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Open AccessJournal ArticleDOI

A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target

E.S. Ageev, +257 more
- 12 Mar 2007 - 
- Vol. 765, Iss: 1, pp 31-70
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TLDR
In this article, high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6 LiD target are presented.
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This article is published in Nuclear Physics.The article was published on 2007-03-12 and is currently open access. It has received 211 citations till now. The article focuses on the topics: COMPASS experiment.

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Journal ArticleDOI

The Spin Structure of the Nucleon

TL;DR: In this paper, the authors review the present understanding of QCD spin physics: the proton spin puzzle and new developments aimed at understanding the transverse structure of the nucleon.
Journal ArticleDOI

Collins and Sivers asymmetries for pions and kaons in muon–deuteron DIS

M. Alekseev, +255 more
- 16 Mar 2009 - 
TL;DR: In this paper, the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons oil a transversely polarised (LiD)-Li-6 target at COMPASS are presented.
Journal ArticleDOI

Update on transversity and Collins functions from SIDIS and e+e− data

TL;DR: An update of a previous global analysis of the experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS) and in e + e − → h 1 h 2 X processes, from the HERMES and COMPASS Collaborations is presented.
Journal ArticleDOI

Effects of transversity in deep-inelastic scattering by polarized protons

A. Airapetian, +146 more
- 20 Sep 2010 - 
TL;DR: In this paper, single-spin asymmetries for pions and charged kaons are measured in semi-inclusive deep-inelastic scattering of positrons and electrons off a transversely nuclear-polarized hydrogen target.
Journal ArticleDOI

Matches and mismatches in the descriptions of semi-inclusive processes at low and high transverse momentum

TL;DR: In this paper, the transverse-momentum dependence in semi-inclusive deep inelastic leptoproduction of hadrons was investigated, and two different theoretical approaches to study this dependence, one for low and one for high transverse momentum of the observed hadron were presented.
References
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Journal ArticleDOI

ROOT — An object oriented data analysis framework

TL;DR: ROOT, written in C++, contains an efficient hierarchical OO database, a C++ interpreter, advanced statistical analysis (multi-dimensional histogramming, fitting, minimization, cluster finding algorithms) and visualization tools.
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GEM: A new concept for electron amplification in gas detectors

TL;DR: The gas electrons multiplier (GEM) as discussed by the authors is a composite grid consisting of two metal layers separated by a thin insulator, etched with a regular matrix of open channels, inserted in a gas detector on the path of drifting electrons.
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A measurement of the spin asymmetry and determination of the structure function g1 in deep inelastic muon-proton scattering

TL;DR: In this article, a measurement of the spin asymmetry and determination of the structure function g1 in deep inelastic muon-proton scattering was carried out for the first time.
Journal ArticleDOI

MICROMEGAS: a high-granularity position-sensitive gaseous detector for high particle-flux environments

TL;DR: In this paper, a two-stage parallet-plate avalanche chamber of small amplification gap (100 μm) combined with a conversion-drift space is proposed for a gaseous detector.
Journal ArticleDOI

An investigation of the spin structure of the proton in deep inelastic scattering of polarised muons on polarised protons

J. G. Ashman, +93 more
- 11 Dec 1989 - 
TL;DR: An investigation of the spin structure of the proton in deep inelastic scattering of polarised muons on polarised protons was performed in this article, where the spin was investigated in the context of the deep scattering process of polarized muons.
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Single-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target.

A. Airapetian, +174 more