Bottomonia & charmonia at B-factories
|
|
- Bryan O’Brien’
- 5 years ago
- Views:
Transcription
1 Bottomonia & charmonia at B-factories Pavel Krokovny Budker Institute of Nuclear Physics, Novosibirsk, Russia Introduction Bottomonium states Z b (10610) and Z b (10650) Charmonium states Study of X, Y, Z states Evidence for ψ 2 Summary Moriond QCD 2013
2 Introduction ϒ(4S): 433 fb-1 ϒ(3S): 30 fb -1 ϒ(2S): 14 fb -1 ϒ(5S): 121 fb -1 ϒ(4S): 703 fb -1 Heavy Quarkonia are ideal tool for testing QCD 2
3 Discovery of Z b In analysis of ϒ(5S) h b (mp)π + π and ϒ(5S) ϒ(nS)π + π h b (1P) yield / 10MeV M(h b π), GeV/c 2 h b (1P) yield / 10MeV M(h b π), GeV/c 2 fit M miss (π + π ) in M(h b π) bins PRL 108, (2012) 3
4 Summary of Z b parameters Average over 5 channels M 1 = ±2.0 MeV Γ 1 = 18.4±2.4 MeV M(BB*)= ± 0.4 MeV M 2 = ±1.5 MeV Γ 2 = 11.5 ± 2.2 MeV M(B*B*)= ± 0.8 MeV 4
5 Z b angular analysis Zb (10610) Belle PRELIMINARY Zb (10650) Angle between prompt pion and beam axis ϒ μ + μ helicity angle Angle between planes formed by (π + π ) and (ϒ, beam axes) Confirms J P =1 + hypothesis 6D amplitude analysis of decays ϒ(5S) ϒ(nS)π + π 5
6 ϒ(5S) B * B (*) π: Selection Masses of Z b (10610) and Z b (10650) are close to BB* and B*B* threshold. Search for Y(5S) Z b π decay with Z b B ( * ) B*; reconstruct only one B and prompt pion Data 2 body ϒ(5S) decays Data (B signal) B*B* BB* BB Data (B side bands) Effective B fraction: Br[B f] = 1.4 x 10 3 Charged B: D 0 [Kπ,Kπππ]π, J/ψ[μμ] K Neutral B: D + [Kππ]π, J/ψ[μμ] K* 0, D* + [Kπ,Kππ 0,Kπππ]π 3 body ϒ(5S) >B(*)B(*)π decays & ISR to ϒ(4S): P(B)<0.9 GeV/c Belle PRELIMINARY 6
7 ϒ(5S) B * B (*) π: Fit MC: B*Bπ Recoil mass to Bπ combinations Belle PRELIMINARY BB*π B*B*π MC: B*B*π (shifted by 45MeV) Fit yields: N(BBπ) = 0.3 ± 14 N(BB*π) = 184 ± 19 (9.3σ) Red histogram: right charge combination Bπ; Hatched histogram: wrong charge combination; The curve show the fit to the data. arxiv: N(B*B*π) = 82 ± 11 (5.7σ) 7
8 ϒ(5S) B * B (*) π: Search for Z b BB*π Z b (10610) B*B*π Z b (10650) 8σ Z b (10610) + Z b (10650) PhSp Z b (10610)+ PhSp Z b (10610) + Z b (10650) + PhSp Points represent the data. Curves show the fit with various models. Hatched histogram is the background contribution. Belle PRELIMINARY 6.8σ Z b (10650) alone PhSp Z b (10650)+ PhSp arxiv: B*B*π candidates are well described by Z b (10650) only contribution. BB*π can be described by two models: Z b (10610) + Z b (10650); Z b (10610) + non-resonant amplitude. 8
9 Z b branching fractions ϒ(5S) branching fractions: BBπ < 0.60% (90%CL) BB*π = 4.25 ± 0.44 ± 0.69% B*B*π = 2.12 ± 0.29 ± 0.36% Assuming Z b decaying to ϒ(nS)π, h b (mp)π and B(*)B*only: arxiv: Belle PRELIMINARY B(*)B* is the dominant mode of Z b decays 9
10 ϒ(5S) ϒ(nS)π 0 π 0 arxiv: ϒ(1,2,3S) μ + μ, e + e, ϒ(2S) ϒ(1S)π + π μ + μ π 0 π 0 e + e π 0 π 0 μ + μ π + π π 0 π 0 ϒ(1S) ϒ(2S) ϒ(3S) ϒ(1S) ϒ(2S) ϒ(2S) reflection BF[ϒ(5S) ϒ(1S)π 0 π 0 ] = (2.25±0.11±0.20) 10 3 BF[ϒ(5S) ϒ(2S)π 0 π 0 ] = (3.79±0.24±0.49) 10 3 Belle PRELIMINARY Consistent with ½ of Y(nS)π + π 10
11 ϒ(2S)π 0 π 0 Dalitz analysis arxiv: with Z b 0 w/o Z b 0 Belle PRELIMINARY Z b0 resonant structure is observed in ϒ(2S)π 0 π 0 Statistical significance of Z b0 (10610) signal is 5.3σ (4.9σ with systematics) Z b0 (10650) signal is not significant (~2σ), not contradicting with its existence Z b0 (10610) mass from the fit M=10609 ± 8 ± 6 MeV/c 2 M(Z b+ )=10607±2 MeV/c 2 11
12 ϒ(1S)π 0 π 0 Dalitz analysis Dalitz analysis with Z b 0 w/o Z b 0 Belle PRELIMINARY Signals of both Z b0 are not significant. Data is not contradicting with their existence. arxiv:
13 Update of X(3872) J/ψπ + π Observed 10 years ago by Belle in B J/ψπ + π K PRL 91, (2003) Update using BB PRD 84, (2011) M(3872)= ± 0.27 ± 0.19 MeV/c 2 ; Γ(3872)<1.2 90% CL Mass difference of X(3872) from B + and B 0 : ΔM = ± 0.97 ± 0.19 MeV/c 2 13
