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Quasielastic 3He(e,e'p)2H Reaction at Q2=1.5 GeV2 for Recoil Momenta up to 1 GeV/c

Journal Article · · Physical Review Letters
OSTI ID:840262
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We have studied the quasielastic 3He(e,e'p)2H reaction in perpendicular coplanar kinematics, with the energy and the momentum transferred by the electron fixed at 840 MeV and 1502 MeV/c, respectively. The 3He(e,e'p)2H cross section was measured for missing momenta up to 1000 MeV/c, while the ATL asymmetry was extracted for missing momenta up to 660 MeV/c. For missing momenta up to 150 MeV/c, the cross section is described by variational calculations using modern 3He wave functions. For missing momenta from 150 to 750 MeV/c, strong final-state interaction effects are observed. Near 1000 MeV/c, the experimental cross section is more than an order of magnitude larger than predicted by available theories. The ATL asymmetry displays characteristic features of broken factorization with a structure that is similar to that generated by available models.
Research Organization:
Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
Sponsoring Organization:
USDOE Office of Energy Research (ER) (US)
DOE Contract Number:
AC05-84ER40150
OSTI ID:
840262
Report Number(s):
JLAB-PHY-05-307; DOE/ER/40150-3404
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 19 Vol. 94; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
CROSS SECTIONS
ELECTRONS
FACTORIZATION
FINAL-STATE INTERACTIONS
WAVE FUNCTIONS