Pathway for the production of neutron-rich isotopes around the N=126 shell closure

Y. X. Watanabe; Y. H. Kim; S. C. Jeong; Y. Hirayama; N. Imai; H. Ishiyama; H. S. Jung; H. Miyatake; S. Choi; J. S. Song; E. Clement; G. De France; A. Navin; M. Rejmund; C. Schmitt; G. Pollarolo; L. Corradi; E. Fioretto; D. Montanari; M. Niikura; D. Suzuki; H. Nishibata; J. Takatsu

doi:10.1103/PhysRevLett.115.172503

Pathway for the production of neutron-rich isotopes around the N=126 shell closure

Y. X. Watanabe, Y. H. Kim, S. C. Jeong, Y. Hirayama, N. Imai, H. Ishiyama, H. S. Jung, H. Miyatake, S. Choi, J. S. Song, E. Clement, G. De France, A. Navin, M. Rejmund, C. Schmitt, G. Pollarolo, L. Corradi, E. Fioretto, D. Montanari, M. NiikuraD. Suzuki, H. Nishibata, J. Takatsu

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

120 Citations (Scopus)

Abstract

Absolute cross sections for isotopically identified products formed in multinucleon transfer in the Xe136+Pt198 system at ∼8MeV/nucleon are reported. The isotopic distributions obtained using a large acceptance spectrometer demonstrated the production of the "hard-to-reach" neutron-rich isotopes for Z<78 around the N=126 shell closure far from stability. The main contribution to the formation of these exotic nuclei is shown to arise in collisions with a small kinetic energy dissipation. The present experimental finding corroborates for the first time recent predictions that multinucleon transfer reactions would be the optimum method to populate and characterize neutron-rich isotopes around N=126 which are crucial for understanding both astrophysically relevant processes and the evolution of "magic" numbers far from stability.

Original language	English
Article number	172503
Journal	Physical review letters
Volume	115
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.115.172503
Publication status	Published - Oct 23 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1103/PhysRevLett.115.172503

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Watanabe, Y. X., Kim, Y. H., Jeong, S. C., Hirayama, Y., Imai, N., Ishiyama, H., Jung, H. S., Miyatake, H., Choi, S., Song, J. S., Clement, E., De France, G., Navin, A., Rejmund, M., Schmitt, C., Pollarolo, G., Corradi, L., Fioretto, E., Montanari, D., ... Takatsu, J. (2015). Pathway for the production of neutron-rich isotopes around the N=126 shell closure. Physical review letters, 115(17), [172503]. https://doi.org/10.1103/PhysRevLett.115.172503

Pathway for the production of neutron-rich isotopes around the N=126 shell closure. / Watanabe, Y. X.; Kim, Y. H.; Jeong, S. C.; Hirayama, Y.; Imai, N.; Ishiyama, H.; Jung, H. S.; Miyatake, H.; Choi, S.; Song, J. S.; Clement, E.; De France, G.; Navin, A.; Rejmund, M.; Schmitt, C.; Pollarolo, G.; Corradi, L.; Fioretto, E.; Montanari, D.; Niikura, M.; Suzuki, D.; Nishibata, H.; Takatsu, J.

In: Physical review letters, Vol. 115, No. 17, 172503, 23.10.2015.

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

Watanabe, YX, Kim, YH, Jeong, SC, Hirayama, Y, Imai, N, Ishiyama, H, Jung, HS, Miyatake, H, Choi, S, Song, JS, Clement, E, De France, G, Navin, A, Rejmund, M, Schmitt, C, Pollarolo, G, Corradi, L, Fioretto, E, Montanari, D, Niikura, M, Suzuki, D, Nishibata, H & Takatsu, J 2015, 'Pathway for the production of neutron-rich isotopes around the N=126 shell closure', Physical review letters, vol. 115, no. 17, 172503. https://doi.org/10.1103/PhysRevLett.115.172503

Watanabe, Y. X. ; Kim, Y. H. ; Jeong, S. C. ; Hirayama, Y. ; Imai, N. ; Ishiyama, H. ; Jung, H. S. ; Miyatake, H. ; Choi, S. ; Song, J. S. ; Clement, E. ; De France, G. ; Navin, A. ; Rejmund, M. ; Schmitt, C. ; Pollarolo, G. ; Corradi, L. ; Fioretto, E. ; Montanari, D. ; Niikura, M. ; Suzuki, D. ; Nishibata, H. ; Takatsu, J. / Pathway for the production of neutron-rich isotopes around the N=126 shell closure. In: Physical review letters. 2015 ; Vol. 115, No. 17.

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abstract = "Absolute cross sections for isotopically identified products formed in multinucleon transfer in the Xe136+Pt198 system at ∼8MeV/nucleon are reported. The isotopic distributions obtained using a large acceptance spectrometer demonstrated the production of the {"}hard-to-reach{"} neutron-rich isotopes for Z<78 around the N=126 shell closure far from stability. The main contribution to the formation of these exotic nuclei is shown to arise in collisions with a small kinetic energy dissipation. The present experimental finding corroborates for the first time recent predictions that multinucleon transfer reactions would be the optimum method to populate and characterize neutron-rich isotopes around N=126 which are crucial for understanding both astrophysically relevant processes and the evolution of {"}magic{"} numbers far from stability.",

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AU - Jeong, S. C.

AU - Hirayama, Y.

AU - Imai, N.

AU - Ishiyama, H.

AU - Jung, H. S.

AU - Miyatake, H.

AU - Choi, S.

AU - Song, J. S.

AU - Clement, E.

AU - De France, G.

AU - Navin, A.

AU - Rejmund, M.

AU - Schmitt, C.

AU - Pollarolo, G.

AU - Corradi, L.

AU - Fioretto, E.

AU - Montanari, D.

AU - Niikura, M.

AU - Suzuki, D.

AU - Nishibata, H.

AU - Takatsu, J.

PY - 2015/10/23

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AB - Absolute cross sections for isotopically identified products formed in multinucleon transfer in the Xe136+Pt198 system at ∼8MeV/nucleon are reported. The isotopic distributions obtained using a large acceptance spectrometer demonstrated the production of the "hard-to-reach" neutron-rich isotopes for Z<78 around the N=126 shell closure far from stability. The main contribution to the formation of these exotic nuclei is shown to arise in collisions with a small kinetic energy dissipation. The present experimental finding corroborates for the first time recent predictions that multinucleon transfer reactions would be the optimum method to populate and characterize neutron-rich isotopes around N=126 which are crucial for understanding both astrophysically relevant processes and the evolution of "magic" numbers far from stability.

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