Coherent photoproduction of π+ [pi superscript +] from 3He [superscript 3 He]
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Nasseripour-2011-Coherent photoproduc.pdf
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Author(s)
Suleiman, R.
Date Issued
March 2011
Journal
Physical review C
Publisher
American Physical Society
Citation
Nasseripour, R. et al. “Coherent Photoproduction of Π^{+} from ^{3}He.” Physical Review C 83.3 (2011) : n. pag. ©2011 American Physical Society
Version
Final published version
Abstract
We have measured the differential cross section for the γ3He→π+t [y superscript 3 He → pi superscript + t] reaction. This reaction was studied using the Continuous Electron Beam Accelerator Facility (CEBAF) Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Real photons produced with the Hall-B bremsstrahlung tagging system in the energy range from 0.50 to 1.55 GeV were incident on a cryogenic liquid 3He [superscript 3 He] target. The differential cross sections for the γ3He→π+t [y superscript 3 He → pi superscript + t] reaction were measured as a function of photon-beam energy and pion-scattering angle. Theoretical predictions to date cannot explain the large cross sections except at backward angles, showing that additional components must be added to the model.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevC.83.034001
