Discovery of 68Br in secondary reactions of radioactive beams

K. Wimmer; P. Doornenbal; W. Korten; P. Aguilera; A. Algora; T. Ando; T. Arici; H. Baba; B. Blank; A. Boso; S. Chen; A. Corsi; P. Davies; G. de Angelis; G. de France; D. T. Doherty; J. Gerl; R. Gernhäuser; D. G. Jenkins; S. Koyama; T. Motobayashi; S. Nagamine; M. Niikura; A. Obertelli; D. Lubos; B. Rubio; E. Sahin; T. Y. Saito; H. Sakurai; L. Sinclair; D. Steppenbeck; R. Taniuchi; R. Wadsworth; M. Zielinska

doi:10.1016/j.physletb.2019.06.014

Discovery of ⁶⁸Br in secondary reactions of radioactive beams

K. Wimmer^*, P. Doornenbal, W. Korten, P. Aguilera, A. Algora, T. Ando, T. Arici, H. Baba, B. Blank, A. Boso, S. Chen, A. Corsi, P. Davies, G. de Angelis, G. de France, D. T. Doherty, J. Gerl, R. Gernhäuser, D. G. Jenkins, S. KoyamaT. Motobayashi, S. Nagamine, M. Niikura, A. Obertelli, D. Lubos, B. Rubio, E. Sahin, T. Y. Saito, H. Sakurai, L. Sinclair, D. Steppenbeck, R. Taniuchi, R. Wadsworth, M. Zielinska

^*Corresponding author for this work

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

Abstract

The proton-rich isotope ⁶⁸Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of ^70,71,72Kr and ⁷⁰Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary ⁹Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based on the expected direct production cross sections from neighboring isotopes, the lifetime of the ground or long-lived isomeric state of ⁶⁸Br was estimated. The results suggest that secondary fragmentation reactions, where relatively few nucleons are removed from the projectile, offer an alternative way to search for new isotopes, as these reactions populate preferentially low-lying states.

Original language	English
Pages (from-to)	266-270
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	795
DOIs	https://doi.org/10.1016/j.physletb.2019.06.014
Publication status	Published - 10 Aug 2019

Bibliographical note

Keywords

Direct reaction
New isotope
Radioactive beams

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10.1016/j.physletb.2019.06.014

1-s2.0-S0370269319303922-main
© 2019 The Authors.
Final published version, 493 KBLicence: CC BY

http://arxiv.org/abs/1906.04067v1

Cite this

Wimmer, K., Doornenbal, P., Korten, W., Aguilera, P., Algora, A., Ando, T., Arici, T., Baba, H., Blank, B., Boso, A., Chen, S., Corsi, A., Davies, P., de Angelis, G., de France, G., Doherty, D. T., Gerl, J., Gernhäuser, R., Jenkins, D. G., ... Zielinska, M. (2019). Discovery of ⁶⁸Br in secondary reactions of radioactive beams. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 795, 266-270. https://doi.org/10.1016/j.physletb.2019.06.014

@article{11f8fc50612b4e14818952c9e29c218b,

title = "Discovery of 68Br in secondary reactions of radioactive beams",

abstract = "The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary 9Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based on the expected direct production cross sections from neighboring isotopes, the lifetime of the ground or long-lived isomeric state of 68Br was estimated. The results suggest that secondary fragmentation reactions, where relatively few nucleons are removed from the projectile, offer an alternative way to search for new isotopes, as these reactions populate preferentially low-lying states.",

keywords = "Direct reaction, New isotope, Radioactive beams",

author = "K. Wimmer and P. Doornenbal and W. Korten and P. Aguilera and A. Algora and T. Ando and T. Arici and H. Baba and B. Blank and A. Boso and S. Chen and A. Corsi and P. Davies and {de Angelis}, G. and {de France}, G. and Doherty, {D. T.} and J. Gerl and R. Gernh{\"a}user and Jenkins, {D. G.} and S. Koyama and T. Motobayashi and S. Nagamine and M. Niikura and A. Obertelli and D. Lubos and B. Rubio and E. Sahin and Saito, {T. Y.} and H. Sakurai and L. Sinclair and D. Steppenbeck and R. Taniuchi and R. Wadsworth and M. Zielinska",

