First Extraction of the Matter Radius of 132Sn via Proton Elastic Scattering at 200 MeV/Nucleon
By measuring proton elastic scattering at approximately 200 MeV/nucleon, researchers extracted the first matter radius for 132Sn (4.758−0.024+0.023 fm), finding that current theoretical models cannot simultaneously reconcile this value with the known charge radius.
Y. Hijikata, J. Zenihiro, S. Terashima, Y. Matsuda, H. Sakaguchi, P. Arthuis, T. Miyagi, S. Ota, H. Baba, S. Chebotaryov, M. Dozono, T. Furuno, T. Harada, C. Iwamoto, T. Kawabata, M. Kobayashi, A. J. (…)2026-02-10⚛️ nucl-ex