Tyree-body mechanisms in the {sup 3}He(e,e'p) reactions at high missing momentum
Journal Article
·
OSTI ID:833531
A particular three-body mechanism is responsible for the missing strength which has been reported in {sup 3}He(e,e{prime}p) reactions at missing momentum above 700 MeV/c. It corresponds to the absorption of the virtual photon by a nucleon at rest which subsequently propagates on-shell and emits a meson which is reabsorbed by the pair formed by the two other nucleons. Its amplitude, which is negligible in photon induced reactions as well as in the electro-production of an on-shell meson, becomes maximal in the quasi-free kinematics (X=1). It relates the amplitude of the {sup 3}He(e,e{prime}p)D reaction to the amplitude of pD elastic scattering at backward angles.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 833531
- Report Number(s):
- JLAB-THY-04-33; DOE/ER/40150-2919; nucl-th/0410003; TRN: US0406716
- Resource Relation:
- Other Information: No journal information given for this preprint; PBD: 1 Oct 2004
- Country of Publication:
- United States
- Language:
- English
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