Longitudinal spin structure of the nucleon at COMPASS (SPS CERN)

被引：0

作者：

Zemlyanichkina, E. ^{[1
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Russia

来源：

PHYSICS OF PARTICLES AND NUCLEI | 2014年 / 45卷 / 01期

关键词：

DEPENDENT STRUCTURE-FUNCTION; MUON-DEUTERON SCATTERING; HELICITY DISTRIBUTIONS; PROTON; DIS;

D O I：

10.1134/S1063779614011152

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present new results on longitudinal inclusive double-spin asymmetry A (1,p) (x) in deep-inelastic muon-proton scattering and proton spin-dependent structure function g (1) (p) (x, Q (2)). New COMPASS data on longitudinal polarised NH3 target were collected during the year 2011 with beam of positive muons with energy E = 200 GeV. Kinematical threshold Q (2) a parts per thousand yen 1 (GeV/c)(2) and the fractional energy 0.1 < y < 0.9 allow us to cover low x region down to 0.025.

引用

页码：176 / 178

页数：3

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