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Axial-Current Matrix Elements in Light Nuclei from Lattice QCD

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 06 Feb 2017Embargo end date: 01 Jan 2016 United States Publisher:Sissa MedialabJournal:Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

Authors: Michael L. Wagman; Silas R. Beane; William Detmold; Emmanuel Chang; Martin J. Savage; Phiala E. Shanahan; Frank Winter; +3 Authors

doi: 10.22323/1.282.0506 , 10.48550/arxiv.1611.00344

arXiv: http://arxiv.org/abs/1611.00344

handle: 1721.1/121559

Axial-Current Matrix Elements in Light Nuclei from Lattice QCD

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Abstract

I present results from the first lattice QCD calculations of axial-current matrix elements in light nuclei, performed by the NPLQCD collaboration. Precision calculations of these matrix elements, and the subsequent extraction of multi-nucleon axial-current operators, are essential in refining theoretical predictions of the proton-proton fusion cross section, neutrino-nucleus cross sections and $��$-decay rates of nuclei. In addition, they are expected to shed light on the phenomenological quenching of $g_A$ that is required in nuclear many-body calculations.

Conference Proceedings from the 38th International Conference on High Energy Physics, 3-10 August 2016, Chicago, USA

Country

United States

Related Organizations

William & Mary
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Washington State University
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Massachusetts Institute of Technology
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Brookhaven National Laboratory
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Department of Physics University of Washington
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Keywords

Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences

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