Electroproduction of omega(783) Mesons Using CLAS at Jefferson Lab
Conference
·
OSTI ID:801495
Electroproduction of omega(783) mesons from a proton target has been measured in a search for used. The scattered electrons were measured in coincidence with the recoiling proton and the (pi){sup +} from the omega decay. Missing mass techniques were applied to identify the omega in the final state, and to reduce the rho(770) contribution. The data show the omega very clearly on a smooth background originating predominantly from 3-pion phase space. Differential cross sections have been extracted, and the W and t dependencies will be presented. The t dependence is mostly monotonic for W > 2 GeV, as expected from pi-exchange and diffractive processes, while for W < 2 GeV strongly non-monotonic behavior is observed, indicative of possible s-channel nucleon resonance contributions.
- 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:
- 801495
- Report Number(s):
- JLAB-PHY-00-47; DOE/ER/40150-2179
- Country of Publication:
- United States
- Language:
- English
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