14 Search for charged X Charged partner can exist if X(3872) is exotic. Search for X(3872) + in J/ψρ + B 0 K - ρ + J/ψ B + K 0 ρ + J/ψ B(B 0 X + K - )xb(x + J/ψρ + )< B(B + X + K 0 )xb(x + J/ψρ + )< PRD 84, (2011) 14
15 Search for C-odd partner of X(3872) ψ no X(3872)? Μ(χ c1 γ) 15
16 Evidence for ψ 2 χ c1 γ ψ 2 χ c1 γ was predicted, Γ(ψ 2 χ c1 γ)=260 KeV Godfrey & Isgur, PRD 21, 189 (1985); Eichten, Lane & Quigg, PRL (2002) & PRD 69, (2004) Β ψ K, ψ χ c1 γ Belle PRELIMINARY Β ψ 2 K, ψ 2 χ c1 γ First ψ 2 evidence ψ 2 significance is 4.2σ including systematics Γ(ψ 2 ) = 4 ± 6 MeV from the fit 16
17 e + e J/ψπ + π and ψ(2s)π + π by ISR ψπ + π ψ(2s)π + π PRD (2012) Y(4260): M = 4245 ± 5 ± 4 MeV/c 2 Γ = 114 ± 15 ± 7 MeV arxiv: Y(4360): M = 4340 ± 16 ± 9 MeV/c 2 Γ = 94 ± 32 ± 13 MeV Y(4660): M = 4669 ± 21 ± 3 MeV/c 2 Γ = 104 ± 48 ± 10 MeV Consistent with previous Belle results 17
18 e + e - J/ψη by ISR First time ψ(4040) and ψ(4160) have been observed in final states not involving charm meson pair. No signal from Y(4260/4360/4660). arxiv:
19 X(3915) J/ψω in two-photons collisions 7.6σ significance M = ± 2.2 ± 1.6 MeV/c 2 Γ = 13 ± 6 ± 3 MeV J P =0 + Consistent with older studies by BaBar & Belle PRD (2012) 19
20 Summary New results on bottomonium states come from B factories: Observation of Z b+ (10610) and Z b+ (10650) decays to BB * and B * B * main decay mode, supporting molecular hypothesis 6D amplitude analysis of ϒ(5S) ϒ(nS)π + π - confirmed J P =1 + for both Z b Evidence for neutral partner Z b (10610) in analysis of ϒ(5S) ϒ(2S)π 0 π 0 consistent with expectation from isospin and on charmonium states: No charged or C-odd partners of X(3872) have been found A first evidence of ψ 2 is obtained in B Kχ c1 γ decay Y(4260/4360/4660) are seen in ψ(1,2s)π + π, however no evidence in J/ψη 20
21 Back up 21
22 Comparison with ϒ(nS)π + π - Fit to the Y1Sπ + π - data Fit to the Y2Sπ + π - data Background subtracted YnSπ 0 π 0 data 22
23 Heavy quark structure in Z b Bondar, Garmash, Milstein, Mizuk, Voloshin Phys.Rev.D Wave func. at large distance B(*)B* Z Z ' b b = = Explains bb bb 1 1 Qq Qq bb Why h b ππ is unsuppressed relative to ϒππ bb 0 0 Qq Qq Relative phase ~0 for ϒ and ~180 0 for h b Production rates of Z b (10610) and Z b (10650) are similar Widths Predicts Existence of other similar states Other Possible Explanations Coupled channel resonances (I.V.Danilkin et al, arxiv: ) Cusp (D.Bugg Europhys.Lett.96 (2011),arXiv: ) Tetraquark (M.Karliner, H.Lipkin, arxiv: ) 23
24 Observation of ϒ(5S) h b (np)π + π PRL 108, (2012) spin-flip no spin-flip = for h b (1P) for h b (2P) Process with spin flip of heavy quark is not suppressed: mechanism of ϒ(5S) h b (np) π + π - decay violates Heavy Quark Spin Symmetry 24
25 Search for decay h b η b γ Decay chain + ϒ(5S) Z b π - h b (np) π + η b (ms) γ reconstruct Use missing mass to identify signals MC simulation M(η b ) true π + π - fake γ fake π + π - true γ true π + π - true γ ΔM miss (π + π - γ) M miss (π + π - γ) M miss (π + π - ) + M[h b ] Approach: fit M miss (π + π - ) spectra in ΔM miss (π + π - γ) bins M(h b ) h b (1P) yield vs. ΔM miss (π + π - γ) search for η b (1S) signal 25
26 Observation of h b η b (1S) γ h b (1P) η b (1S) 15σ M [η b (1S)] = ± 1.5 ± 1.8 MeV/c Γ[η b (1S)] = MeV potential models : Γ = 5 20 MeV Β[h b (1P) η b (1S)γ] = (49.2 ± ) % -3.3 Godfrey & Rosner : BF = 41% h b (2P) η b (1S) ΔM HF [η b (1S)] = 57.9 ± 2.3 MeV/c 2 9σ PRL 109, (2012) 26
27 Evidence of h b η b (2S) γ h b (2P) η b (2S) 4.2σ M [η b (2S)] = ± 3.5 MeV/c Γ[η b (2S)] = MeV Β[h b (2P) η b (2S)γ] = (47.5 ± ) % ΔM HF [η b (2S)] =.3 MeV/c ΔM HF = 23.5 ±4.7 MeV Lattice Meinel PRD82,114502(2010) PRL 109, (2012) 27
