Nonzero Sivers function leads to a left-right asymmetry in the kT of ... Made use of LVL2 Photon filtered data. LVL2 filtered events on EMC tower 3.5 GeV/c ...
Corrections to collinear approximation. Possible explanation of Single Spin Asymmetries ... Need Im : cannot be tree level. Two spin amplitudes which couple to ...
Parton Distribution Functions generalized to contain information not ... predictions for Sivers effect from BHS Phys.Lett.B53099,2002 Sivers only interpretation ...
Brookhaven National Laboratory. Oct 24-28, 2005. 2 ... One example: Sivers function. Sivers function is the asymmetric part of k? ... data, showing that we have ...
Thin Red: valence u and d Sivers alone ... Blue: valence sea quark Sivers at positivity bound ... Large asymmetries at forward xF Valence quark effect? ...
... Azimuthal asymmetries were observed in SSA at HERMES for H2 ... Extraction of Sivers functions from the Sivers moment measurements. Fits to the Hermes data ' ...
Transversity measurements at HERMES Andy Miller, TRIUMF ... kT-dependent distribution functions Dennis Sivers, Portland ... at HERMES Andy Miller, TRIUMF ...
Opposite side correlated pions (dijets) Sivers effect. d-Au (Gluon ... FPD (Forward Pion Detector) proved we can reconstruct forward p0 in all (pp, dAu, ...
Parton Distribution Functions generalized to contain information not only on ... Curves for Sivers effect from BHS-2002. Beam SSA: sinf Moment. ALU ...
Title: weihai2011 Author: anna.martin Last modified by: anna Created Date: 6/8/2009 7:25:34 AM Document presentation format: Custom Other titles: Arial Times New ...
Delia Hasch: The transverse spin structure of the nucleon exp. ... transverse motion of partons within nucleons and of hadrons within fragmentation ...
Collins effect: Correlation between the quark's transverse spin with pion's pT ... Nachtmann and Mirkes proposed correlation between quark kT and its ...
on behalf of the COMPASS collaboration. 1. The COMPASS ... Oct.29-Nov.03,2006 Honolulu, Hawaii, USA. 2. gluon polarization. longitudinal quark polarizations ...
PHENIX Collaboration Meeting, Boulder, July 11th, 2007. Some Comments on Hard Scattering ... q chirality unchanged. by strong interaction. or electromagnetic. current ...
Generalization of collinear scheme (M. A., M. Boglione, U. D'Alesio, E. Leader, ... 'collinear expansion' at order ki. fits of E704 and STAR data. Kouvaris, Qiu, ...
The cross section can be expressed as a convolution of a ... DEUTERIUM. PROTON. is an all sea object and. August 2004. J. Stewart. Polarized Quark Densities ...
QCD Evolution and TMD/Spin Experiments J. P. Chen, Jefferson Lab QCD Evolution Workshop, May 14-17, 2012 Introduction SIDIS Transverse Experiments: Transversity and TMDs
Franco Bradamante. good fits to the proton HERMES DATA with ... Franco Bradamante. comparison of the same calculations with the COMPASS 2002-04 data ...
Measurement of Transverse Spin Effects at COMPASS. Anselm Vossen. ALU Freiburg ... graveyard of fashionable theories. If theorists had their way, they might ...
EM calorimeter only trigger data: Stuck high bit in one tower. Jet 1. Jet 2. Back-to-back. di-jets ... jet 2. kTx 0. kTx 0. 5. Toy M-C Tuned to Reproduce -width ...
1. Perspectives on SSA with a transversely polarized 3He target in JLab Hall-A ... quark fragmentation (dashed) and favored unfavored (solid) at Q2 = 2.5 GeV2 ...
Chiral-odd: requires spin flip of the quark. Transversity not measurable in inclusive DIS ... (indirect) evidence for non-zero quark orbital angular momentum ...
Strange Quarks Polarisation from Gluon Anomaly. IWHSS-08, Torino, COMPASS Week, March 31 2008 ... Small gluon polarisation where is an axial anomaly (c.f. ...
Transverse Single Spin Asymmetry Measurement with J/? in ... Large AN persists at RHIC energies (STAR, BRAHMS) pQCD predicts only small AN at leading order ...
Les Bland, Brookhaven National Laboratory. Future Transverse Spin at RHIC. 2. June 15 th ... L. Bland, S.J. Brodsky, G. Bunce, M. Liu, M. Grosse-Perdekamp, A. ...
Title: No Slide Title Author: bacchett Last modified by: qcdn06 Created Date: 12/1/2003 11:48:50 AM Document presentation format: On-screen Show Company
Delia Hasch. Transversity & friends from HERMES. International ... chiral-odd fragmentation function acts as polarimeter of transverse quark polarisation ...
Hyperons (in particular, Lambda) polarization (self-analyzing in weak decay) ... (0.0025 vs 0.0001) and of the same sign nothing like mirror picture seen. ...
Small Angle Spectrometer (SM2) tracking, calorimetry, PID. high energy beam ... splitting target cells and spectrometer, making bins in z and pt , changing F binning, ...