note = "{\textcopyright} 2019 The Authors.",

year = "2019",

month = aug,

day = "10",

doi = "10.1016/j.physletb.2019.06.014",

language = "English",

volume = "795",

pages = "266--270",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

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Wimmer, K, Doornenbal, P, Korten, W, Aguilera, P, Algora, A, Ando, T, Arici, T, Baba, H, Blank, B, Boso, A, Chen, S, Corsi, A, Davies, P, de Angelis, G, de France, G, Doherty, DT, Gerl, J, Gernhäuser, R, Jenkins, DG, Koyama, S, Motobayashi, T, Nagamine, S, Niikura, M, Obertelli, A, Lubos, D, Rubio, B, Sahin, E, Saito, TY, Sakurai, H, Sinclair, L, Steppenbeck, D, Taniuchi, R , Wadsworth, R & Zielinska, M 2019, 'Discovery of ⁶⁸Br in secondary reactions of radioactive beams', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 795, pp. 266-270. https://doi.org/10.1016/j.physletb.2019.06.014

TY - JOUR

T1 - Discovery of 68Br in secondary reactions of radioactive beams

AU - Wimmer, K.

AU - Doornenbal, P.

AU - Korten, W.

AU - Aguilera, P.

AU - Algora, A.

AU - Ando, T.

AU - Arici, T.

AU - Baba, H.

AU - Blank, B.

AU - Boso, A.

AU - Chen, S.

AU - Corsi, A.

AU - Davies, P.

AU - de Angelis, G.

AU - de France, G.

AU - Doherty, D. T.

AU - Gerl, J.

AU - Gernhäuser, R.

AU - Jenkins, D. G.

AU - Koyama, S.

AU - Motobayashi, T.

AU - Nagamine, S.

AU - Niikura, M.

AU - Obertelli, A.

AU - Lubos, D.

AU - Rubio, B.

AU - Sahin, E.

AU - Saito, T. Y.

AU - Sakurai, H.

AU - Sinclair, L.

AU - Steppenbeck, D.

AU - Taniuchi, R.

AU - Wadsworth, R.

AU - Zielinska, M.

PY - 2019/8/10

Y1 - 2019/8/10

N2 - The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary 9Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based on the expected direct production cross sections from neighboring isotopes, the lifetime of the ground or long-lived isomeric state of 68Br was estimated. The results suggest that secondary fragmentation reactions, where relatively few nucleons are removed from the projectile, offer an alternative way to search for new isotopes, as these reactions populate preferentially low-lying states.

AB - The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary 9Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based on the expected direct production cross sections from neighboring isotopes, the lifetime of the ground or long-lived isomeric state of 68Br was estimated. The results suggest that secondary fragmentation reactions, where relatively few nucleons are removed from the projectile, offer an alternative way to search for new isotopes, as these reactions populate preferentially low-lying states.

KW - Direct reaction

KW - New isotope

KW - Radioactive beams

UR - http://www.scopus.com/inward/record.url?scp=85067849206&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2019.06.014

DO - 10.1016/j.physletb.2019.06.014

M3 - Article

AN - SCOPUS:85067849206

SN - 0370-2693

VL - 795

SP - 266

EP - 270

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -

Discovery of ⁶⁸Br in secondary reactions of radioactive beams

Abstract

Bibliographical note

Keywords

Access to Document

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Nuclear Physics Consolidated Grant

Nuclear Physics Consolidated Grant

Cite this

Discovery of 68Br in secondary reactions of radioactive beams

Abstract

Bibliographical note

Keywords

Access to Document

Other files and links

Projects

Nuclear Physics Consolidated Grant

Nuclear Physics Consolidated Grant

Cite this

Discovery of ⁶⁸Br in secondary reactions of radioactive beams