28 ϒ(5S) ϒ(1D)π + π 5 3 S 1 π + π First and only one L=2 state found in radiative decay chain CLEO(2004): ϒ(3S) χ b (2P)γ ϒ(1D)γγ χ b (1P)γγγ ϒ(1S)γγγγ Belle measured a new production chain ϒ(5S) ϒ(1D)π + π χ b (1P)γπ + π ϒ(1S)γγπ + π CLEO M = ±0.6±1.6 MeV B[ϒ(3S) ϒ(1D)γγ ϒ(1S)γγγγ] = (2.5±0.5±0.5) 10 5 Belle preliminary B[ϒ(5S) ϒ(1D)π + π ϒ(1S)γγπ + π ] = (2.0±0.4±0.3) 10 4 Y(2S) Y(1D) Y(2S)[Yπ + π ]η[γγ] reflection statistical significance 9s
29 ϒ(2S) ϒ(1S)η η γγ η π + π π 0 Phys.Rev.D Β[ϒ(2S) ϒ(1S)η]=(3.41 ± 0.37 ± 0.35) 10-4 Β[ϒ(2S) ϒ(1S)π 0 ]< Β[ϒ(2S) ϒ(1S)η]=(2.39 ± 0.31 ± 0.14) 10 PRD 87, (R) (2013) -4 Β[ϒ(3S) ϒ(1S)η]<
30 Observation of ϒ(5S) ϒ(1,2S)η MM(π + π π 0 ) Three modes: ϒ(1,2S)[μ + μ ] η[π + π π 0 ] ϒ(2S)[ϒ(1S)π + π ] η[γγ] ϒ(1S)[μ + μ ] η [ηπ + π ] M(γγ) B[ϒ(5S) ϒ(1S)η] = (7.3±1.6±0.8) 10-4 preliminary B[ϒ(5S) ϒ(2S)η] = (38 ± 4 ± 5) 10-4 B[ϒ(5S) ϒ(1S)η ] <
Study of Transitions and Decays of Bottomonia at Belle
1 Study of Transitions and Decays of Bottomonia at Belle Saurabh Sandilya University of Cincinnati (On behalf of the Belle Collaboration) Outline Introduction (Bottomonia, KEKB & Belle detector) Transitions
More informationHeavy hadron spectroscopy at Belle. Kenkichi Miyabayashi (Nara Women s University) Hadrons and Hadron Interactions in QCD Mar.
Heavy hadron spectroscopy at Belle Kenkichi Miyabayashi (Nara Women s University) Hadrons and Hadron Interactions in QCD 2015 2015 Mar. 2 nd 1 Outline Advantage with heavy flavors in hadron spectroscopy
More informationRecent Results from CLEO
Ryan Mitchell Indiana University MENU June 1, 2010 1 Overview of the CLEO Experiment CESR at Cornell University: symmetric e + e collisions at bottomonium (III) and charmonium (c) energies Inner Tracking:
More informationExotic hadronic states XYZ
Exotic hadronic states XYZ Yu-Ping Guo (KPH, Mainz University) International School of Nuclear Physics 37 th Course Probing Hadron Structure with lepton and Hadron Beams Erice-Sicily September 16-4, 15
More informationPopat Patel (McGill University) On behalf of the BaBar Collaboration The Lomonosov XIV Conference Moscow (2009/08/24)
Popat Patel (McGill University) On behalf of the BaBar Collaboration The Lomonosov XIV Conference Moscow (2009/08/24) Outline Brief overview: BaBar Data Bottomonium Spectra Report on selected BaBar analyses
More informationResults on Charmonium-like States at BaBar
Results on Charmonium-like States at BaBar INFN Ferrara Representing the BaBar Collaboration Outline Introduction and Overview Search for the Z 1 (4050) + and Z 2 (4250) + states in B 0 χ c1 K - π + and
More informationBottomonium results at Belle
Bottomonium results at Belle A.Kuzmin BINP For Belle Collaboration Hadron 2011, June 14, 2011 1 PRL100,112001(2008) Puzzles of ϒ(5S) decays At 21.7 fb 1 ϒ (5S) >ϒ(nS) π+π two orders of magnitude larger
More informationBaBar s Contributions. Veronique Ziegler Jefferson Lab
BaBar s Contributions Veronique Ziegler Jefferson Lab BaBar last day of running charm light quark heavy quark 2 3 _ Before 2003, 4 cs mesons known 2 S-wave mesons, D s (J P = 0 ) and D s (1 ) 2 P-wave
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 informationNew bottomonium(-like) resonances spectroscopy and decays at Belle
EP J Web of Conferences 70, 00034 (2014) DOI: 10.1051/ ep jconf/ 20147000034 C Owned by the authors, published by EDP Sciences, 2014 New bottomonium(-like) resonances spectroscopy and decays at Belle Umberto
More informationBottomonium results. K.Trabelsi kek.jp
Bottomonium results K.Trabelsi karim.trabelsi @ kek.jp KEKB collider and Belle in a nutshell Belle is an international collaboration 15 countries, 64 institutes 365 members Nature of 5S Anomalous production
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 informationX states (X(3872),...)
