【摘 要】
：
在N* (1 53 5)共振模型下 ,研究了γ在原子核上产生η的反应 ,通过N 衰变的实验数据以及γp→ηp反应确定了模型参数 ,结果表明 ,MN =1 550MeV才较好地符合γp→ηp的实验 ,
【机 构】
：
中国科学院高能物理研究所!北京100039,中国科学院高能物理研究所!北京100039 中国科学院高能物理研究所 北京100039 中国科学院高能物理研究所 北京100039
论文部分内容阅读
在N* (1 53 5)共振模型下 ,研究了γ在原子核上产生η的反应 ,通过N 衰变的实验数据以及γp→ηp反应确定了模型参数 ,结果表明 ,MN =1 550MeV才较好地符合γp→ηp的实验 ,对12 C上的 η介子光生的总截面计算发现 ,N (1 53 5)在核内的宽度由于多体修正而增大 ,N -核的相互作用具有排斥性质
Under the N * (1 535) resonance model, the reaction of γ on nucleus η was studied. The model parameters were determined by the experimental data of N decay and γp → ηp reaction. The results show that MN = 1 550MeV is better According to the experiment of γp → ηp, the total cross-section of photon generation of η meson at 12 C shows that the width of N (1 53 5) in the nucleus increases due to multi-body correction and the N-core interaction has repulsive property
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