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Spin WG Summary - spin experiments -

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1 Spin WG Summary - spin experiments -
DIS2006 in Tsukuba April 24, 2006 Yuji Goto (RIKEN/RBRC)

2 Spin Puzzle : quark-spin contribution G: gluon-spin contribution
global analysis of DIS and SIDIS data flavor decomposition extension to low-Q2 transversity G: gluon-spin contribution L: orbital angular momentum (OAM) DVCS transverse spin asymmetries Sivers function and Collins function April 24, 2006 DIS2006 Spin WG Summary

3 P. Mulders April 24, 2006 DIS2006 Spin WG Summary

4 quark distribution functions and fragmentation functions
transversity distribution function distribution of the transverse-spin of a parton inside the transversely polarized proton Sivers distribution function correlation between the transverse-spin of the proton and the transverse-momentum of an unpolarized parton inside the proton (pT2) Collins fragmentation function correlation between the transverse spin of a fragmenting quark and the transverse momentum of the outgoing hadron relative to the quark (kT2) April 24, 2006 DIS2006 Spin WG Summary

5 experimental talks (Convenors: D. Ryckbosch and Y. Goto)
transverse spin asymmetries and transversity HERMES (L. Pappalardo) COMPASS (H. Fischer) RHIC PHENIX (K. Tanida) STAR (C. Gagliardi) BRAHMS (J.H. Lee) polarimeter (A. Bravar) J-PARC & GSI (P. Lenisa) polarized fragmentation functions BELLE (R. Seidl) COMPASS (B.Grube) RHIC STAR (J. Kiryluk) DVCS HERMES (Z. Ye) G RHIC STAR (J. Kiryluk, F. Simon) PHENIX (M. Liu, Y. Fukao) COMPASS (K. Kurek) quark/antiquark flavor decomposition RHIC PHENIX (M. Liu) STAR (F. Simon) low-Q2 DIS COMPASS (M. Stolarski) JLAB CLAS (V. Dharmawardane, Y. Prok) Hall-A (N. Liyanage) Hall-C (S. Tajima) April 24, 2006 DIS2006 Spin WG Summary

6 transverse spin asymmetries and transversity
HERMES (L. Pappalardo) COMPASS (H. Fischer, B. Grube) PHENIX (K. Tanida) STAR (C. Gagliardi) BRAHMS (J.H. Lee) RHIC polarimeter (A. Bravar) J-PARC & GSI (P. Lenisa) April 24, 2006 DIS2006 Spin WG Summary

7 HERMES (L. Pappalardo) April 24, 2006 DIS2006 Spin WG Summary

8 HERMES (L. Pappalardo) April 24, 2006 DIS2006 Spin WG Summary

9 COMPASS (H. Fischer) April 24, 2006 DIS2006 Spin WG Summary

10 COMPASS (H. Fischer) April 24, 2006 DIS2006 Spin WG Summary

11 PHENIX (K. Tanida) April 24, 2006 DIS2006 Spin WG Summary

12 PHENIX (K. Tanida) April 24, 2006 DIS2006 Spin WG Summary

13 STAR (C. Gagliardi) April 24, 2006 DIS2006 Spin WG Summary

14 STAR (C. Gagliardi) April 24, 2006 DIS2006 Spin WG Summary

15 BRAHMS (J.H. Lee) April 24, 2006 DIS2006 Spin WG Summary

16 BRAHMS (J.H. Lee) April 24, 2006 DIS2006 Spin WG Summary

17 BRAHMS (J.H. Lee) April 24, 2006 DIS2006 Spin WG Summary

18 April 24, 2006 DIS2006 Spin WG Summary

19 RHIC polarimeter (A. Bravar)
April 24, 2006 DIS2006 Spin WG Summary

20 RHIC polarimeter (A. Bravar)
April 24, 2006 DIS2006 Spin WG Summary

21 RHIC polarimeter (A. Bravar)
April 24, 2006 DIS2006 Spin WG Summary

22 RHIC polarimeter (A. Bravar)
April 24, 2006 DIS2006 Spin WG Summary

23 J-PARC & GSI (P. Lenisa) April 24, 2006 DIS2006 Spin WG Summary

24 polarized fragmentation functions
BELLE (R. Seidl) COMPASS (B. Grube) STAR (J. Kiryluk) April 24, 2006 DIS2006 Spin WG Summary

25 BELLE (R. Seidl) April 24, 2006 DIS2006 Spin WG Summary

26 COMPASS (B. Grube) April 24, 2006 DIS2006 Spin WG Summary

27 COMPASS (B. Grube) April 24, 2006 DIS2006 Spin WG Summary

28 STAR (J. Kiryluk) April 24, 2006 DIS2006 Spin WG Summary

29 DVCS HERMES (Z. Ye) April 24, 2006 DIS2006 Spin WG Summary

30 HERMES (Z. Ye) April 24, 2006 DIS2006 Spin WG Summary

31 HERMES (Z. Ye) April 24, 2006 DIS2006 Spin WG Summary

32 G STAR (J. Kiryluk, F. Simon) PHENIX (M. Liu, Y. Fukao)
COMPASS (K. Kurek) April 24, 2006 DIS2006 Spin WG Summary

33 STAR (J. Kiryluk) April 24, 2006 DIS2006 Spin WG Summary

34 PHENIX (Y. Fukao) April 24, 2006 DIS2006 Spin WG Summary

35 COMPASS (K. Kurek) April 24, 2006 DIS2006 Spin WG Summary

36 quark/antiquark flavor decomposition
RHIC PHENIX (M. Liu) STAR (F. Simon) April 24, 2006 DIS2006 Spin WG Summary

37 PHENIX (M. Liu) April 24, 2006 DIS2006 Spin WG Summary

38 STAR (F. Simon) April 24, 2006 DIS2006 Spin WG Summary

39 low-Q2 DIS COMPASS (M. Stolarski)
JLAB CLAS (V. Dharmawardane, Y. Prok) JLAB Hall-A (N. Liyanage) JLAB Hall-C (S. Tajima) April 24, 2006 DIS2006 Spin WG Summary

40 COMPASS (M. Stolarski) April 24, 2006 DIS2006 Spin WG Summary

41 JLAB CLAS (Y. Prok) April 24, 2006 DIS2006 Spin WG Summary

42 JLAB CLAS (Y. Prok) April 24, 2006 DIS2006 Spin WG Summary

43 JLAB CLAS (Y. Prok) April 24, 2006 DIS2006 Spin WG Summary

44 JLAB Hall-A (N. Liyanage)
April 24, 2006 DIS2006 Spin WG Summary

45 JLAB Hall-A (N. Liyanage)
April 24, 2006 DIS2006 Spin WG Summary

46 JLAB Hall-C (S. Tajima) April 24, 2006 DIS2006 Spin WG Summary

47 JLAB Hall-C (S. Tajima) April 24, 2006 DIS2006 Spin WG Summary

48 Summary We are still accumulating data to understand the nucleon spin structure  W production data, low-Q2 data, … G RHIC, COMPASS L (OAM) transverse spin asymmetries from both lepton- scattering and hadron-scattering data April 24, 2006 DIS2006 Spin WG Summary

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