Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92

Y. K. Gupta, K. B. Howard, U. Garg, J. T. Matta, M. Şenyiǧit, M. Itoh, S. Ando, T. Aoki, A. Uchiyama, S. Adachi, M. Fujiwara, C. Iwamoto, A. Tamii, H. Akimune, C. Kadono, Y. Matsuda, T. Nakahara, T. Furuno, T. Kawabata, M. TsumuraM. N. Harakeh, N. Kalantar-Nayestanaki

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The isoscalar giant monopole, dipole, and quadrupole strength distributions have been deduced in Zr90,92 and Mo92 from "background-free" spectra of inelastic α-particle scattering at a beam energy of 385 MeV at extremely forward angles, including 0°. These strength distributions were extracted by a multipole-decomposition analysis based on the expected angular distributions of the respective multipoles. All these strength distributions for the three nuclei practically coincide with each other, affirming that giant resonances, being collective phenomena, are not influenced by nuclear shell structure near A∼90, contrary to the claim in a recent measurement.

Original languageEnglish
Article number064323
JournalPhysical Review C
Volume97
Issue number6
DOIs
Publication statusPublished - 2018 Jun 29

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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