X states (X(3872),...) Chengping Shen Beihang University, Beijing International Workshop on QCD Exotics 2015 8-12 June, 2015, Shandong University, Jinan, China Hadrons: normal & exotic Quark model: hadrons
More informationNouveaux Etats mésoniques découverts avec les usines
Nouveaux Etats mésoniques découverts avec les usines à B Réunion du GDR Physique subatomique et calculs sur réseau LAL, Orsay 15-17 juin 2007 Denis Bernard LLR Ecole Polytechnique France Denis Bernard
More informationSearch for exotic charmonium states
Search for exotic charmonium states on behalf of the BABAR and BELLE Collaborations August 25th, 2014 (*), Forschungszentrum Jülich (Germany) (Germany) 1 (*) Previously addressed at JGU University of Mainz
More informationon behalf of the Belle Collaboration
Recent Results on ϒ(5S) from Belle Alexey Garmash, BINP Novosibirsk on behalf of the Belle Collaboration HEP-MAD 2011, Antananarivo, 25-31 August KEKB & Belle KEKB an asymmetric energy 3.5GeV e+ vs. 8.0GeV
More informationRecent Results from the BESIII Experiment. Ryan Mitchell Indiana University Miami 2011 December 17, 2011
Recent Results from the BESIII Experiment Ryan Mitchell Indiana University Miami 11 December 17, 11 1 The primary goal of BESIII: Use e + e collisions to produce charmonium states, then use their properties
More informationA Discovery of the tetraquark by the Belle Experiment
A Discovery of the tetraquark by the Belle Experiment Sookyung Choi (For the Belle Collabora5on) Gyeongsang Na5onal University JAGIELLONIAN Symposium, Krakow, Poland, June 9 2015 1 Outline X(3872) Charged
More informationRecent results for exo.c states from Belle
Recent results for exo.c states from Belle Introduc6on Belle & KEKB X(3872) X(3940), Y(3940), Z(3930) Y(4140) Y b (10580) Summary Tagir AUSHEV For the Belle Collabora6on (EPFL, Lausanne) Montpellier, 4
More informationProspects for Hadron Physics. Roberto Mussa INFN Torino
Prospects for Hadron Physics at Roberto Mussa INFN Torino Bormio 29/1/2014 1 Outline Bottomonium and Charmonium spectra Charmed+Beauty Mesons+Baryons Charged Bottomonia High Energy Scans at ~11 GeV ISR
More informationStudies of charmonium production in e + e - annihilation and B decays at BaBar
Studies of charmonium production in e + e - annihilation and B decays at BaBar I. Garzia, INFN Sezione di Ferrara On behalf of the BaBar Collaboration XVI International Conference on Hadron Spectroscopy
More informationarxiv: v2 [hep-ex] 16 Nov 2007
Proceedings of the CHARM 2007 Workshop, Ithaca, NY, August 5-8, 2007 1 Recent studies of Charmonium Decays at CLEO H. Muramatsu Department of Physics and Astronomy, University of Rochester, Rochester,
More informationHeavy Quark Spectroscopy at LHCb
Heavy Quark Spectroscopy at LHCb Tomasz Skwarnicki On behalf of the LHCb Collaboration Moriond QCD, LaThuile, 2015 Heavy Quark Spectroscopy at LHCb; Moriond QCD 2015 T.Skwarnicki 2 Outline of the talk
More informationMESON SPECTROSCOPY RESULTS
MESON SPECTROSCOPY RESULTS J. Rosner, at Lattice Meets Experiment, Fermilab, April 26 27, 2010 Some results which can be compared to lattice predictions: 1 1 P 1 (c c) h c mass, production, decays (CLEO,
More informationHot Topic from Belle : Recent results on quarkonia
Hot Topic from Belle : Recent results on quarkonia Jolanta Brodzicka (Kraków) on behalf of Belle BEACH 21 June 21, Perugia Outline Puzzling nature of X(3872) X(3872), χ c2 J/ψγ X(3872) ψ γ Summary Discovery
More informationCharmonium Spectroscopy at BESIII
Charmonium Spectroscopy at BESIII Hu Liu (on behalf of the BESIII Collaboration) Institute of High Energy Physics, Beijing, China 8 th QWG @GSI 05-10-2011 Slide 1 Outline Brief Introduction of BEPCII &
More informationCharmonium & charmoniumlike exotics
Charmonium & charmoniumlike exotics Changzheng Yuan Institute of High Energy Physics, Beijing Hirschegg 2014 Jan. 12 18, 2014 Hadrons:normal & exotic Hadrons are composed from 2 (meson) quarks or 3 (baryon)
More informationCLEO Results From Υ Decays
CLEO Results From Υ Decays V. Credé 1 2 1 Cornell University, Ithaca, NY 2 now at Florida State University Tallahassee, FL Hadron 05 Outline 1 Introduction The Υ System CLEO III Detector CLEO III Υ Data
More informationquarkonium XiaoLong Wang Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) Institute of Modern Physics, Fudan University
