Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°

T. Ishikawa, H. Akimune, I. Daito, H. Fujimura, Y. Fujita, M. Fujiwara, K. Hatanaka, K. Hosono, F. Ihara, M. Itoh, T. Kawabata, M. Nakamura, Tetsuo Noro, E. Obayashi, H. Sakaguchi, A. Tamii, H. Takeda, T. Taki, H. Toyokawa, H. P. YoshidaM. Yoshimura, M. Yosoi

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Abstract

Giant resonances at 8 ∼ 33 MeV of excitation energy in 58Ni have been studied by means of the (p→,p→/) reaction at 394 MeV. A broad bump was observed at 0°. The spin-flip and non-spin-flip components are decomposed by using polarization transfer observables. The cross sections have been calculated in both macroscopic and microscopic approaches. The strength of the isoscalar giant monopole resonance (GMR) was extracted from the non-spin-flip cross sections. The GMR was well fitted by a Lorentzian function with a centroid energy Ēx = 17.6 MeV and a width Γ = 3.9 MeV. The observed GMR exhausts about 70 ∼ 90% of the E0 energy weighted sum rule limit.

Original languageEnglish
Pages (from-to)58-63
Number of pages6
JournalNuclear Physics A
Volume687
Issue number1-2
Publication statusPublished - Apr 23 2001

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monopoles
cross sections
centroids
sum rules
energy
polarization
excitation

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Ishikawa, T., Akimune, H., Daito, I., Fujimura, H., Fujita, Y., Fujiwara, M., ... Yosoi, M. (2001). Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°. Nuclear Physics A, 687(1-2), 58-63.

Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°. / Ishikawa, T.; Akimune, H.; Daito, I.; Fujimura, H.; Fujita, Y.; Fujiwara, M.; Hatanaka, K.; Hosono, K.; Ihara, F.; Itoh, M.; Kawabata, T.; Nakamura, M.; Noro, Tetsuo; Obayashi, E.; Sakaguchi, H.; Tamii, A.; Takeda, H.; Taki, T.; Toyokawa, H.; Yoshida, H. P.; Yoshimura, M.; Yosoi, M.

In: Nuclear Physics A, Vol. 687, No. 1-2, 23.04.2001, p. 58-63.

Research output: Contribution to journalArticle

Ishikawa, T, Akimune, H, Daito, I, Fujimura, H, Fujita, Y, Fujiwara, M, Hatanaka, K, Hosono, K, Ihara, F, Itoh, M, Kawabata, T, Nakamura, M, Noro, T, Obayashi, E, Sakaguchi, H, Tamii, A, Takeda, H, Taki, T, Toyokawa, H, Yoshida, HP, Yoshimura, M & Yosoi, M 2001, 'Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°', Nuclear Physics A, vol. 687, no. 1-2, pp. 58-63.
Ishikawa T, Akimune H, Daito I, Fujimura H, Fujita Y, Fujiwara M et al. Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°. Nuclear Physics A. 2001 Apr 23;687(1-2):58-63.
Ishikawa, T. ; Akimune, H. ; Daito, I. ; Fujimura, H. ; Fujita, Y. ; Fujiwara, M. ; Hatanaka, K. ; Hosono, K. ; Ihara, F. ; Itoh, M. ; Kawabata, T. ; Nakamura, M. ; Noro, Tetsuo ; Obayashi, E. ; Sakaguchi, H. ; Tamii, A. ; Takeda, H. ; Taki, T. ; Toyokawa, H. ; Yoshida, H. P. ; Yoshimura, M. ; Yosoi, M. / Study of giant monopole resonance in 58Ni via the (p→,p→/) reaction at 0°. In: Nuclear Physics A. 2001 ; Vol. 687, No. 1-2. pp. 58-63.
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AU - Akimune, H.

AU - Daito, I.

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AU - Fujita, Y.

AU - Fujiwara, M.

AU - Hatanaka, K.

AU - Hosono, K.

AU - Ihara, F.

AU - Itoh, M.

AU - Kawabata, T.

AU - Nakamura, M.

AU - Noro, Tetsuo

AU - Obayashi, E.

AU - Sakaguchi, H.

AU - Tamii, A.

AU - Takeda, H.

AU - Taki, T.

AU - Toyokawa, H.

AU - Yoshida, H. P.

AU - Yoshimura, M.

AU - Yosoi, M.

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N2 - Giant resonances at 8 ∼ 33 MeV of excitation energy in 58Ni have been studied by means of the (p→,p→/) reaction at 394 MeV. A broad bump was observed at 0°. The spin-flip and non-spin-flip components are decomposed by using polarization transfer observables. The cross sections have been calculated in both macroscopic and microscopic approaches. The strength of the isoscalar giant monopole resonance (GMR) was extracted from the non-spin-flip cross sections. The GMR was well fitted by a Lorentzian function with a centroid energy Ēx = 17.6 MeV and a width Γ = 3.9 MeV. The observed GMR exhausts about 70 ∼ 90% of the E0 energy weighted sum rule limit.

AB - Giant resonances at 8 ∼ 33 MeV of excitation energy in 58Ni have been studied by means of the (p→,p→/) reaction at 394 MeV. A broad bump was observed at 0°. The spin-flip and non-spin-flip components are decomposed by using polarization transfer observables. The cross sections have been calculated in both macroscopic and microscopic approaches. The strength of the isoscalar giant monopole resonance (GMR) was extracted from the non-spin-flip cross sections. The GMR was well fitted by a Lorentzian function with a centroid energy Ēx = 17.6 MeV and a width Γ = 3.9 MeV. The observed GMR exhausts about 70 ∼ 90% of the E0 energy weighted sum rule limit.

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