Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25

Y Fujita; I Hamamoto; H Fujita; Y Shimbara; T Adachi; G P A Berg; K Fujita; K Hatanaka; J Kamiya; K Nakanishi; Y Sakemi; Y Shimizu; M Uchida; T Wakasa; M Yosoi

doi:10.1103/PhysRevLett.92.062502

Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25

Y Fujita^*, I Hamamoto, H Fujita, Y Shimbara, T Adachi, G P A Berg, K Fujita, K Hatanaka, J Kamiya, K Nakanishi, Y Sakemi, Y Shimizu, M Uchida, T Wakasa, M Yosoi

^*Corresponding author for this work

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

Abstract

After 50 years of its prediction, the highest-lying [2 0 2]3/2 orbit among the six Nilsson single-particle orbits originating from the sd shells in prolately deformed nuclei and the rotational band on this orbit were identified. The band members were observed in Al-25 at excitation energies of 6-7.5 MeV in a high-resolution Mg-25(He-3,t) charge-exchange reaction at 0degrees having a strong selectivity for Gamow-Teller transitions. In the comparison with the analogous M1 transitions in Mg-25, the J(pi)=3/2(+) bandhead state and the excited 5/2(+) and 7/2(+) members were clearly assigned.

Original language	English
Article number	062502
Number of pages	4
Journal	Physical Review Letters
Volume	92
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.92.062502
Publication status	Published - 13-Feb-2004

Keywords

SPECTROMETER GRAND RAIDEN
ENERGY-LEVELS
GAMOW-TELLER
BETA-DECAY
BEAM LINE
SCATTERING
STATES

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Evidence for the existence of the [202]3-2 deformed band in mirror
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Fujita, Y., Hamamoto, I., Fujita, H., Shimbara, Y., Adachi, T., Berg, G. P. A., Fujita, K., Hatanaka, K., Kamiya, J., Nakanishi, K., Sakemi, Y., Shimizu, Y., Uchida, M., Wakasa, T., & Yosoi, M. (2004). Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25. Physical Review Letters, 92(6), Article 062502. https://doi.org/10.1103/PhysRevLett.92.062502

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title = "Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25",

abstract = "After 50 years of its prediction, the highest-lying [2 0 2]3/2 orbit among the six Nilsson single-particle orbits originating from the sd shells in prolately deformed nuclei and the rotational band on this orbit were identified. The band members were observed in Al-25 at excitation energies of 6-7.5 MeV in a high-resolution Mg-25(He-3,t) charge-exchange reaction at 0degrees having a strong selectivity for Gamow-Teller transitions. In the comparison with the analogous M1 transitions in Mg-25, the J(pi)=3/2(+) bandhead state and the excited 5/2(+) and 7/2(+) members were clearly assigned.",

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author = "Y Fujita and I Hamamoto and H Fujita and Y Shimbara and T Adachi and Berg, {G P A} and K Fujita and K Hatanaka and J Kamiya and K Nakanishi and Y Sakemi and Y Shimizu and M Uchida and T Wakasa and M Yosoi",

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doi = "10.1103/PhysRevLett.92.062502",

language = "English",

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T1 - Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25

AU - Fujita, Y

AU - Hamamoto, I

AU - Fujita, H

AU - Shimbara, Y

AU - Adachi, T

AU - Berg, G P A

AU - Fujita, K

AU - Hatanaka, K

AU - Kamiya, J

AU - Nakanishi, K

AU - Sakemi, Y

AU - Shimizu, Y

AU - Uchida, M

AU - Wakasa, T

AU - Yosoi, M

PY - 2004/2/13

Y1 - 2004/2/13

N2 - After 50 years of its prediction, the highest-lying [2 0 2]3/2 orbit among the six Nilsson single-particle orbits originating from the sd shells in prolately deformed nuclei and the rotational band on this orbit were identified. The band members were observed in Al-25 at excitation energies of 6-7.5 MeV in a high-resolution Mg-25(He-3,t) charge-exchange reaction at 0degrees having a strong selectivity for Gamow-Teller transitions. In the comparison with the analogous M1 transitions in Mg-25, the J(pi)=3/2(+) bandhead state and the excited 5/2(+) and 7/2(+) members were clearly assigned.

AB - After 50 years of its prediction, the highest-lying [2 0 2]3/2 orbit among the six Nilsson single-particle orbits originating from the sd shells in prolately deformed nuclei and the rotational band on this orbit were identified. The band members were observed in Al-25 at excitation energies of 6-7.5 MeV in a high-resolution Mg-25(He-3,t) charge-exchange reaction at 0degrees having a strong selectivity for Gamow-Teller transitions. In the comparison with the analogous M1 transitions in Mg-25, the J(pi)=3/2(+) bandhead state and the excited 5/2(+) and 7/2(+) members were clearly assigned.

KW - SPECTROMETER GRAND RAIDEN

KW - ENERGY-LEVELS

KW - GAMOW-TELLER

KW - BETA-DECAY

KW - BEAM LINE

KW - SCATTERING

KW - STATES

U2 - 10.1103/PhysRevLett.92.062502

DO - 10.1103/PhysRevLett.92.062502

M3 - Article

SN - 0031-9007

VL - 92

JO - Physical Review Letters

JF - Physical Review Letters

IS - 6

M1 - 062502

ER -

Evidence for the existence of the [202]3/2 deformed band in mirror nuclei Mg-25 and Al-25

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Keywords

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