Exotic states from π + π /π ± /η + quarkonium XiaoLong Wang Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) Institute of Modern Physics, Fudan University Belle&Belle II Collaborations
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 informationCharmonium and -like states from Belle
Charmonium and -like states from Belle V. Bhardwaj (for the Belle Collaboration) Physics Department, Nara Women s University, Kitauoya Nishi-machi, Nara, Japan -3 5. Large data collected at e + e asymmetric
More informationTesi di Laurea Specialistica
Search for heavy particles decaying into ψ(2s)π + π produced in e + e collisions with Initial State Radiation. Tesi di Laurea Specialistica Candidato: Stefano Zambito Relatore: Prof. Fabrizio Bianchi1
More informationCharmonium(-like) and Bottomonium(-like) States Results from Belle and BaBar
Charmonium(-like) and Bottomonium(-like) States Results from Belle and BaBar Mostly X(3872). Jens Sören Lange Justus-Liebig-Universität Gießen MENU10 12 th International Conference on Meson-Nucleon Physics
More informationCHARM MESON SPECTROSCOPY AT
CHARM MESON SPECTROSCOPY AT Amina ZGHICHE CNRS-IN2P3, LAPP Annecy On behalf of the BaBar Collaboration 1 A. Zghiche CHARM 2007 August 8 th 2007 2 A. Zghiche CHARM 2007 August 8 th 2007 BABAR B AND c-factory
More informationQuarkonium Production and Decay
Quarkonium Production and Decay (Selected Topics in QQ ) Richard S. Galik Cornell University Physics in Collision 2004 Boston University 27-29 June 2004 Why Study Quarkonia (bound states of qq )? the QCD
More informationHadronic (ns) decays. VI International Workshop on Heavy Quarkonia, Elisabetta Prencipe On behalf of the BaBar collaboration
VI International Workshop on Heavy Quarkonia, 2008 Hadronic (ns) decays at BABAR Nara, 2 th 5 th December 2008 Elisabetta Prencipe On behalf of the BaBar collaboration Introduction Studying Quarkonia studying
More informationChengping Shen: Beihang University, Beijing XVI International Conference on Hadron Spectroscopy (Hadron 2015) September, 2015, JLab, USA
Chengping Shen: Beihang University, Beijing XVI International Conference on Hadron Spectroscopy (Hadron 2015) 13-18 September, 2015, JLab, USA Hadrons: normal & exotic Quark model: hadrons are composed
More informationMeson Spectroscopy Methods, Measurements & Machines
Meson Spectroscopy Methods, Measurements & Machines Aug. 31 Sep. 4, Groningen Klaus Götzen GSI Darmstadt Mesons are they really interesting? Look at the American Physical Society Highlights 2013! [http://physics.aps.org/articles/v6/139]...
More informationNarrow States Near Thresholds: X(3872)
QWG3 IHEP Beijing, China Oct. 12-15, 2004 Eichten 1/36 Narrow States Near Thresholds: X(3872) Estia Eichten X(3872) at Threshold Charmonium Missing States K. Lane, C. Quigg Including Light Quark Effects
More informationVincent Poireau CNRS-IN2P3, LAPP Annecy, Université de Savoie, France On behalf of the BaBar collaboration
CNRS-IN2P3, LAPP Annecy, Université de Savoie, France On behalf of the BaBar collaboration Moriond QCD, 24 March 2014 1 OUTLINE 9 GeV e - 3.1 GeV e + Recorded 531 fb -1 in total (4S): 433 fb -1 (3S): 30
More informationKai Zhu on behalf of BESIII collaboration Institute of High Energy Physics, Beijing March, Moriond QCD 2015
Kai Zhu on behalf of BESIII collaboration Institute of High Energy Physics, Beijing 21-28 March, Moriond QCD 2015 Introduction Charmonium & Exotics states BESIII experiment and BEPCII Exotic charmonium-like
More informationBottomonium Results from CLEO
Bottomonium Results from CLEO Brian Heltsley on behalf of the CLEO Collaboration 1 Outline Common decays Dipion matrix elements in ϒ(mS) ππϒ(ns) χ bj Open charm Rare decays ϒ(mS) η/π 0 ϒ(nS) Deuteron production
More informationY(nS,n 4) Decays at B-Factories
Y(nS,n 4) Decays at B-Factories Roberto Mussa INFN Torino on behalf of: 1 Physics in Collisions, Kobe, 31/8/2009 Outline Y(2,3S) transitions to parabottomonia Y(1S), b (1,2P) inclusive decays to open charm
More informationSearches for exotic mesons
Searches for exotic mesons Stephen L. Olsen University of Hawai i Multi-quark molecules u c c u qq-gluon hybrids c c baryonium u u d d u u DOE site visit Aug 22, 2005 test of QCD: running αs Probe QCD
More informationStudies of D ( ) Production in B Decays and e + e c c Events
SLAC-PUB-11831 Studies of D ( ) Production in B Decays and e + e c c Events V. Poireau (on behalf of the BaBar Collaboration) Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux, France Abstract.
