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The anapole moment of the deuteron with the Argonne v18 nucleon-nucleon interaction model

Abstract : We calculate the deuteron anapole moment with the wave functions obtained from the Argonne $v18$ nucleon-nucleon interaction model. The anapole moment operators are considered at the leading order. To minimize the uncertainty due to a lack of current conservation, we calculate the matrix element of the anapole moment from the original definition. In virtue of accurate wave functions, we can obtain a more precise value of the deuteron anapole moment which contains less uncertainty than the former works. We obtain a result reduced by more than 25% in the magnitude of the deuteron anapole moment. The reduction of individual nuclear contributions is much more important however, varying from a factor 2 for the spin part to a factor 4 for the convection and associated two-body currents.
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http://hal.in2p3.fr/in2p3-00012263
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Submitted on : Tuesday, January 7, 2003 - 3:51:29 PM
Last modification on : Thursday, November 19, 2020 - 12:58:37 PM
Long-term archiving on: : Tuesday, March 30, 2010 - 5:43:40 PM

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  • HAL Id : in2p3-00012263, version 1

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C.H. Hyun, B. Desplanques. The anapole moment of the deuteron with the Argonne v18 nucleon-nucleon interaction model. Physics Letters B, Elsevier, 2003, 552, pp.41-47. ⟨in2p3-00012263⟩

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