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Title: A Polarized Drell-Yan Experiment to Probe the Dynamics of the Nucleon Sea

After presenting the nucleon spin puzzle as motivation for the experiment, the authors turn to a theoretical overview: sea quark flavor asymmetry and meson cloud model, and accessing quark angular momentum via the Sivers function. Then they describe the experimental equipment and conditions needed to carry out a fixed, polarized target Drell-Yan experiment, E1039. Data taking is expected to start in the middle of 2016.
Authors:
 [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
OSTI Identifier:
1177170
Report Number(s):
LA-UR--14-26953
TRN: US1600121
DOE Contract Number:
AC52-06NA25396
Resource Type:
Conference
Resource Relation:
Conference: Diffraction 2014, Primosten (Croatia), 10-16 Sep 2014; Related Information: PowerPoint presentation
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
DOE/LANL
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 43 PARTICLE ACCELERATORS; NUCLEONS; POLARIZED TARGETS; SPIN; DRELL MODEL; FLAVOR MODEL; QUARKS; ASYMMETRY; EQUIPMENT; FUNCTIONS; EXPERIMENT PLANNING Atomic and Nuclear Physics