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Constraints on Skyrme Force Parameterizations

Stevenson, P D and Goddard, P M (2012) Constraints on Skyrme Force Parameterizations In: XXXI Rila Mountain Workshop, 24 - 30 Jun 2012, Rila Mountains, Bulgaria.

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Since its first use in Hartree-Fock calculations in 1972, the Skyrme Force, which includes around ten free parameters to be fitted to data, has un- dergone many such fitting procedures to different sets of data. To date there have been more than 200 parameter sets published. Since the Skyrme force can be thought of as an expansion of an in principle exact density functional, the Skyrme force has sufficient degrees of freedom that the different parameter sets can differ from each other quite extensively in how they reproduce the properties of nuclei. We give a selected history of the fitting of Skyrme forces, then ex- plore some recent work on systematically testing each parameterisation against experimentally-derived nuclear matter properties, and discuss the ability of the (few) parameter sets which pass all constraints to reproduce data in finite nuclei.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Stevenson, P
Goddard, P
Date : 2012
Additional Information : Published in NUCLEAR THEORY Vol 31 (2012) pp. 154-163 Eds. Georgieva, A. and Minkov, N. Heron Press, Sofia. Reproduced here with permission of the publisher.
Depositing User : Paul Stevenson
Date Deposited : 13 Feb 2013 14:46
Last Modified : 23 Sep 2013 19:58

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