationUnderstanding the penguin amplitude in B φk decays
Understanding the penguin amplitude in B φk decays S. Mishima Department of hysics, Nagoya University, Nagoya 464-86, Japan (July, 1) DNU-1-15 We calculate the branching ratios for pure penguin decay modes,
More informationZ c (3900) AS A D D MOLECULE FROM POLE COUNTING RULE
Z c (3900) AS A MOLECULE FROM POLE COUNTING RULE Yu-fei Wang in collaboration with Qin-Rong Gong, Zhi-Hui Guo, Ce Meng, Guang-Yi Tang and Han-Qing Zheng School of Physics, Peking University 2016/11/1 Yu-fei
More informationBethe Salpeter studies of mesons beyond rainbow-ladder Complutense Unviversity of Madrid
Bethe Salpeter studies of mesons beyond rainbow-ladder Complutense Unviversity of Madrid Richard Williams C. S. Fischer and RW, Phys. Rev. D 78 2008 074006, [arxiv:0808.3372] C. S. Fischer and RW, Phys.
More informationMass Spectrum and Decay Constants of Conventional Mesons within an Infrared Confinement Model
Mass Spectru and Decay Constants of Conventional Mesons within an Infrared Confineent Model Gurjav Ganbold (BLTP, JINR; IPT MAS (Mongolia)) in collaboration with: T. Gutsche (Tuebingen) M. A. Ivanov (Dubna)
More informationSUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK
SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK School of Mathematics, Trinity College, Dublin 2, Ireland E-mail: donaldg@tcd.ie Christine Davies SUPA, School of Physics
More informationProduction cross sections of strange and charmed baryons at Belle
Production cross sections of strange and charmed baryons at Belle Gifu University E-mail: sumihama@rcnp.osaka-u.ac.jp Production cross sections of strange and charmed baryons in the e + e annihilation
More informationarxiv: v1 [hep-ph] 31 Jan 2018
Noname manuscript No. (will be inserted by the editor) Polarization and dilepton angular distribution in pion-nucleon collisions Miklós Zétényi Enrico Speranza Bengt Friman Received: date / Accepted: date
More informationarxiv: v1 [hep-lat] 7 Oct 2007
Charm and bottom heavy baryon mass spectrum from lattice QCD with 2+1 flavors arxiv:0710.1422v1 [hep-lat] 7 Oct 2007 and Steven Gottlieb Department of Physics, Indiana University, Bloomington, Indiana
More informationarxiv: v1 [hep-ex] 3 Nov 2014
Search for exotic charmonium states arxiv:1411.0720v1 [hep-ex] 3 Nov 2014 representing the BABAR and the Belle Collaborations. Forschungszentrum Jülich, 52428 Jülich, Germany E-mail: e.prencipe@fz-juelich.de
More informationCharming penguin and direct CP-violation in charmless B decays
Charming penguin and direct CP-violation in charmless B decays T. N. Pham Centre de Physique Théorique, Centre National de la Recherche Scientifique, UMR 7644, Ecole Polytechnique, 91128 Palaiseau Cedex,
More informationNon-local 1/m b corrections to B X s γ
Non-local 1/m b corrections to B X s γ Michael Benzke TU München September 16, 2010 In collaboration with S. J. Lee, M. Neubert, G. Paz Michael Benzke (JGU) Non-local 1/m b corrections to B X s γ TU München
More informationGian Gopal Particle Attributes Quantum Numbers 1
Particle Attributes Quantum Numbers Intro Lecture Quantum numbers (Quantised Attributes subject to conservation laws and hence related to Symmetries) listed NOT explained. Now we cover Electric Charge
More informationPoS(Confinement X)133
Endpoint Logarithms in e + e J/ψ + η c Geoffrey T. Bodwin HEP Division, Argonne National Laboratory E-mail: gtb@hep.anl.gov Department of Physics, Korea University E-mail: neville@korea.ac.kr Jungil Lee
More informationarxiv:hep-ph/ v1 23 Jul 1996
QCD Sum Rule Calculation for the Tensor Charge of the Nucleon Hanxin He 1,2,3 and Xiangdong Ji 1,2 1 Center for Theoretical Physics, arxiv:hep-ph/9607408v1 23 Jul 1996 Laboratory for Nuclear Science and
More informationPrediction for several narrow N* and Λ* * resonances with hidden charm around 4 GeV
Prediction for several narrow N* and Λ* * resonances with hidden charm around 4 GeV Jiajun Wu R. Molina E. Oset B. S. Zou Outline Introduction Theory for the new bound states Width and Coupling constant
More informationUnitarity, Dispersion Relations, Cutkosky s Cutting Rules
Unitarity, Dispersion Relations, Cutkosky s Cutting Rules 04.06.0 For more information about unitarity, dispersion relations, and Cutkosky s cutting rules, consult Peskin& Schröder, or rather Le Bellac.
More information