β -decay scheme of Te 140 to i 140: Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals

B. Moon, C. B. Moon, A. Odahara, R. Lozeva, P. A. Söderström, F. Browne, C. Yuan, A. Yagi, Byungsik Hong, H. S. Jung, P. Lee, C. S. Lee, S. Nishimura, P. Doornenbal, G. Lorusso, T. Sumikama, H. Watanabe, I. Kojouharov, T. Isobe, H. BabaH. Sakurai, R. Daido, Y. Fang, H. Nishibata, Z. Patel, S. Rice, L. Sinclair, J. Wu, Z. Y. Xu, R. Yokoyama, T. Kubo, N. Inabe, H. Suzuki, N. Fukuda, D. Kameda, H. Takeda, D. S. Ahn, Y. Shimizu, D. Murai, F. L. Bello Garrote, J. M. Daugas, F. Didierjean, E. Ideguchi, T. Ishigaki, S. Morimoto, M. Niikura, I. Nishizuka, T. Komatsubara, Y. K. Kwon, K. Tshoo

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Abstract

We report for the first time the β-decay scheme of Te140 (Z=52) to I140 (Z=53), with a specific focus on the Gamow-Teller strength along N=87 isotones. These results were obtained in an experiment performed at the Radioactive Ion Beam Factory (RIBF), RIKEN, where the parent nuclide, Te140, was produced through the in-flight fission of a U238 beam at 345 MeV per nucleon impinging on a Be9 target. Based on data from the high-efficiency γ-ray spectrometer, EUROBALL-RIKEN Cluster Array (EURICA), we constructed a decay scheme of I140. The half-life of Te140 has been determined to be 350(5) ms. A level at 926 keV has been assigned as a (1+) state based on the logft value of 4.89(6). This (1+) state, commonly observed in odd-odd nuclei, can be interpreted in terms of the πh11/2νh9/2 configuration formed by the Gamow-Teller transition between a neutron in the h9/2 orbital and a proton in the h11/2 orbital. We observe a sharp contrast to this type of β-decay branching to the lower-lying 1+ states between I140 and I136, where we see a large reduction as the number of neutrons increases. This is in contrast to the prediction by large-scale shell model calculations. To investigate this type of the suppression, results of the Nilsson model calculations will be discussed. Along the isotones with N=87, we discuss a characteristic feature of the Gamow-Teller distributions at 1+ states with respect to the isospin difference.

Original languageEnglish
Article number014325
JournalPhysical Review C
Volume96
Issue number1
DOIs
Publication statusPublished - 2017 Jul 31

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retarding
neutrons
orbitals
protons
decay
odd-odd nuclei
nuclides
industrial plants
half life
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ion beams
flight
spectrometers
configurations
predictions

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  • Nuclear and High Energy Physics

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β -decay scheme of Te 140 to i 140 : Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals. / Moon, B.; Moon, C. B.; Odahara, A.; Lozeva, R.; Söderström, P. A.; Browne, F.; Yuan, C.; Yagi, A.; Hong, Byungsik; Jung, H. S.; Lee, P.; Lee, C. S.; Nishimura, S.; Doornenbal, P.; Lorusso, G.; Sumikama, T.; Watanabe, H.; Kojouharov, I.; Isobe, T.; Baba, H.; Sakurai, H.; Daido, R.; Fang, Y.; Nishibata, H.; Patel, Z.; Rice, S.; Sinclair, L.; Wu, J.; Xu, Z. Y.; Yokoyama, R.; Kubo, T.; Inabe, N.; Suzuki, H.; Fukuda, N.; Kameda, D.; Takeda, H.; Ahn, D. S.; Shimizu, Y.; Murai, D.; Bello Garrote, F. L.; Daugas, J. M.; Didierjean, F.; Ideguchi, E.; Ishigaki, T.; Morimoto, S.; Niikura, M.; Nishizuka, I.; Komatsubara, T.; Kwon, Y. K.; Tshoo, K.

In: Physical Review C, Vol. 96, No. 1, 014325, 31.07.2017.

