SIDIS off polarized 3He: tagging the transversal nucleon structure, the EMC effect and the hadronization mechanism
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1 (BLT, Dubna SIDIS off polarized 3He: tagging te transversal nucleon structure, te EMC effect and te adronization mecanism wit June 7-July 4, 05, Almaty, Kazkstan
2 ,. Introduction: Standard SIDIS L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan
3 , Leading-Twist Quark Distributions ( A total of eigt distributions No K dependence K - dependent, T-odd K - dependent, T- even L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 3
4 4 Eigt Quark Distributions Probed in SIDIS Q sx d, ( ( ] ( {[, P z D x f e y, ( ( sin( (, ( ( sin( 4 (, ( ( cos( 4 (,, (, ( l S l T L l N L l N P z H x e zm P y S P z H x e M M z P y S P z H x e M M z P y }, ( ( cos( (, ( ( (, ( ( sin(3 6 (, ( ( sin( ( (,,, ( 3 3 (, T l S l N T e L e T l S l N T T l S l N T P z D x g e zm P y y S P z D x g e y y S P z H x e M M z P y S P z D x f e zm P y y S Unpolarized Polarized target Polarzied beam and target S L and S T : Target Polarizations; λe: Beam Polarization Sivers Transversity, June 7-July 4, 05, Almaty, Kazkstan L.P. Kaptari
5 , Single Spin Asymetry HERMES, COMPASS, JLAB Polarized neutron? L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 5
6 , PWIA Single Target-Spin Asymmetry in Semi-Inclusive Electroproduction on a Transversely Polarized 3 He Target (JLAB, E03-004(00,0, EPJ Plus, 6 (0 6
7 , g Q n m m p m p p m p X CdA & LPK Pys.Rev. C66 ( June 7-July 4, 05, Almaty, Kazkstan many-body problem 7
8 , L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 8
9 , L.P. Kaptari 9
10 , C. Ciofi degli Atti, S. Scopetta, E.Pace, G. Salme, PR.C 48 ( L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 0
11 A realistic spin-dependent spectral function of 3He witin te AV8 interaction and w.f. by te Pisa group (A. Kievsky et al., NPA 577, 5 (994. Parameterizations of data for pdfs and fragmentation functions wenever available Models for te unknown pdfs and fragmentation functions. S. Scopetta, Pys.Rev. D75 ( full free neutron (input dot - extracted witout prt das extracted wit dilution factors L.P. Kaptari
12 3 4 5 FACTORIZATION M. Alvioli, CdA & LPK PRC 8 (Rapid Comm. (00 000; etc CdA &LPK Pys.Rev.Lett. 00 (008 30;
13 Color string model + gluon radiation L.P. Kaptari 3
14 L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 4
15 , NEUTRON PROTON L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 5
16 DILUTION FACTORS PWIA: FSI: L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 6
17 , Extracted Asymmetries L.P. Kaptari June 7-July 4, 05, Almaty, Kazkstan 7
18 INTERMEDIATE conclusions PWIA describes data fairly well at low and moderate intrinsic momenta (up to MeV/c PWIA + GEA describes data in te wole kinematical region in.e. ( = NN ig energy e.m. processes off 3 He PWIA + GEA wit factorization adeuately describes unpolarized spectator SIDIS ( = eff (t,q,x Bj at intrinsic momenta up to MeV/c Since in te standard SIDIS processes one integrates over undetected removal energy and momenta (from 0 to infinity te PWIA + GEA ( = eff (t,q,x Bj wit factorization can be applied to extarct free Information information also from polarized SIDIS processes L.P. Kaptari 8
19 Tagging te Nucleon Structure in te Spectator SIDIS C. Ciofi degli Atti, L. P.K., S. Scopetta, EPJA 5 (999 9; PRC 83 ( ,; C. Ciofi degli Atti, L.P.K., B. Kopeliovic, EPJ A9, (004, 33 C. Ciofi degli Atti, L. P.K., and C. Mezzeti Fizika B0 (0 6 CLAS, Pys.Rev. C89 (04 4, 04506, Pys.Rev. C90 (04 5, L. P.K., A. Del Dotto, E. Pace, G. Salm`e, S.Scopetta., PRC 89 ( L.P. Kaptari 9
20 Tagging te Nucleon Structure in te Spectator SIDIS e e e N X N N N N (A- A=D Deeps(BONUS CLAS, PRC89 (04 4, 04506, PRC90 (04 5, 05990
21 L.P. Kaptari Tagging te Nucleon Structure in te Spectator SIDIS Tagging te Nucleon Structure in te Spectator SIDIS
22 Tagging te Hadronization Mecanism L.P. Kaptari
23 , Tagging te Spin Dependent Spectral Function L. P.K., A. Del Dotto, E. Pace, G. Salm`e, S.Scopetta., PRC 89 ( AV8 AV8 L.P. Kaptari 3
24 , AV8 AV8 L.P. Kaptari 4
25 Tagging te EMC-effect C. Ciofi degli Atti, L. P.K., S. Scopetta, EPJA 5 (999 9; CdA, LPK, PRC 83 ( ,; 5
26 6
27 7
28 M. Alvioli, CdA & LPK PRC 8 (Rapid Comm. (00 000, R. Sciavilla et al, PRC (005, 8
29 9
30 30
31 Results from.e. 3 He(e,e pd, 3 He(e,e ppn CdA & LPK, PRL 95, 0550 (005, R. Sciavilla et al, PRC (005, L. Frankfurt, M. Sargsian, M. Strikman Int. J.Mod. Pys. A3 (008 9 M.M. Rvacev et al., PRL 94(
32 ..,.e. 3 He(e,e pd 8- June, 05 3
33 .., Multiple Scattering Contributions CdA & LPK, PRL 95, 0550 (005, R. Sciavilla et al, PRC (005 PWIA dσ(p m as different (tree slopes Single Double different Multiple Scattering Components JLAB, 7 Apr
34 34
35 JLAB, 7 Apr
36 .., JLAB, 7 Apr
37 .., 3bbu 3 He(e,e'ppn (SACLAY kinem. JLAB d 6 /de e' d e' d p' de m [pb Mev - sr - ] p' = 60 o PWIA PWIA+FSI p' = 90.5 o PWIA PWIA+FSI p' = o PWIA PWIA+FSI E m [MeV] CdA & LPK, PRL 95, 0550 (005, L. Frankfurt, M. Sargsian, M. Strikman Int. J.Mod. Pys. A3 (
38 .., 8- June, 05 38
39 II means along S A 39
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