Observation of a cusp-like structure in the $γp \rightarrow K^+Σ^0$ cross section at forward angles and low momentum transfer
英文摘要:
The $γp \rightarrow K^+Σ^0$ differential cross section at extremely forward angles was measured at the BGOOD experiment. A three-quarter drop in strength over a narrow range in energy and a strong dependence on the polar angle of the $K^+$ in the centre-of-mass of the reaction is observed at a centre-of-mass energy of 1900\,MeV. Residing close to multiple open and hidden strangeness thresholds, the structure appears consistent with meson-baryon threshold effects which may contribute to the reaction mechanism.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。