publication . Article . 2014

Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons

Adolph, C.; Akhunzyanov, R.; Alexeev, M. G.; Alexandrov, Yu; Alexeev, G. D.; Amoroso, A.; Andrieux, V.; Anosov, V.; Austregesilo, A.; Badełek, B.; ...
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Open Access English
  • Published: 01 Jan 2014
  • Country: Netherlands
Abstract
Spin-averaged asymmetries in the azimuthal distributions of positive and negative hadrons produced in deep inelastic scattering were measured using the CERN SPS longitudinally polarised muon beam at 160GeV/c and a 6LiD target. The amplitudes of the three azimuthal modulations cos φh, cos 2φh and sin φh were obtained binning the data separately in each of the relevant kinematic variables x, z or pTh and binning in a three-dimensional grid of these three variables. The amplitudes of the cos φh and cos 2φh modulations show strong kinematic dependencies both for positive and negative hadrons.
Subjects
arXiv: High Energy Physics::ExperimentNuclear Experiment
free text keywords: Nuclear and High Energy Physics
Related Organizations
Funded by
FCT| CERN/FP/109323/2009
Project
CERN/FP/109323/2009
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 109323
  • Funding stream: 5876-PPCDTI
, FCT| CERN/FP/116376/2010
Project
CERN/FP/116376/2010
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 116376
  • Funding stream: 5876-PPCDTI
, FCT| CERN/FP/123600/2011
Project
CERN/FP/123600/2011
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 123600
  • Funding stream: COMPETE
, EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
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Article . 2014
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