A new measurement of Beam Asymmetry in Pion Photoproduction from the Neutron using CLAS
Conference
·
OSTI ID:956232
We present a preliminary analysis of the photon beam asymmetry observable (Sigma) from the photoproduction reaction channel gamma+ n -> p + pi-. This new data was obtained using the near-4pi CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory, USA, employing a linearly polarised photon beam with an energy range 1.1 - 2.3 GeV. The measurement will provide new data to address the poorly established neutron excitation spectrum and will greatly expand the sparse world data-set both in energy and angle.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-060R23177
- OSTI ID:
- 956232
- Report Number(s):
- JLAB-PHY-08-877; arXiv:0810.0939; DOE/OR/23177-0530; TRN: US1004957
- Resource Relation:
- Conference: Paper compiled for MESON 2008
- Country of Publication:
- United States
- Language:
- English
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