来源:Physics of Atomic Nuclei, 2009, 72(11): 1841-1845.
DOI:10.1134/S1063778809110064
摘要
Model-independent estimates obtained for the Breit-Wigner parameters of the S (11)(1535) and S (11)(1650) nucleon resonances from the latest experimental data on the photoproduction of eta mesons on protons are reported.