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First measurement of unpolarized semi-inclusive deep-inelastic scattering cross sections from a He 3 target

  • Jefferson Lab Hall A Collaboration
  • Duke University
  • Massachusetts Institute of Technology
  • Thomas Jefferson National Accelerator Facility
  • California State University Los Angeles
  • University of Glasgow
  • College of William and Mary
  • Duquesne University
  • Old Dominion University
  • University of Virginia
  • Hampton University
  • National Institute for Nuclear Physics
  • Istituto Superiore di Sanita
  • University of Bari
  • University of Kentucky
  • Mississippi State University
  • Rutgers - The State University of New Jersey, New Brunswick
  • NASU - Kharkov Institute of Physics and Technology
  • Los Alamos National Laboratory
  • Florida International University
  • Longwood University
  • Cairo University
  • Kyungpook National University
  • China National Nuclear Corporation
  • Kent State University
  • University of Science and Technology of China
  • University of Massachusetts
  • Temple University
  • Université Clermont Auvergne
  • Seoul National University
  • Carnegie Mellon University
  • University of Illinois at Urbana-Champaign
  • University of New Hampshire
  • Brookhaven National Laboratory
  • Syracuse University
  • A. Alikhanian Yerevan Institute of Physics
  • University of Ljubljana
  • Lanzhou University

Research output: Contribution to journalArticlepeer-review

Abstract

The unpolarized semi-inclusive deep-inelastic scattering (SIDIS) differential cross sections in He3(e,e′π±)X have been measured for the first time in Jefferson Lab experiment E06-010 with a 5.9GeVe- beam on a He3 gas target. The experiment focuses on the valence quark region, covering a kinematic range 0.12<xbj<0.45,1<Q2<4(GeV/c)2,0.45<zh<0.65, and 0.05<Pt<0.55GeV/c. The extracted SIDIS differential cross sections of π± production are compared with existing phenomenological models while the He3 nucleus approximated as two protons and one neutron in a plane-wave picture, in multidimensional bins. Within the experimental uncertainties, the azimuthal modulations of the cross sections are found to be consistent with zero.

Original languageEnglish
Article number035209
JournalPhysical Review C
Volume95
Issue number3
DOIs
Publication statusPublished - 24 Mar 2017
Externally publishedYes

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