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Spin-excitation mechanisms in Skyrme-force time-dependent Hartree-Fock calculations

Maruhn, JA, Reinhard, P-G, Stevenson, PD and Strayer, MR (2006) Spin-excitation mechanisms in Skyrme-force time-dependent Hartree-Fock calculations PHYSICAL REVIEW C, 74 (2). ? - ?. ISSN 0556-2813


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We investigate the role of odd-odd (with respect to time inversion) couplings in the Skyrme force on collisions of light nuclei, employing a fully three-dimensional numerical treatment without any symmetry restrictions and with modern Skyrme functionals. We demonstrate the necessity of these couplings to suppress spurious spin excitations owing to the spin-orbit force in free translational motion of a nucleus but show that in a collision situation there is a strong spin excitation even in spin-saturated systems which persists in the departing fragments. The energy loss is considerably increased by the odd-odd terms.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Nuclear, Physics, MEAN-FIELD CALCULATIONS, HEAVY-ION COLLISIONS, NUCLEAR-STRUCTURE, FUSION, PARAMETRIZATION, MODELS
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Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:09
Last Modified: 23 Sep 2013 18:28

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