"Bi-modal" isoscalar giant dipole strength in 58Ni

B. K. Nayak; U. Garg; M. Hedden; M. Koss; T. Li; Y. Liu; P. V. Madhusudhana Rao; S. Zhu; M. Itoh; H. Sakaguchi; H. Takeda; M. Uchida; Y. Yasuda; M. Yosoi; H. Fujimura; M. Fujiwara; K. Hara; T. Kawabata; H. Akimune; M. N. Harakeh

doi:10.1016/j.physletb.2006.03.034

"Bi-modal" isoscalar giant dipole strength in ⁵⁸Ni

B. K. Nayak, U. Garg, M. Hedden, M. Koss, T. Li, Y. Liu, P. V. Madhusudhana Rao, S. Zhu, M. Itoh, H. Sakaguchi, H. Takeda, M. Uchida, Y. Yasuda, M. Yosoi, H. Fujimura, M. Fujiwara, K. Hara, T. Kawabata, H. Akimune, M. N. Harakeh

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

The strength distribution of the isoscalar giant dipole resonance (ISGDR) in ⁵⁸Ni has been obtained over the energy range 10.5-49.5 MeV via extreme forward angle scattering (including 0°) of 386 MeV α particles. We observe a "bi-modal" E1 strength distribution for the first time in an A < 90 nucleus. The observed ISGDR strength distribution is in reasonable agreement with the predictions of a recent RPA calculation.

Original language	English
Pages (from-to)	43-47
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	637
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2006.03.034
Publication status	Published - 2006 Jun 1
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2006.03.034

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Nayak, B. K., Garg, U., Hedden, M., Koss, M., Li, T., Liu, Y., Madhusudhana Rao, P. V., Zhu, S., Itoh, M., Sakaguchi, H., Takeda, H., Uchida, M., Yasuda, Y., Yosoi, M., Fujimura, H., Fujiwara, M., Hara, K., Kawabata, T., Akimune, H., & Harakeh, M. N. (2006). "Bi-modal" isoscalar giant dipole strength in ⁵⁸Ni. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 637(1-2), 43-47. https://doi.org/10.1016/j.physletb.2006.03.034

"Bi-modal" isoscalar giant dipole strength in ⁵⁸Ni. / Nayak, B. K.; Garg, U.; Hedden, M.; Koss, M.; Li, T.; Liu, Y.; Madhusudhana Rao, P. V.; Zhu, S.; Itoh, M.; Sakaguchi, H.; Takeda, H.; Uchida, M.; Yasuda, Y.; Yosoi, M.; Fujimura, H.; Fujiwara, M.; Hara, K.; Kawabata, T.; Akimune, H.; Harakeh, M. N.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 637, No. 1-2, 01.06.2006, p. 43-47.

Research output: Contribution to journal › Article › peer-review

Nayak, BK, Garg, U, Hedden, M, Koss, M, Li, T, Liu, Y, Madhusudhana Rao, PV, Zhu, S, Itoh, M, Sakaguchi, H, Takeda, H, Uchida, M, Yasuda, Y, Yosoi, M, Fujimura, H, Fujiwara, M, Hara, K, Kawabata, T, Akimune, H & Harakeh, MN 2006, '"Bi-modal" isoscalar giant dipole strength in ⁵⁸Ni', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 637, no. 1-2, pp. 43-47. https://doi.org/10.1016/j.physletb.2006.03.034

Nayak, B. K. ; Garg, U. ; Hedden, M. ; Koss, M. ; Li, T. ; Liu, Y. ; Madhusudhana Rao, P. V. ; Zhu, S. ; Itoh, M. ; Sakaguchi, H. ; Takeda, H. ; Uchida, M. ; Yasuda, Y. ; Yosoi, M. ; Fujimura, H. ; Fujiwara, M. ; Hara, K. ; Kawabata, T. ; Akimune, H. ; Harakeh, M. N. / "Bi-modal" isoscalar giant dipole strength in ⁵⁸Ni. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2006 ; Vol. 637, No. 1-2. pp. 43-47.

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abstract = "The strength distribution of the isoscalar giant dipole resonance (ISGDR) in 58Ni has been obtained over the energy range 10.5-49.5 MeV via extreme forward angle scattering (including 0°) of 386 MeV α particles. We observe a {"}bi-modal{"} E1 strength distribution for the first time in an A < 90 nucleus. The observed ISGDR strength distribution is in reasonable agreement with the predictions of a recent RPA calculation.",

author = "Nayak, {B. K.} and U. Garg and M. Hedden and M. Koss and T. Li and Y. Liu and {Madhusudhana Rao}, {P. V.} and S. Zhu and M. Itoh and H. Sakaguchi and H. Takeda and M. Uchida and Y. Yasuda and M. Yosoi and H. Fujimura and M. Fujiwara and K. Hara and T. Kawabata and H. Akimune and Harakeh, {M. N.}",

note = "Funding Information: This work has been supported in part by the US–Japan Cooperative Science Program of JSPS and the US National Science Foundation (grants number INT03-42942 and PHY04-57120).",

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T1 - "Bi-modal" isoscalar giant dipole strength in 58Ni

AU - Nayak, B. K.

AU - Garg, U.

AU - Hedden, M.

AU - Koss, M.

AU - Li, T.

AU - Liu, Y.

AU - Madhusudhana Rao, P. V.

AU - Zhu, S.

AU - Itoh, M.

AU - Sakaguchi, H.

AU - Takeda, H.

AU - Uchida, M.

AU - Yasuda, Y.

AU - Yosoi, M.

AU - Fujimura, H.

AU - Fujiwara, M.

AU - Hara, K.

AU - Kawabata, T.

AU - Akimune, H.

AU - Harakeh, M. N.

N1 - Funding Information: This work has been supported in part by the US–Japan Cooperative Science Program of JSPS and the US National Science Foundation (grants number INT03-42942 and PHY04-57120).

PY - 2006/6/1

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N2 - The strength distribution of the isoscalar giant dipole resonance (ISGDR) in 58Ni has been obtained over the energy range 10.5-49.5 MeV via extreme forward angle scattering (including 0°) of 386 MeV α particles. We observe a "bi-modal" E1 strength distribution for the first time in an A < 90 nucleus. The observed ISGDR strength distribution is in reasonable agreement with the predictions of a recent RPA calculation.

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