The Quasielastic 3He(e,e'p)d Reaction at Q2 = 1.5 GeV2 for Recoil Mometa up to 1 GeV/c
Journal Article
·
· Physical Review Letters
OSTI ID:829867
We have studied the quasielastic 3He(e,e'p)d reaction in perpendicular coplanar kinematics, with the energy and momentum transferred by the electron fixed at 840 MeV and 1502 MeV/c, respectively. The 3He(e,e'p)d cross section was measured for missing momenta up to 1000 MeV/c, while the A{sub TL} asymmetry was extracted for missing momenta up to 660 MeV/c. For missing momenta up to 150 MeV/$$c$$, the measured cross section is described well by calculations that use a variational ground-state wave function of the 3He nucleus derived from a potential that includes three-body forces. For missing momenta from 150 to 750 MeV/c, strong final-state interaction effects are observed. Near 1000 {approx} MeV/c, the experimental cross section is more than an order of magnitude larger than predicted by available theories. The A{sub TL} asymmetry displays characteristic features of broken factorization, and is described reasonably well 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:
- 829867
- Report Number(s):
- JLAB-PHY-04-30; DOE/ER/40150-2900; nucl-ex/0409005
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters
- Country of Publication:
- United States
- Language:
- English
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