Spin Physics Working Group

Apr 27, 2005, 4:30 PM → Apr 29, 2005, 5:50 PM America/Chicago

Ideas-G (Monona Terrace)

K. Kumar, P. Di Nezza, M. Stratmann

DIS05 Overview

Wed, April 27

4:30 PM → 6:10 PM Session 1 - Inclusive (I)

4:30 PM Precision results on g1 for proton, deuteron, and neutron and first measurement of b1 of the deuteron

Speaker: D. Reggiani (Erlangen)

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4:50 PM Measurement of the spin structure of the deuteron at COMPASS

Speaker: J.Hannappel (Bonn)

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5:10 PM Extraction of pdfs from DIS/SIDIS

Speaker: R. Sassot (Buenos Aires)

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5:30 PM Synthesis of DGLAP and total resummation of leading logarithms for the non-singlet spin structure function g1

Speaker: B. Ermolaev (St. Petersburg)

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5:50 PM Status of lattice QCD calculations

Speaker: G. Schierholz (DESY)

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Thu, April 28

9:00 AM → 10:40 AM Session 2 - Joint session w/ Diff. & Vector Mes.

Agenda

2:00 PM → 3:40 PM Session 3 - Transversity/SSA (I)

2:00 PM Transversity measurements at HERMES

Speaker: M. Diefenthaler (Erlangen)

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2:20 PM Collins and Sivers asymmetries on the deuteron from the COMPASS data

Speaker: P. Pagano (INFN - Trieste)

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2:40 PM Transversity of quarks and hadrons in single spin and azimuthal asymmetries

Speaker: L. Gamberg (Penn State Berks)

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3:00 PM New results on SIDIS SSA from Jefferson Lab.

Speaker: H. Avakian (JLab)

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3:20 PM Measurements of chiral-odd fragmentation functions at BELLE

Speaker: R. Seidl (BELLE)

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4:10 PM → 5:50 PM Session 4 - Transversity/SSA (II) & Inclusive (II)

4:10 PM First measurement of interference fragmentation function on transversely polarized hydrogen target at HERMES

Speaker: P. van der Nat (Nikhef)

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4:30 PM Transversity signals in two hadron correlation at COMPASS

Speaker: R. Joosten (Helmholtz Institut - Bonn)

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4:50 PM Latest Results on Spin Structure Functions at high-x from Jlab

Speaker: J-P. Chen (JLab)

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5:10 PM g1 and g2 in the meson cloud model

Speaker: T. Signal (Massey University)

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5:30 PM Jlab Results on the Q2 Evolution of Moments of Spin Structure Functions

Speaker: A. Deur (JLab)

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Fri, April 29

9:00 AM → 10:40 AM Session 5 - Theoretical issues (Joint session w/ H

9:00 AM Factorization in SIDIS

Speaker: F. Yuan (BNL)

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9:20 AM Novel Aspects of High-x Phenomena in QCD

Speaker: Stan Brodsky (SLAC)

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9:40 AM The role of Cahn and Sivers effects in Deep Inelastic Scattering

Speaker: Alexei Prokudin (Torino)

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10:00 AM Probing inelastic states with elastic ep scattering via QED loops

Speaker: A.V. Afanasev (JLab)

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11:10 AM → 12:50 PM Session 6 - Transversity/SSA (III)

11:10 AM Transversity Physics Results from STAR

Speaker: S. Heppelmann (Penn State)

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11:30 AM Transversity Physics Results from PHENIX

Speaker: M. Chiu (UIUC)

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11:50 AM SSA Results from BRAHMS

Speaker: F. Videbaek (BNL)

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12:10 PM Double transverse spin asymmetries at NLO in QCD

Speaker: A. Mukherjee (Leiden)

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12:30 PM Recent topics on orbital structure in hadronic collisions

Speaker: D. Sivers (Portland)

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2:00 PM → 3:40 PM Session 7 - Inclusive (III)

2:00 PM Double Spin Asymmetry Results From PHENIX

Speaker: A. Deshpande (SUNY/RBRC)

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2:20 PM Double Spin Asymmetry Results from STAR

Speaker: R. Cadman (ANL)

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2:40 PM Recent measurement of Delta g/g at COMPASS

Speaker: C. Bernet (CERN)

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3:00 PM The effect of positivity constraints on polarized parton densities

Speaker: D. Stamenov (INRNE - Sofia)

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3:20 PM Results on Testing Duality in Spin Structure from Jlab

Speaker: N. Liyanage (University of Virginia)

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4:10 PM → 5:50 PM Session 8 - Future Plans

4:10 PM Spin physics with polarized antiprotons at GSI

Speaker: P. Lenisa (Ferrara)

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4:40 PM Prospects for W Physics at RHIC

Speaker: X. Wei (RBRC)

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5:10 PM Electron Beam Polarimetry: Status and Prospects

Speaker: E. Chudakov (Jlab)

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5:30 PM Proton Beam Polarimetry at RHIC

Speaker: A. Bravar (BNL)

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