Damping mechanisms of high-lying single-particle states in Nb91

H. K.T. Van Der Molen, H. Akimune, A. M. Van Den Berg, I. Daito, H. Fujimura, Y. Fujita, M. Fujiwara, M. N. Harakeh, M. Hunyadi, F. Ihara, T. Inomata, K. Ishibashi, J. Jänecke, N. Kalantar-Nayestanaki, H. Laurent, I. Lhenry, T. W. O'Donnell, V. A. Rodin, A. Tamii, H. ToyokawaM. H. Urin, H. Yoshida, M. Yosoi

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Abstract

Decay by proton emission from high-lying states in Nb91, populated in the Zr90(α,t) reaction at Eα=180 MeV, has been investigated. Decay to the ground state and semidirect decay to the low-lying (2+,5-, and 3-) phonon states in Zr90 were observed. It was found that these phonon states play an important role in the damping process of the single-particle states. An optical-model coupled-channel approach was used successfully to describe the direct and semidirect parts of the decay.

Original languageEnglish
Article number014311
JournalPhysical Review C - Nuclear Physics
Volume75
Issue number1
DOIs
Publication statusPublished - Jan 26 2007

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Van Der Molen, H. K. T., Akimune, H., Van Den Berg, A. M., Daito, I., Fujimura, H., Fujita, Y., Fujiwara, M., Harakeh, M. N., Hunyadi, M., Ihara, F., Inomata, T., Ishibashi, K., Jänecke, J., Kalantar-Nayestanaki, N., Laurent, H., Lhenry, I., O'Donnell, T. W., Rodin, V. A., Tamii, A., ... Yosoi, M. (2007). Damping mechanisms of high-lying single-particle states in Nb91. Physical Review C - Nuclear Physics, 75(1), [014311]. https://doi.org/10.1103/PhysRevC.75.014311