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

Jefferson Lab Hall A Collaboration, Jen-Chieh Peng

Research output: Contribution to journalArticle

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 (US)
Article number035209
JournalPhysical Review C
Volume95
Issue number3
DOIs
StatePublished - Mar 24 2017

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scattering cross sections
inelastic scattering
cross sections
plane waves
coverings
kinematics
quarks
valence
modulation
neutrons
nuclei
protons
gases

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

First measurement of unpolarized semi-inclusive deep-inelastic scattering cross sections from a He 3 target. / Jefferson Lab Hall A Collaboration ; Peng, Jen-Chieh.

In: Physical Review C, Vol. 95, No. 3, 035209, 24.03.2017.

Research output: Contribution to journalArticle

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