A new beam asymmetry measurement from pion photoproduction on the neutron using CLAS

Sokhan, D., Watts, D. and Klein, F. (2010) A new beam asymmetry measurement from pion photoproduction on the neutron using CLAS. Chinese Physics C, 33(12), pp. 1369-1372. (doi:10.1088/1674-1137/33/12/057)

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Abstract

We present a preliminary analysis of the photon beam asymmetry observable (Σ) from the photoproduction reaction channel γn → pπ− in the invariant mass range 1.6–2.3 GeV. The measurement was obtained using the near-4π CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory, USA, employing a linearly polarised photon beam with an energy range 1.1–2.3 GeV, incident on a liquid deuterium target. 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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Sokhan, Dr Daria
Authors: Sokhan, D., Watts, D., and Klein, F.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Chinese Physics C
Publisher:IOP Publishing
ISSN:1674-1137

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