Magnetic moments of light nuclei from lattice quantum chromodynamics
Abstract
We present the results of lattice QCD calculations of the magnetic moments of the lightest nuclei, the deuteron, the triton and 3He, along with those of the neutron and proton. These calculations, performed at quark masses corresponding to mπ ~ 800 MeV, reveal that the structure of these nuclei at unphysically heavy quark masses closely resembles that at the physical quark masses. We find that the magnetic moment of 3He differs only slightly from that of a free neutron, as is the case in nature, indicating that the shell-model configuration of two spin-paired protons and a valence neutron captures its dominant structure. Similarly a shell-model-like moment is found for the triton, μ3H ~ μp. The deuteron magnetic moment is found to be equal to the nucleon isoscalar moment within the uncertainties of the calculations.
- Authors:
-
- Univ. of Washington, Seattle, WA (United States)
- Univ. of Washington, Seattle, WA (United States); Institute for Nuclear Theory, Seattle, WA (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- College of William and Mary, Williamsburg, VA (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Univ. de Barcelona (Spain)
- The City College of New York, New York, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Org.:
- NPLQCD Collaboration
- OSTI Identifier:
- 1165539
- Alternate Identifier(s):
- OSTI ID: 1180812
- Report Number(s):
- JLAB-THY-14-1951; arXiv:1409.3556; DOE/OR/23177-3178
Journal ID: ISSN 0031-9007; PRLTAO; ArticleNumber: 252001
- Grant/Contract Number:
- PHY1206498; PHY1205778; OCI-1053575; FG02-00ER41132; SC0010495; FG02-04ER41302; AC05-06OR23177; FG02-97ER4014; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 113; Journal Issue: 25; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Beane, S. R., Chang, E., Cohen, S., Detmold, W., Lin, H. W., Orginos, K., Parreño, A., Savage, M. J., and Tiburzi, B. C. Magnetic moments of light nuclei from lattice quantum chromodynamics. United States: N. p., 2014.
Web. doi:10.1103/PhysRevLett.113.252001.
Beane, S. R., Chang, E., Cohen, S., Detmold, W., Lin, H. W., Orginos, K., Parreño, A., Savage, M. J., & Tiburzi, B. C. Magnetic moments of light nuclei from lattice quantum chromodynamics. United States. https://doi.org/10.1103/PhysRevLett.113.252001
Beane, S. R., Chang, E., Cohen, S., Detmold, W., Lin, H. W., Orginos, K., Parreño, A., Savage, M. J., and Tiburzi, B. C. Tue .
"Magnetic moments of light nuclei from lattice quantum chromodynamics". United States. https://doi.org/10.1103/PhysRevLett.113.252001. https://www.osti.gov/servlets/purl/1165539.
@article{osti_1165539,
title = {Magnetic moments of light nuclei from lattice quantum chromodynamics},
author = {Beane, S. R. and Chang, E. and Cohen, S. and Detmold, W. and Lin, H. W. and Orginos, K. and Parreño, A. and Savage, M. J. and Tiburzi, B. C.},
abstractNote = {We present the results of lattice QCD calculations of the magnetic moments of the lightest nuclei, the deuteron, the triton and 3He, along with those of the neutron and proton. These calculations, performed at quark masses corresponding to mπ ~ 800 MeV, reveal that the structure of these nuclei at unphysically heavy quark masses closely resembles that at the physical quark masses. We find that the magnetic moment of 3He differs only slightly from that of a free neutron, as is the case in nature, indicating that the shell-model configuration of two spin-paired protons and a valence neutron captures its dominant structure. Similarly a shell-model-like moment is found for the triton, μ3H ~ μp. The deuteron magnetic moment is found to be equal to the nucleon isoscalar moment within the uncertainties of the calculations.},
doi = {10.1103/PhysRevLett.113.252001},
journal = {Physical Review Letters},
number = 25,
volume = 113,
place = {United States},
year = {Tue Dec 16 00:00:00 EST 2014},
month = {Tue Dec 16 00:00:00 EST 2014}
}
Web of Science
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