Systematics of high-spin isomers in N=83 isotones and a high-spin isomer beam

Gono, Y. (author)

Odahara, A. (author)

Fukuchi, T. (author)

Ideguchi, E. (author)

Kishida, T. (author)

Kubo, T. (author)

Watanabe, H. (author)

Motomura, S. (author)

Saito, K. (author)

Kashiyama, O. (author)

Morikawa, T. (author)

Zhang, Y. H. (author)

Zhou, X. H. (author)

Ishihara, M. (author)

Sagawa, H. (author)

(creator_code:org_t)

2002
2002
English.
In: European Physical Journal A. - 1434-6001 .- 1434-601X. ; 13:02-jan, s. 5-8

Abstract Subject headings

Isomers in N = 83 isotones of Z = 60 66 were studied systematically. Their spins and parities arc,49/2(+) and 27(+) for odd and odd-odd nuclei, respectively. Nearly constant excitation energies of these isomers indicated a decrease of a Z = 64 shell gap energy as Z decreases from 64 to 60 within the framework of a deformed independent-particle model (DIPM). Their configurations are [v(f(tau/2)h(9/2)i(13/2)), pi(h(11/2))(2)](49/2+) and [v(f(7/2)h(9/2)i(13/2)), pi(h(11/2))(2)(d(5/2))(-1)](27+) for odd and odd-odd nuclei, respectively. The shape of the yrast status changes suddenly at spin 49/2(odd) and 27(odd-odd) from a near spherical to an oblate shape. Transitions from isomers are highly hindered because of the shape changes. They may be categorized to be shape isomers. The development of a secondary beam produced by using these high-spin isomers is also described.

By the author/editor: Gono, Y.; Odahara, A.; Fukuchi, T.; Ideguchi, E.; Kishida, T.; Kubo, T.; show more...; Watanabe, H.; Motomura, S.; Saito, K.; Kashiyama, O.; Morikawa, T.; Cederwall, Bo; Zhang, Y. H.; Zhou, X. H.; Ishihara, M.; Sagawa, H.; show less...

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.