Research output: Contribution to journalArticle

Moon, B, Moon, CB, Odahara, A, Lozeva, R, Söderström, PA, Browne, F, Yuan, C, Yagi, A, Hong, B, Jung, HS, Lee, P, Lee, CS, Nishimura, S, Doornenbal, P, Lorusso, G, Sumikama, T, Watanabe, H, Kojouharov, I, Isobe, T, Baba, H, Sakurai, H, Daido, R, Fang, Y, Nishibata, H, Patel, Z, Rice, S, Sinclair, L, Wu, J, Xu, ZY, Yokoyama, R, Kubo, T, Inabe, N, Suzuki, H, Fukuda, N, Kameda, D, Takeda, H, Ahn, DS, Shimizu, Y, Murai, D, Bello Garrote, FL, Daugas, JM, Didierjean, F, Ideguchi, E, Ishigaki, T, Morimoto, S, Niikura, M, Nishizuka, I, Komatsubara, T, Kwon, YK & Tshoo, K 2017, 'β -decay scheme of Te 140 to i 140: Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals', Physical Review C, vol. 96, no. 1, 014325. https://doi.org/10.1103/PhysRevC.96.014325
Moon, B. ; Moon, C. B. ; Odahara, A. ; Lozeva, R. ; Söderström, P. A. ; Browne, F. ; Yuan, C. ; Yagi, A. ; Hong, Byungsik ; Jung, H. S. ; Lee, P. ; Lee, C. S. ; Nishimura, S. ; Doornenbal, P. ; Lorusso, G. ; Sumikama, T. ; Watanabe, H. ; Kojouharov, I. ; Isobe, T. ; Baba, H. ; Sakurai, H. ; Daido, R. ; Fang, Y. ; Nishibata, H. ; Patel, Z. ; Rice, S. ; Sinclair, L. ; Wu, J. ; Xu, Z. Y. ; Yokoyama, R. ; Kubo, T. ; Inabe, N. ; Suzuki, H. ; Fukuda, N. ; Kameda, D. ; Takeda, H. ; Ahn, D. S. ; Shimizu, Y. ; Murai, D. ; Bello Garrote, F. L. ; Daugas, J. M. ; Didierjean, F. ; Ideguchi, E. ; Ishigaki, T. ; Morimoto, S. ; Niikura, M. ; Nishizuka, I. ; Komatsubara, T. ; Kwon, Y. K. ; Tshoo, K. / β -decay scheme of Te 140 to i 140 : Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals. In: Physical Review C. 2017 ; Vol. 96, No. 1.
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title = "β -decay scheme of Te 140 to i 140: Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals",
abstract = "We report for the first time the β-decay scheme of Te140 (Z=52) to I140 (Z=53), with a specific focus on the Gamow-Teller strength along N=87 isotones. These results were obtained in an experiment performed at the Radioactive Ion Beam Factory (RIBF), RIKEN, where the parent nuclide, Te140, was produced through the in-flight fission of a U238 beam at 345 MeV per nucleon impinging on a Be9 target. Based on data from the high-efficiency γ-ray spectrometer, EUROBALL-RIKEN Cluster Array (EURICA), we constructed a decay scheme of I140. The half-life of Te140 has been determined to be 350(5) ms. A level at 926 keV has been assigned as a (1+) state based on the logft value of 4.89(6). This (1+) state, commonly observed in odd-odd nuclei, can be interpreted in terms of the πh11/2νh9/2 configuration formed by the Gamow-Teller transition between a neutron in the h9/2 orbital and a proton in the h11/2 orbital. We observe a sharp contrast to this type of β-decay branching to the lower-lying 1+ states between I140 and I136, where we see a large reduction as the number of neutrons increases. This is in contrast to the prediction by large-scale shell model calculations. To investigate this type of the suppression, results of the Nilsson model calculations will be discussed. Along the isotones with N=87, we discuss a characteristic feature of the Gamow-Teller distributions at 1+ states with respect to the isospin difference.",
author = "B. Moon and Moon, {C. B.} and A. Odahara and R. Lozeva and S{\"o}derstr{\"o}m, {P. A.} and F. Browne and C. Yuan and A. Yagi and Byungsik Hong and Jung, {H. S.} and P. Lee and Lee, {C. S.} and S. Nishimura and P. Doornenbal and G. Lorusso and T. Sumikama and H. Watanabe and I. Kojouharov and T. Isobe and H. Baba and H. Sakurai and R. Daido and Y. Fang and H. Nishibata and Z. Patel and S. Rice and L. Sinclair and J. Wu and Xu, {Z. Y.} and R. Yokoyama and T. Kubo and N. Inabe and H. Suzuki and N. Fukuda and D. Kameda and H. Takeda and Ahn, {D. S.} and Y. Shimizu and D. Murai and {Bello Garrote}, {F. L.} and Daugas, {J. M.} and F. Didierjean and E. Ideguchi and T. Ishigaki and S. Morimoto and M. Niikura and I. Nishizuka and T. Komatsubara and Kwon, {Y. K.} and K. Tshoo",
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month = "7",
day = "31",
doi = "10.1103/PhysRevC.96.014325",
language = "English",
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TY - JOUR

T1 - β -decay scheme of Te 140 to i 140

T2 - Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals

AU - Moon, B.

