Structure of the $N=27$ isotones derived from the $^{44}\mathrm{Ar}$($d,p$)$^{45}\mathrm{Ar}$ reaction

Structure of the $N = 27$ isotones derived from the ${}^{44}{Ar}$ ( $d, p$ ) ${}^{45}{Ar}$ reaction

L. Gaudefroy, O. Sorlin, F. Nowacki, D. Beaumel, Y. Blumenfeld, Z. Dombrádi, S. Fortier, S. Franchoo, S. Grévy, F. Hammache, K. W. Kemper, K. L. Kratz, M. G. St. Laurent, S. M. Lukyanov, L. Nalpas, A. N. Ostrowski, Yu.-E. Penionzhkevich, E. C. Pollacco, P. Roussel, P. Roussel-Chomaz, D. Sohler, M. Stanoiu, and E. Tryggestad

Phys. Rev. C 78, 034307 – Published 11 September 2008

Abstract

The ${}^{44}{Ar}$ ( $d, p$ ) ${}^{45}{Ar}$ neutron transfer reaction was performed at $10 A$ MeV. Measured excitation energies, deduced angular momenta, and spectroscopic factors of the states populated in ${}^{45}{Ar}$ are reported. A satisfactory description of these properties is achieved in the shell model framework using a new $sdpf$ interaction. The model analysis is extended to more exotic even- $Z$ nuclei down to $_{14}^{41} {Si}_{27}$ to study how collectivity impacts the low-lying structure of $N = 27$ neutron-rich nuclei.

Received 23 May 2008

DOI:https://doi.org/10.1103/PhysRevC.78.034307

Authors & Affiliations

L. Gaudefroy^1,2, O. Sorlin^1,3, F. Nowacki⁴, D. Beaumel¹, Y. Blumenfeld¹, Z. Dombrádi⁵, S. Fortier¹, S. Franchoo¹, S. Grévy³, F. Hammache¹, K. W. Kemper⁶, K. L. Kratz^7,8, M. G. St. Laurent³, S. M. Lukyanov⁹, L. Nalpas¹⁰, A. N. Ostrowski¹¹, Yu.-E. Penionzhkevich⁹, E. C. Pollacco¹⁰, P. Roussel¹, P. Roussel-Chomaz³, D. Sohler⁵, M. Stanoiu¹, and E. Tryggestad¹

¹IPN, IN2P3-CNRS, F-91406 Orsay Cedex, France
²CEA/DAM/DIF/DPTA/SPN Bruyères-le-Châtel, F-91297 ARPAJON Cedex, France
³Grand Accérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS-IN2P3, Bd Henri Becquerel, BP 55027, F-14076 Caen Cedex 5, France
⁴IReS, Univ. Louis Pasteur, BP 28, F-67037 Strasbourg Cedex, France
⁵Institute of Nuclear Research, H-4001 Debrecen, Pf. 51, Hungary
⁶Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
⁷Max-Planck-Institut für Chemie, Otto-Hahn-Institut, D-55128 Mainz, Germany
⁸HGF Virtuelles Institut für Struktur der Kerne und Nukleare Astrophysik (VISTARS), D-55128 Mainz, Germany
⁹FLNR/JINR, 141980 Dubna, Moscow region, Russia
¹⁰CEA-Saclay, DAPNIA-SPhN, F-91191 Gif sur Yvette Cedex, France
¹¹Institut für Kernchemie, Universität Mainz, D-55128 Mainz, Germany

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Vol. 78, Iss. 3 — September 2008

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Physical Review C

covering nuclear physics

Structure of the $N = 27$ isotones derived from the ${}^{44}{Ar}$ ( $d, p$ ) ${}^{45}{Ar}$ reaction

Phys. Rev. C 78, 034307 – Published 11 September 2008

Abstract

Authors & Affiliations

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Physical Review C

covering nuclear physics

Structure of the N=27 isotones derived from the Ar44(d,p)Ar45 reaction

Phys. Rev. C 78, 034307 – Published 11 September 2008

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Structure of the $N = 27$ isotones derived from the ${}^{44}{Ar}$ ( $d, p$ ) ${}^{45}{Ar}$ reaction