More informationResults from B-Physics (LHCb, BELLE)
Prospects for Charged Higgs Uppsala, Sweden, 16-18 September 2014. Results from B-Physics (LHCb, BELLE) Valery Pugatch Kiev Institute for Nuclear Research, NASU On behalf of the LHCb Collaboration 1 OUTLINE
More informationSELECTED SPECTROSCOPY RESULTS FROM THE BABAR EXPERIMENT
1 SELECTED SPECTROSCOPY RESULTS FROM THE BABAR EXPERIMENT Veronique Ziegler J-Lab Theory Seminar, March 7, 2012 2 OUTLINE I. The BaBar Experiment II. Selected Baryon Spectroscopy Results III. Selected
More information* ) B s( * ) B s( - 2 -
- 1 - ϒ Λ B s( * ) B s( * ) ϒ B s( * ) Λ B s( * ) - 2 - ϒ(5S) Study at CLEO CLEO studies B s in both inclusive and exclusive modes. Data was taken with the CLEO III detector. Data set ϒ(5S) ϒ(4S) Continuum
More informationSEARCH FOR CP VIOLATION IN
BELLE SEARCH FOR CP VIOLATION IN RADIATIVE AND HADRONIC D DECAYS AT BELLE Tara Nanut on behalf of the Belle Collaboration The XIIIth International Conference on Heavy Quarks and Leptons 6 May 16 1 { Tara
More informationFirst Observation of the
First Observation of the Bottomonium Ground State b (1S) Peter Kim SLAC National Accelerator Laboratory (BaBar Collaboration) KEK Seminar Dec. 8, 2008 Discovery of the bottom quark E288 at Fermilab: p
More informationHadron Spectroscopy with a variety of flavors
Hadron Spectroscopy with a variety of flavors Toru Iijima Kobayashi-Maskawa Institute Nagoya University December 15, 2012 Quarks to Universe How quarks acquire their mass and form hadrons? Quest in low-energy
More informationISR physics at BABAR
SLAC-PUB-499 ISR physics at BABAR S.Serednyakov, Budker Institute of Nuclear Physics, Novosibirsk, Russia Abstract A method of measuring e+e- annihilation cross sections at low energy s < 5 GeV, using
More informationRecent XYZ results from Belle
Recent XYZ results from Belle Changzheng Yuan IHEP, Beijing Mini-workshop on XYZ, IHEP, Beijing May 11, 2015 The Belle experiment SCC RF(HER) Belle detector World record: L = 2.1 x 10 34 /cm 2 /sec ARES(LER)
More informatione + e hadrons in ISR and Two-photon reactions with BELLE and BABAR
e + e hadrons in ISR and Two-photon reactions with BELLE and BABAR Fabio Anulli INFN Sezione di Roma on behalf of the BABAR Collaboration Rencontres de Moriond QCD and High Energy Interactions 13 20 March,
More informationUpdates on X 3872 production at Belle. K.Trabelsi QWG6 Workshop Nara, Dec 2-5, 2008
Updates on X 387 production at Belle K.Trabelsi karim.trabelsi @kek.jp QWG6 Workshop Nara, Dec - 5, 8 B- factories produce lots of c c pairs J/, ', c, c1... +- --, 1,1 ++... -+ ++,1 Brs~1, ++... inclusive
More informationCharmonium Radiative Transitions
Charmonium Radiative Transitions Jielei Zhang Institute of High Energy of Physics (for the BESIII collaboration) QWG2016 1 What to measure What have done with old datasets 1.06 10 8 ψ(3686) 2009 What will
More informationRecent Results on J/ψ, ψ and ψ Decays from BESII
Recent Results on J/ψ, ψ and ψ Decays from BESII Xiaoyan SHEN (Representing BES Collaboration) Institute of High Energy Physics, Beijing shenxy@ihep.ac.cn Oct. 17 20, 2007, QWG5, DESY, Germany Outline
More informationCLEO Results on Quarkonium Transitions
CLEO Results on Quarkonium Transitions Brian Heltsley Cornell University QWG3 B Heltsley Oct 2004 1 Quarkonia Transitions ψ(2s) J/ψ + hadrons (NEW!) X J/ψ, π + π - J/ψ, π 0 π 0 J/ψ, η J/ψ, π 0 J/ψ (complete
More informationCLEO Charmonium Results
CLEO Charmonium Results Hanna Mahlke Cornell University Ithaca, NY Quarkonium Working Group Meeting 10/17-20/07 DESY, Hamburg The Landscape All states below DD threshold observed 1-- states known best,
More informationNew Charmonium Results from CLEO c
New Charmonium Results from CLEO c Helmut Vogel (for the CLEO Collaboration) Carnegie Mellon University CHARM09, Leimen, Germany One of the last CLEO c events (taken on 3 March 2008) e+e- Ds*+Ds- CLEO
More informationAntimo Palano INFN and University of Bari, Italy On behalf of the LHCb Collaboration
Hadron spectroscopy in LHCb Outline: The LHCb experiment. Antimo Palano INFN and University of Bari, Italy On behalf of the LHCb Collaboration The observation of pentaquark candidates Observation of possible
More informationCharmonium Transitions
Hans Kuipers & Maikel de Vries Student Seminar on Subatomic Physics October 14, 2009 Outline n 2S+1 L J J PC Aspects of charmonium Charmonium is a mesonic bound state of c c. Charmonium produced in e e
More informationHadron Spectroscopy at LHCb
Hadron Spectroscopy at LHCb R. Cardinale on behalf of the LHCb Collaboration University of Genova and INFN Genova Spectroscopy of resonances and QCD ECT workshop 8-12 February 2016 R. Cardinale ECT workshop
More informationResults on Charmonium(-like) and Bottomonium(-like) States from Belle and BaBar
SLAC-PUB-15575 Results on Charmonium(-like) and Bottomonium(-like) States from Belle and BaBar Jens Sören Lange, for the Belle Collaboration Justus-Liebig-Universität Gießen, II. Physikalisches Institut,
More informatione e with ISR and the Rb Scan at BaBar
e e with ISR and the Rb Scan at BaBar + + Francesco Renga Università di Roma La Sapienza & INFN Roma on behalf of the BaBar Collaboration 1 Introduction B Factories showed an exciting capability for improving
More informationRecent Results from BaBar
Recent Results from BaBar BEACH 2008 Conference Columbia, South Carolina David Norvil Brown University of Louisville Recent Results From BaBar Physics Reach B-physics CP Violation & Mixing, CKM matrix
More informationNew Physics search in penguin B-decays
New Physics search in penguin B-decays Sanjay Swain, SLAC on behalf of BABAR Collaboration 13 th -18 th Dec 2007 Miami 2007 Outline What is New Physics (NP)? b > (d, s) penguin decays Exclusive Semi-inclusive
More informationHeavy flavor meson(-like) spectroscopy at Belle/Belle II. Kenkichi Miyabayashi Nara Women s at Tokai 2015 Aug.
