K*0 Σ+ Photoproduction with Evidence for the Kappa Meson Exchange at SPring 8/LEPS

Sanghoon Hwang, Ken Hicks, Jung Keun Ahn, Takashi Nakano

Research output: Contribution to journalArticle

Abstract

Recently, LEPS collaboration reported the parity spin asymmetry for the γ p → K* 0Σ+ reaction using linearly polarized photons at beam energies from 1.85 to 2.96 GeV. The parity spin asymmetry (Pσ = 2ρ11-1 - ρ100) was obtained, with large positive asymmetry at forward angles. This supports that natural-parity exchange is dominant at forward angles for K* 0Σ+ photoproduction, which is consistent with κ meson-exchange. The differential cross sections for the γ p → K* 0Σ+ reaction are presented at forward angles averaged over all beam energies. There is good agreement with the differential cross sections from the CLAS and the CBELSA/TAPS collaborations.

Original languageEnglish
Pages (from-to)1037-1041
Number of pages5
JournalFew-Body Systems
Volume54
Issue number7-10
DOIs
Publication statusPublished - 2013 Aug
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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