Observation of S11(1535) resonance in nuclear medium via the 12C(γ,η) reaction

T. Yorita, H. Yamazaki, T. Kinoshita, T. Okuda, H. Matsui, J. Kasagi, T. Suda, K. Itoh, T. Miyakawa, H. Okuno, H. Shimizu, H. Y. Yoshida, T. Kinashi, T. Maruyama

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45 Citations (Scopus)

Abstract

Properties of the S11(1535) resonance in nuclear medium were investigated through the 12C(γ,η) reaction for photon energies between 0.68 and 1.0 GeV. A broad resonance due to the the S11 excitation in the carbon nucleus was clearly observed for the first time. The data were compared with calculations of the quantum molecular dynamics, and the observed shape being different from the elementary one is essentially explained by the medium effects such as the Fermi motion, the Pauli blocking and effects of N-η and N-N* collisions. (C) 2000 Published by Elsevier Science B.V.

Original languageEnglish
Pages (from-to)226-232
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume476
Issue number3-4
DOIs
Publication statusPublished - 2000 Mar 16

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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