Analyzing power of the reaction pp→ppπ0 at a beam energy of 390 MeV

Y. Maeda, M. Segawa, H. P. Yoshida, M. Nomachi, Y. Shimbara, Y. Sugaya, K. Yasuda, K. Tamura, T. Ishida, T. Yagita, A. Kacharava

研究成果: ジャーナルへの寄稿学術論文査読

1 被引用数 (Scopus)


The analyzing power of the reaction pp→ppπ0 has been measured at a beam energy of 390 MeV. The dependences of the analyzing power on the pion emission-angle and the relative momentum of two outgoing protons have been obtained. The angular dependence could be decomposed by Legendre polynomial and the relative contribution of the P21 to the P11 function is less than 4%. The momentum dependence of the analyzing power has been studied to obtain information about the pion-production mechanism. It has been deduced that pion production due to the long-range interaction plays an important role in the momentum dependence of the P-state amplitude.

ジャーナルNuclear Physics A
出版ステータス出版済み - 2003 6月 30


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