Heavy flavor meson(-like) spectroscopy at Belle/Belle II Kenkichi Miyabayashi Nara Women s University @Workshop at Tokai 2015 Aug. 6 th 1 Outline Lessons from Belle experience XYZ sensations Current status
More informationExotic hadrons at LHCb
Exotic hadrons at Anton Poluektov University of Warwick, UK Budker Institute of Nuclear Physics, Novosibirsk, Russia 6 December 16 On behalf of collaboration Anton Poluektov Exotic hadrons at HINT16, J-PARC,
More informationTETRAQUARKS AND PENTAQUARK(S)
TETRAQUARKS AND PENTAQUARK(S) J. Rosner - University of Chicago November 16, 2015 Work with Marek Karliner, Tel Aviv University LHCb: arxiv:1507.03414, PRL 115, 072001 (2015): Discovery of two new states
More informationRecent results on spectroscopy from
Recent results on spectroscopy from LIU Beijiang Institute of High Energy Physics, Beijing (for BESIII collaboration) XVI International Conference on Hadron Spectroscopy, Sept. 13-18, 2015, Newport News,
More informatione + e hadrons via ISR: light quarks spectroscopy
e + e hadrons via ISR: light quarks spectroscopy E. Solodov Budker INP, Novosibirsk, Russia (for BaBar collaboration) PhiPsi09, October 2009 Outline Short introduction Comparison with direct e + e Overview
More informationThe BES-III experiment
The BES-III experiment Igor Denysenko for the BES-III collaboration JINR Dubna on leave from BITP, Kiev Hadron Structure and QCD July 4-8, 2012, Gatchina, Russia BEPCII/BESIII at IHEP(Beijing) 2004: start
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 informationSearches for New Physics in quarkonium decays at BaBar/Belle
1 Searches for New Physics in quarkonium decays at BaBar/Belle Lucas Winstrom University of California Santa Cruz for the BaBar Collaboration Presented at QWG08 in Nara, Japan December 5, 2008 2 Outline
More informationLight Meson Decays at BESIII
Light Meson Decays at BESIII Liqing QIN (for the Collaboration ) Shandong University XVI International Conference on Hadron Spectroscopy Sep. 13-18, 2015, Newport News, VA OUTLINE n Introduction n Recent
More informationStudy of Bs J/ψη and Bs J/ψη' decays at LHCb
21st International Conference on Supersymmetry and Unification of Fundamental Interactions ICTP Trieste, Italy, 26 31 August 2013 Study of Bs J/ψη and Bs J/ψη' decays at LHCb D. Savrina (ITEP&SINP MSU)
More informationThe New Narrow D s States A minireview
The New Narrow D s States A minireview Frank Porter Caltech (From the BaBar Collaboration) Results from: BaBar (abstract 395, PRL 9 (23) 2421, A. Palano PIC) Belle (abstract 57, R. Chistov & K. Trabelsi
More informationHadron Spectroscopy at BESIII
Available online at www.sciencedirect.com Nuclear and Particle Physics Proceedings 73 75 (16 1949 1954 www.elsevier.com/locate/nppp Hadron Spectroscopy at BESIII Shuangshi FANG (for the BESIII collaboration
More informationJefferson Lab, May 23, 2007
e + e - Annihilations into Quasi-two-body Final States at 10.58 GeV Kai Yi, SLAC for the BaBar Collaboration Jefferson Lab, May 23, 2007 5/23/2007 Kai Yi, BaBar/SLAC 1 Outline Introduction First Observation
More informationCharmonium Spectroscopy and Decay at CLEO c
Charmonium Spectroscopy and Decay at CLEO c Helmut Vogel Carnegie Mellon University CLEO c at CESR (for the CLEO Collaboration) PHIPSI09, IHEP, Beijing, 13 Oct 2009 Acknowledgments and thanks to: Matt
More informationReview of Standard Tau Decays from B Factories
Review of Standard Tau Decays from B Factories Fabrizio Salvatore, RHUL Tau mass measurement Tau decays to strange particles: - Measurement of V us using τ s decays - τ KKπν τ, KKKν τ branching fractions
More informationSearches for Exotics in Upsilon Decays in BABAR
Searches for Exotics in Upsilon Decays in BABAR Yury Kolomensky UC Berkeley/LBNL For the BABAR Collaboration 14th Lomonosov Conference on Elementary Particle Physics August 24, 2009, Moscow Light Higgs
More informationHighlights from BESIII
Highlights from BESIII Yaqian Wang Johannes Gutenberg University Mainz, Germany 14th International Conference on B-Physics at Hadron Machines 8-12 th April, Bologna BEAUTY 2013 Highlights from BESIII 04/10/2013
More informationVV process. Liu Zhiqing ( 劉智青 ) IHEP, Beijing. On behalf of Belle Collaboration.