AU - Moon, C. B.

AU - Odahara, A.

AU - Lozeva, R.

AU - Söderström, P. A.

AU - Browne, F.

AU - Yuan, C.

AU - Yagi, A.

AU - Hong, Byungsik

AU - Jung, H. S.

AU - Lee, P.

AU - Lee, C. S.

AU - Nishimura, S.

AU - Doornenbal, P.

AU - Lorusso, G.

AU - Sumikama, T.

AU - Watanabe, H.

AU - Kojouharov, I.

AU - Isobe, T.

AU - Baba, H.

AU - Sakurai, H.

AU - Daido, R.

AU - Fang, Y.

AU - Nishibata, H.

AU - Patel, Z.

AU - Rice, S.

AU - Sinclair, L.

AU - Wu, J.

AU - Xu, Z. Y.

AU - Yokoyama, R.

AU - Kubo, T.

AU - Inabe, N.

AU - Suzuki, H.

AU - Fukuda, N.

AU - Kameda, D.

AU - Takeda, H.

AU - Ahn, D. S.

AU - Shimizu, Y.

AU - Murai, D.

AU - Bello Garrote, F. L.

AU - Daugas, J. M.

AU - Didierjean, F.

AU - Ideguchi, E.

AU - Ishigaki, T.

AU - Morimoto, S.

AU - Niikura, M.

AU - Nishizuka, I.

AU - Komatsubara, T.

AU - Kwon, Y. K.

AU - Tshoo, K.

PY - 2017/7/31

Y1 - 2017/7/31

N2 - We report for the first time the β-decay scheme of Te140 (Z=52) to I140 (Z=53), with a specific focus on the Gamow-Teller strength along N=87 isotones. These results were obtained in an experiment performed at the Radioactive Ion Beam Factory (RIBF), RIKEN, where the parent nuclide, Te140, was produced through the in-flight fission of a U238 beam at 345 MeV per nucleon impinging on a Be9 target. Based on data from the high-efficiency γ-ray spectrometer, EUROBALL-RIKEN Cluster Array (EURICA), we constructed a decay scheme of I140. The half-life of Te140 has been determined to be 350(5) ms. A level at 926 keV has been assigned as a (1+) state based on the logft value of 4.89(6). This (1+) state, commonly observed in odd-odd nuclei, can be interpreted in terms of the πh11/2νh9/2 configuration formed by the Gamow-Teller transition between a neutron in the h9/2 orbital and a proton in the h11/2 orbital. We observe a sharp contrast to this type of β-decay branching to the lower-lying 1+ states between I140 and I136, where we see a large reduction as the number of neutrons increases. This is in contrast to the prediction by large-scale shell model calculations. To investigate this type of the suppression, results of the Nilsson model calculations will be discussed. Along the isotones with N=87, we discuss a characteristic feature of the Gamow-Teller distributions at 1+ states with respect to the isospin difference.

AB - We report for the first time the β-decay scheme of Te140 (Z=52) to I140 (Z=53), with a specific focus on the Gamow-Teller strength along N=87 isotones. These results were obtained in an experiment performed at the Radioactive Ion Beam Factory (RIBF), RIKEN, where the parent nuclide, Te140, was produced through the in-flight fission of a U238 beam at 345 MeV per nucleon impinging on a Be9 target. Based on data from the high-efficiency γ-ray spectrometer, EUROBALL-RIKEN Cluster Array (EURICA), we constructed a decay scheme of I140. The half-life of Te140 has been determined to be 350(5) ms. A level at 926 keV has been assigned as a (1+) state based on the logft value of 4.89(6). This (1+) state, commonly observed in odd-odd nuclei, can be interpreted in terms of the πh11/2νh9/2 configuration formed by the Gamow-Teller transition between a neutron in the h9/2 orbital and a proton in the h11/2 orbital. We observe a sharp contrast to this type of β-decay branching to the lower-lying 1+ states between I140 and I136, where we see a large reduction as the number of neutrons increases. This is in contrast to the prediction by large-scale shell model calculations. To investigate this type of the suppression, results of the Nilsson model calculations will be discussed. Along the isotones with N=87, we discuss a characteristic feature of the Gamow-Teller distributions at 1+ states with respect to the isospin difference.

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DO - 10.1103/PhysRevC.96.014325

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