Charged pion photoproduction

Journal Article

We extracted the differential cross section for the γn → π- p process from a deuterium target using the CLAS detector at Jefferson Lab in Hall B for photon energies between 1.0 and 3.5 GeV and pion center-of-mass (c.m.) angles (θc.m.) between 50° and 115°. We confirm a previous indication of a broad enhancement around a cm. energy (√s) of 2.1 GeV at θc.m. =90° in the scaled differential cross section, s7 σ/dt and a rapid fall-off in a center-of-mass energy region of about 400 MeV following the enhancement. Our data show an angular dependence of this enhancement as the suggested scaling region is approached for θc.m. from 70° to 105°. © 2009 American Institute of Physics.

Full Text

Duke Authors

Cited Authors

  • Chen, W; Gao, H

Published Date

  • December 1, 2009

Published In

Volume / Issue

  • 1182 /

Start / End Page

  • 851 - 854

Electronic International Standard Serial Number (EISSN)

  • 1551-7616

International Standard Serial Number (ISSN)

  • 0094-243X

Digital Object Identifier (DOI)

  • 10.1063/1.3293942

Citation Source

  • Scopus