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Spectroscopy of Mg-36: Interplay of normal and intruder configurations at the neutron-rich boundary of the "Island of Inversion"

Gade, A, Adrich, P, Bazin, D, Bowen, MD, Brown, BA, Campbell, CM, Cook, JM, Ettenauer, S, Glasmacher, T, Kemper, KW, McDaniel, S, Obertelli, A, Otsuka, T, Ratkiewicz, A, Siwek, K, Terry, JR, Tostevin, JA, Utsuno, Y and Weisshaar, D (2007) Spectroscopy of Mg-36: Interplay of normal and intruder configurations at the neutron-rich boundary of the "Island of Inversion" PHYSICAL REVIEW LETTERS, 99 (7). ? - ?. ISSN 0031-9007

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Abstract

We report on the first spectroscopy study of the very neutron-rich nucleus Mg-36(12)24 using the direct two-proton knockout reaction Be-9(Si-38,Mg-36 + gamma)X at 83 MeV/nucleon. The energy of the first excited 2(+) state of Mg-36, E(2(1)(+)) = 660(6) keV, was measured. The magnitude of the partial cross sections to the ground state and the 2(1)(+) state is indicative of strong intruder admixtures in the lowest-lying states as suggested by Monte Carlo shell-model calculations.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, SHELL-MODEL, ISOTOPES, COLLECTIVITY, NUCLEI
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Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:08
Last Modified: 23 Sep 2013 18:27
URI: http://epubs.surrey.ac.uk/id/eprint/399

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