Incoherent φ photo-production from deuteron in SPring-8/LEPS

研究成果: Conference contribution

抄録

We present measurements of differential cross sections and decay asymmetries of incoherent φ-meson photo-production from the deuteron at forward angles using linearly polarized photons beam in energy range from the production threshold to E=2.4GeV. The experiment was performed at the SPring-8/LEPS facility. The differential cross section of incoherent production shows a large suppression compared with the free proton case. The reduction for the deuteron cannot be clearly explained in terms of simple isospin asymmetry. The decay asymmetry of incoherent φ photo-production shows that the eta exchange process is small. Since the exclusive K+K-p cross section shows the same reduction with incoherent, both the proton and neutron cross section reduce similarly. Consequently, the π-η interference effect is small too. The present results suggest that our understanding of φ photo-production within a nucleus should be rearranged.

本文言語English
ホスト出版物のタイトルInternational Conference on the Structure of Baryons, BARYONS'10
ページ238-241
ページ数4
DOI
出版ステータスPublished - 2011
外部発表はい
イベントInternational Conference on the Structure of Baryons, BARYONS'10 - Osaka, Japan
継続期間: 2010 12月 72010 12月 11

出版物シリーズ

名前AIP Conference Proceedings
1388
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

OtherInternational Conference on the Structure of Baryons, BARYONS'10
国/地域Japan
CityOsaka
Period10/12/710/12/11

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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