CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.

E. Pasyuk (for the CLAS collaboration)

doi:10.1088/1674-1137/33/12/024

Chinese Physics C> 2009, Vol. 33> Issue(12) : 1205-1209 DOI: 10.1088/1674-1137/33/12/024

CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.

E. Pasyuk (for the CLAS collaboration)

(Arizona State University, Tempe, AZ 85287, USA)(Jefferson Laboratory, Newport News, VA 23606, USA)

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Abstract：
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.

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E. Pasyuk (for the CLAS collaboration). CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.[J]. Chinese Physics C, 2009, 33(12): 1205-1209. doi: 10.1088/1674-1137/33/12/024

E. Pasyuk (for the CLAS collaboration). CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.[J]. Chinese Physics C, 2009, 33(12): 1205-1209. doi: 10.1088/1674-1137/33/12/024 shu

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Received: 2009-08-07
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.

(Arizona State University, Tempe, AZ 85287, USA)(Jefferson Laboratory, Newport News, VA 23606, USA)

Received Date: 2009-08-07

Accepted Date: 1900-01-01

Available Online: 2009-12-05

Abstract:

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.

CLAS+FROST: new generation of photoproduction experiments at Jefferson Lab.

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