Lifetime of a new high-spin isomer in 150Dy

H. Watanabe; Y. Wakabayashi; Y. Gono; T. Fukuchi; H. Ueno; W. Sato; A. Yoshimi; D. Kameda; H. Miyoshi; T. Kishida; Y. Kobayashi; T. Morikawa; S. Motomura; O. Kashiyama; K. Saito; A. Odahara; K. Asahi

doi:10.1140/epja/i2003-10150-y

Lifetime of a new high-spin isomer in ¹⁵⁰Dy

H. Watanabe, Y. Wakabayashi, Y. Gono, T. Fukuchi, H. Ueno, W. Sato, A. Yoshimi, D. Kameda, H. Miyoshi, T. Kishida, Y. Kobayashi, T. Morikawa, S. Motomura, O. Kashiyama, K. Saito, A. Odahara, K. Asahi

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

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Abstract

A new high-spin isomer in ¹⁵⁰Dy has been observed at an excitation energy of 10.3 MeV by combining the inverse-kinematic reaction induced by a pulsed beam of ¹³²Xe and the γ-ray recoil-shadow technique. The half-life of this isomeric state has been determined to be T _1/2 = 1.6 ± 0.6 ns using the conventional centroid-shift method with the ¹⁴¹Pr(¹⁶O. p6n) ¹⁵⁰Dy reaction at 165 MeV. The mechanism producing high-spin isomers in N = 83, 84 isotones is qualitatively discussed in terms of the difference of the neutron particle-hole configuration between the high-spin isomer and the lower-lying state.

Original language	English
Pages (from-to)	163-167
Number of pages	5
Journal	European Physical Journal A
Volume	19
Issue number	2
DOIs	https://doi.org/10.1140/epja/i2003-10150-y
Publication status	Published - Feb 1 2004
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Lifetime of a new high-spin isomer in ¹⁵⁰Dy. / Watanabe, H.; Wakabayashi, Y.; Gono, Y.; Fukuchi, T.; Ueno, H.; Sato, W.; Yoshimi, A.; Kameda, D.; Miyoshi, H.; Kishida, T.; Kobayashi, Y.; Morikawa, T.; Motomura, S.; Kashiyama, O.; Saito, K.; Odahara, A.; Asahi, K.

In: European Physical Journal A, Vol. 19, No. 2, 01.02.2004, p. 163-167.

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

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title = "Lifetime of a new high-spin isomer in 150Dy",

abstract = "A new high-spin isomer in 150Dy has been observed at an excitation energy of 10.3 MeV by combining the inverse-kinematic reaction induced by a pulsed beam of 132Xe and the γ-ray recoil-shadow technique. The half-life of this isomeric state has been determined to be T 1/2 = 1.6 ± 0.6 ns using the conventional centroid-shift method with the 141Pr(16O. p6n) 150Dy reaction at 165 MeV. The mechanism producing high-spin isomers in N = 83, 84 isotones is qualitatively discussed in terms of the difference of the neutron particle-hole configuration between the high-spin isomer and the lower-lying state.",

author = "H. Watanabe and Y. Wakabayashi and Y. Gono and T. Fukuchi and H. Ueno and W. Sato and A. Yoshimi and D. Kameda and H. Miyoshi and T. Kishida and Y. Kobayashi and T. Morikawa and S. Motomura and O. Kashiyama and K. Saito and A. Odahara and K. Asahi",

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AU - Watanabe, H.

AU - Wakabayashi, Y.

AU - Gono, Y.

AU - Fukuchi, T.

AU - Ueno, H.

AU - Sato, W.

AU - Yoshimi, A.

AU - Kameda, D.

AU - Miyoshi, H.

AU - Kishida, T.

AU - Kobayashi, Y.

AU - Morikawa, T.

AU - Motomura, S.

AU - Kashiyama, O.

AU - Saito, K.

AU - Odahara, A.

AU - Asahi, K.

PY - 2004/2/1

Y1 - 2004/2/1

N2 - A new high-spin isomer in 150Dy has been observed at an excitation energy of 10.3 MeV by combining the inverse-kinematic reaction induced by a pulsed beam of 132Xe and the γ-ray recoil-shadow technique. The half-life of this isomeric state has been determined to be T 1/2 = 1.6 ± 0.6 ns using the conventional centroid-shift method with the 141Pr(16O. p6n) 150Dy reaction at 165 MeV. The mechanism producing high-spin isomers in N = 83, 84 isotones is qualitatively discussed in terms of the difference of the neutron particle-hole configuration between the high-spin isomer and the lower-lying state.

AB - A new high-spin isomer in 150Dy has been observed at an excitation energy of 10.3 MeV by combining the inverse-kinematic reaction induced by a pulsed beam of 132Xe and the γ-ray recoil-shadow technique. The half-life of this isomeric state has been determined to be T 1/2 = 1.6 ± 0.6 ns using the conventional centroid-shift method with the 141Pr(16O. p6n) 150Dy reaction at 165 MeV. The mechanism producing high-spin isomers in N = 83, 84 isotones is qualitatively discussed in terms of the difference of the neutron particle-hole configuration between the high-spin isomer and the lower-lying state.

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JF - European Physical Journal A

SN - 1434-6001

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ER -

Lifetime of a new high-spin isomer in ¹⁵⁰Dy

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