Axial-Current Matrix Elements in Light Nuclei from Lattice QCD
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ICHEP2016_506.pdf
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Author(s)
Davoudi, Zohreh
Detmold, William
Shanahan, Phiala E
Date Issued
August 2016
Journal
Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)
Publisher
Sissa Medialab
Citation
Savage, Martin, Silas Beane, Emmanuel Chang, Zohreh Davoudi, William Detmold, Kostas Orginos, Phiala Shanahan, et al. “Axial-Current Matrix Elements in Light Nuclei from Lattice QCD.” In Proceedings of 38th International Conference on High Energy Physics, PoS(ICHEP2016) (February 6, 2017).
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Final published version
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 ββ-decay rates of nuclei. In addition, they are expected to shed light on the phenomenological quenching of gA that is required in nuclear many-body calculations.
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Center for Theoretical Physics
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DOI of Published Version
https://doi.org/10.22323/1.282.0506
