Deuteron magnetic quadrupole moment from chiral effective field theory

C. P. Liu, J. de Vries, E. Mereghetti, R. G E Timmermans, Ubirajara Van Kolck

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Abstract

We calculate the magnetic quadrupole moment (MQM) of the deuteron at leading order in the systematic expansion provided by chiral effective field theory. We take into account parity (P) and time-reversal (T) violation which, at the quark-gluon level, results from the QCD vacuum angle and dimension-six operators that originate from physics beyond the Standard Model. We show that the deuteron MQM can be expressed in terms of five low-energy constants that appear in the P- and T-violating nuclear potential and electromagnetic current, four of which also contribute to the electric dipole moments of light nuclei. We conclude that the deuteron MQM has an enhanced sensitivity to the QCD vacuum angle and that its measurement would be complementary to the proposed measurements of light-nuclear EDMs.

Original languageEnglish (US)
Pages (from-to)447-452
Number of pages6
JournalPhysics Letters B
Volume713
Issue number4-5
DOIs
Publication statusPublished - Jul 18 2012

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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