Gamow-teller decay of the T=1 nucleus Cr46

T. K. Onishi; A. Gelberg; H. Sakurai; K. Yoneda; N. Aoi; N. Imai; H. Baba; P. Von Brentano; N. Fukuda; Y. Ichikawa; M. Ishihara; H. Iwasaki; D. Kameda; T. Kishida; A. F. Lisetskiy; H. J. Ong; M. Osada; T. Otsuka; M. K. Suzuki; K. Ue; Y. Utsuno; H. Watanabe

doi:10.1103/PhysRevC.72.024308

Gamow-teller decay of the T=1 nucleus Cr46

T. K. Onishi, A. Gelberg, H. Sakurai, K. Yoneda, N. Aoi, N. Imai, H. Baba, P. Von Brentano, N. Fukuda, Y. Ichikawa, M. Ishihara, H. Iwasaki, D. Kameda, T. Kishida, A. F. Lisetskiy, H. J. Ong, M. Osada, T. Otsuka, M. K. Suzuki, K. UeY. Utsuno, H. Watanabe

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Abstract

The Gamow-Teller β decay of Cr46 to the N=Z odd-odd nucleus V46 has been observed for the first time. Cr46 was produced by the fragmentation of a Cr50 primary beam at 80 MeV/nucleon. By means of β-γ coincidence measurements, a γ-ray peak at 993 keV corresponding to the decay of the 11+ state in V46 was observed. The branching ratio of the Gamow-Teller decay to this state was found to be bGT=0.216±0.050. The half-life of Cr46 was measured to be T1/2=240±140 ms. The transition strength was determined to be B(GT)=0.64±0.20. This result was compared with theoretical values calculated with the shell model and the phenomenological quasideuteron model.

Original language	English
Article number	024308
Journal	Physical Review C - Nuclear Physics
Volume	72
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.72.024308
Publication status	Published - Aug 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.72.024308

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Onishi, T. K., Gelberg, A., Sakurai, H., Yoneda, K., Aoi, N., Imai, N., Baba, H., Von Brentano, P., Fukuda, N., Ichikawa, Y., Ishihara, M., Iwasaki, H., Kameda, D., Kishida, T., Lisetskiy, A. F., Ong, H. J., Osada, M., Otsuka, T., Suzuki, M. K., ... Watanabe, H. (2005). Gamow-teller decay of the T=1 nucleus Cr46. Physical Review C - Nuclear Physics, 72(2), [024308]. https://doi.org/10.1103/PhysRevC.72.024308

Onishi, TK, Gelberg, A, Sakurai, H, Yoneda, K, Aoi, N, Imai, N, Baba, H, Von Brentano, P, Fukuda, N, Ichikawa, Y, Ishihara, M, Iwasaki, H, Kameda, D, Kishida, T, Lisetskiy, AF, Ong, HJ, Osada, M, Otsuka, T, Suzuki, MK, Ue, K, Utsuno, Y & Watanabe, H 2005, 'Gamow-teller decay of the T=1 nucleus Cr46', Physical Review C - Nuclear Physics, vol. 72, no. 2, 024308. https://doi.org/10.1103/PhysRevC.72.024308

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title = "Gamow-teller decay of the T=1 nucleus Cr46",

abstract = "The Gamow-Teller β decay of Cr46 to the N=Z odd-odd nucleus V46 has been observed for the first time. Cr46 was produced by the fragmentation of a Cr50 primary beam at 80 MeV/nucleon. By means of β-γ coincidence measurements, a γ-ray peak at 993 keV corresponding to the decay of the 11+ state in V46 was observed. The branching ratio of the Gamow-Teller decay to this state was found to be bGT=0.216±0.050. The half-life of Cr46 was measured to be T1/2=240±140 ms. The transition strength was determined to be B(GT)=0.64±0.20. This result was compared with theoretical values calculated with the shell model and the phenomenological quasideuteron model.",

author = "Onishi, {T. K.} and A. Gelberg and H. Sakurai and K. Yoneda and N. Aoi and N. Imai and H. Baba and {Von Brentano}, P. and N. Fukuda and Y. Ichikawa and M. Ishihara and H. Iwasaki and D. Kameda and T. Kishida and Lisetskiy, {A. F.} and Ong, {H. J.} and M. Osada and T. Otsuka and Suzuki, {M. K.} and K. Ue and Y. Utsuno and H. Watanabe",

year = "2005",

month = aug,

doi = "10.1103/PhysRevC.72.024308",

language = "English",

volume = "72",

journal = "Physical Review C - Nuclear Physics",

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T1 - Gamow-teller decay of the T=1 nucleus Cr46

AU - Onishi, T. K.

AU - Gelberg, A.

AU - Sakurai, H.

AU - Yoneda, K.

AU - Aoi, N.

AU - Imai, N.

AU - Baba, H.

AU - Von Brentano, P.

AU - Fukuda, N.

AU - Ichikawa, Y.

AU - Ishihara, M.

AU - Iwasaki, H.

AU - Kameda, D.

AU - Kishida, T.

AU - Lisetskiy, A. F.

AU - Ong, H. J.

AU - Osada, M.

AU - Otsuka, T.

AU - Suzuki, M. K.

AU - Ue, K.

AU - Utsuno, Y.

AU - Watanabe, H.

PY - 2005/8

Y1 - 2005/8

N2 - The Gamow-Teller β decay of Cr46 to the N=Z odd-odd nucleus V46 has been observed for the first time. Cr46 was produced by the fragmentation of a Cr50 primary beam at 80 MeV/nucleon. By means of β-γ coincidence measurements, a γ-ray peak at 993 keV corresponding to the decay of the 11+ state in V46 was observed. The branching ratio of the Gamow-Teller decay to this state was found to be bGT=0.216±0.050. The half-life of Cr46 was measured to be T1/2=240±140 ms. The transition strength was determined to be B(GT)=0.64±0.20. This result was compared with theoretical values calculated with the shell model and the phenomenological quasideuteron model.

AB - The Gamow-Teller β decay of Cr46 to the N=Z odd-odd nucleus V46 has been observed for the first time. Cr46 was produced by the fragmentation of a Cr50 primary beam at 80 MeV/nucleon. By means of β-γ coincidence measurements, a γ-ray peak at 993 keV corresponding to the decay of the 11+ state in V46 was observed. The branching ratio of the Gamow-Teller decay to this state was found to be bGT=0.216±0.050. The half-life of Cr46 was measured to be T1/2=240±140 ms. The transition strength was determined to be B(GT)=0.64±0.20. This result was compared with theoretical values calculated with the shell model and the phenomenological quasideuteron model.

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DO - 10.1103/PhysRevC.72.024308

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Gamow-teller decay of the T=1 nucleus Cr46

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