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Evidence for a smooth onset of deformation in the neutron-rich Kr isotopes

Albers, M. ; Warr, N. ; Nomura, K. ; Blazhev, A. ; Jolie, J. ; Mücher, D. ; Bastin, B. ; Bauer, C. ; Bernards, C. and Bettermann, L. , et al. (2012) In Physical Review Letters 108(6).
Abstract

The neutron-rich nuclei Kr94,96 were studied via projectile Coulomb excitation at the REX-ISOLDE facility at CERN. Level energies of the first excited 2 + states and their absolute E2 transition strengths to the ground state are determined and discussed in the context of the E(21+) and B(E2;21+→01+) systematics of the krypton chain. Contrary to previously published results no sudden onset of deformation is observed. This experimental result is supported by a new proton-neutron interacting boson model calculation based on the constrained Hartree-Fock-Bogoliubov approach using the microscopic Gogny-D1M energy density functional.

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publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
108
issue
6
article number
062701
publisher
American Physical Society
external identifiers
  • scopus:84856820522
ISSN
0031-9007
DOI
10.1103/PhysRevLett.108.062701
language
English
LU publication?
no
id
58ed8d81-9a7f-45b8-b860-0f1cc068e7ef
date added to LUP
2016-12-20 14:05:34
date last changed
2022-10-17 12:25:31
@article{58ed8d81-9a7f-45b8-b860-0f1cc068e7ef,
  abstract     = {{<p>The neutron-rich nuclei Kr94,96 were studied via projectile Coulomb excitation at the REX-ISOLDE facility at CERN. Level energies of the first excited 2 <sup>+</sup> states and their absolute E2 transition strengths to the ground state are determined and discussed in the context of the E(21+) and B(E2;21+→01+) systematics of the krypton chain. Contrary to previously published results no sudden onset of deformation is observed. This experimental result is supported by a new proton-neutron interacting boson model calculation based on the constrained Hartree-Fock-Bogoliubov approach using the microscopic Gogny-D1M energy density functional.</p>}},
  author       = {{Albers, M. and Warr, N. and Nomura, K. and Blazhev, A. and Jolie, J. and Mücher, D. and Bastin, B. and Bauer, C. and Bernards, C. and Bettermann, L. and Bildstein, V. and Butterworth, J. and Cappellazzo, M. and Cederkäll, J. and Cline, D. and Darby, I. and Das Gupta, S. and Daugas, J. M. and Davinson, T. and De Witte, H. and Diriken, J. and Filipescu, D. and Fiori, E. and Fransen, C. and Gaffney, L. P. and Georgiev, G. and Gernhäuser, R. and Hackstein, M. and Heinze, S. and Hess, H. and Huyse, M. and Jenkins, D. and Konki, J. and Kowalczyk, M. and Kröll, T. and Krücken, R. and Litzinger, J. and Lutter, R. and Marginean, N. and Mihai, C. and Moschner, K. and Napiorkowski, P. and Nara Singh, B. S. and Nowak, K. and Otsuka, T. and Pakarinen, J. and Pfeiffer, M. and Radeck, D. and Reiter, P. and Rigby, S. and Robledo, L. M. and Rodríguez-Guzmán, R. and Rudigier, M. and Sarriguren, P. and Scheck, M. and Seidlitz, M. and Siebeck, B. and Simpson, G. and Thöle, P. and Thomas, T. and Van De Walle, J. and Van Duppen, P. and Vermeulen, M. and Voulot, D. and Wadsworth, R. and Wenander, F. and Wimmer, K. and Zell, K. O. and Zielinska, M.}},
  issn         = {{0031-9007}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{6}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Evidence for a smooth onset of deformation in the neutron-rich Kr isotopes}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.108.062701}},
  doi          = {{10.1103/PhysRevLett.108.062701}},
  volume       = {{108}},
  year         = {{2012}},
}