VV process Liu Zhiqing ( 劉智青 ) IHEP, Beijing On behalf of Belle Collaboration zqliu@ihep.ac.cn The 9th Chinese HFCPV meeting @ Hangzhou, 12th, Oct, 2011. Outline 1. Introduction. 2. Belle experiment. 3.
More informationDalitz Plot Analysis of Heavy Quark Mesons Decays (3).
Dalitz Plot Analysis of Heavy Quark Mesons Decays (3). Antimo Palano INFN and University of Bari Jefferson Lab Advanced Study Institute Extracting Physics From Precision Experiments: Techniques of Amplitude
More informationDiscovery searches for light new physics with BaBar
SLAC-PUB-1548 Discovery searches for light new physics with BaBar Neus Lopez-March BABAR Collaboration E-mail: neus.lopezmarch@epfl.ch The BABAR experiment collected large samples of events during the
More informationZahra Haddadi, KVI-CART (University of Groningen) for the BESIII collaboration 1 Sep EUNPC 2015, Groningen
Zahra Haddadi, KVI-CART (University of Groningen) for the BESIII collaboration 1 Sep. 2015 EUNPC 2015, Groningen Outline: Charmonium spectroscopy spin-singlet states puzzle BESIII & precision measurements
More informationSpectroscopy Results from COMPASS. Jan Friedrich. Physik-Department, TU München on behalf of the COMPASS collaboration
Spectroscopy Results from COMPASS Jan Friedrich Physik-Department, TU München on behalf of the COMPASS collaboration 11th European Research Conference on "Electromagnetic Interactions with Nucleons and
More informationSpectroscopy and Decay results from CDF
Quarkonium Spectroscopy and Decay results from CDF KIT Quarkonium Workshop December 3, 2008 Outline Tevatron and CDF Bc Mass Lifetime bc X(3872) Mass splitting and mass X page 2 Tevatron p s = 1.96 TeV
More informationRare Hadronic B decays at BaBar
Rare Hadronic B decays at BaBar Mirna van Hoek University of Colorado On behalf of the BaBar Collaboration 18 th International Workshop on Weak Interactions and Neutrinos January 21-26, 2002 Christchurch,
More informationReview of Light Hadron Spectra at BESIII
Review of Light Hadron Spectra at BESIII Daihui Wei (on behalf of BESIII Collaboration) Guangxi Normal University Moriond QCD and High Energy Interactions March 9th - March 16th 2013 1 OUTLINE Introduction
More informationRecent results from Belle
Recent results from Belle Chang-Zheng Yuan (IHEP, Beijing) (for the Belle collaboration) Hadron 15, Newport News Sept. 13-18, 2015 1 The Belle experiment SCC RF(HER) Belle detector World record: L = 2.1
More informationHeavy Quark Baryons and Exotica
Heavy Quark Baryons and Exotica Sebastian Neubert Heidelberg University XVII INTERNATIONAL CONFERENCE ON HADRON SPECTROSCOPY AND STRUCTURE September 25th-29th 2017, Salamanca Sebastian Neubert (Uni Heidelberg)
More informationPuzzles in the Charmonium Sector of QCD
Puzzles in the Charmonium Sector of QCD Eric Braaten Ohio State University support DOE Division of High Energy Physics 1 Lots of pieces Y(4140) X(3940) Y(3940) Y(4660) Y(4360) Y(4260) Y(4008) X(4160) X(3872)
More informationBABAR Results on Hadronic Cross Sections with Initial State Radiation (ISR)
1 International Workshop on e+e- Collisions from Phi to Psi (PHIPSI08) Laboratori Nazionali di Frascati April 7-10, 2008 Results on Hadronic Cross Sections with Initial State Radiation (ISR) Johannes Gutenberg-Universität
More informationRecent Results on Spectroscopy from COMPASS
Recent Results on Spectroscopy from COMPASS Boris Grube Physik-Department E18 Technische Universität München, Garching, Germany Hadron 15 16. September 15, Newport News, VA E COMPASS 1 8 The COMPASS Experiment
More informationPentaquarks and Exotic Charm Spectroscopy at LHCb
Pentaquarks and Exotic Charm Spectroscopy at Mike Williams on behalf of the Collaboration Department of Physics & Laboratory for Nuclear Science Massachusetts Institute of Technology EINN, Paphos, Cyprus
More informationExotic hidden-flavour at ATLAS: Search for X b à π + π - ϒ(1S)
Exotic hidden-flavour at ALAS: Search for X b à π + π - ϒ(1S) Cameron Cuthbert for the ALAS collaboration November 1 th 214 1 S Outline 1. Spectroscopy at ALAS he building blocks: ψ and ϒ ψ(2s) reconstruction
More informationRecent results and prospects of exotic hadrons at B-factory
Recent results and prospects of exotic hadrons at B-factory XiaoLong Wang Virginia Tech & Belle Collaboration XVI International Conference on Hadron Spectroscopy Jefferson Lab, Newport News, Virginia 9/13
More information