CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab
A large part of the experimental program in Hall B of the Jefferson Lab is dedicated to baryon spectroscopy. Photoproduction experiments are essential part of this program. CEBAF Large Acceptance Spectrometer (CLAS) and availability of circularly and linearly polarized tagged photon beams provide unique conditions for this type of experiments. Recent addition of the Frozen Spin Target (FROST) gives a remarkable opportunity to measure double and triple polarization observables for different pseudo-scalar meson photoproduction processes. For the first time, a complete or nearly complete experiment becomes possible and will allow model independent extraction of the reaction amplitude. An overview of the experiment and its current status is presented.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 985387
- Report Number(s):
- JLAB-PHY-09-913; DOE/OR/23177-0912; arXiv:0906.4221; TRN: US1006125
- Journal Information:
- Chin.Phys.C, Vol. 33; Conference: NSTAR 2009,19-22 Apr 2009, Beijing, China
- Country of Publication:
- United States
- Language:
- English
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Status of Meson Photoproduction Experiments with CLAS
Measurement of polarization observables in vector meson photoproduction using a transversely-polarized frozen-spin target and polarized photons at CLAS, Jefferson Lab