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In-beam gamma-ray spectroscopy and inclusive two-proton knockout cross section measurements at N approximate to 40

Adrich, P, Amthor, AM, Bazin, D, Bowen, MD, Brown, BA, Campbell, CM, Cook, JM, Gade, A, Galaviz, D, Glasmacher, T, McDaniel, S, Miller, D, Obertelli, A, Shimbara, Y, Siwek, KP, Tostevin, JA and Weisshaar, D (2008) In-beam gamma-ray spectroscopy and inclusive two-proton knockout cross section measurements at N approximate to 40 PHYS REV C, 77 (5). ISSN 0556-2813

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Abstract

In-beam gamma-ray spectroscopy of Fe-66,Fe-68 following intermediate-energy one- and two-proton knockout from cobalt and nickel secondary beams has been performed at the National Superconducting Cyclotron Laboratory. New transitions have been observed in Fe-66 and Fe-68. This is the first observation of gamma-ray transitions in Fe-68. In addition, Cr-64 was produced using the Be-9(Fe-66,Cr-64)X two-proton knockout reaction. An unexpectedly low inclusive cross section is observed for this reaction, an order of magnitude smaller than for the Be-9(Ni-68,Fe-66)X reaction. This observation is discussed in terms of a significant structural difference between Fe-66 and Cr-64 and considerable admixtures of nu(pf)(n-2) (g(9/2))(+2) configurations in the ground and excited states of Cr-64 at N = 40.

Item Type: Article
Uncontrolled Keywords: SHELL STRUCTURE, DRIP LINES, ISOTOPES, NUCLEI, DEFORMATION, DECAY, PARTICLE, REGION
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:07
Last Modified: 23 Sep 2013 18:26
URI: http://epubs.surrey.ac.uk/id/eprint/254

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