Flavor diagonal tensor charges of the nucleon from ( )-flavor lattice QCD
Abstract
We present state-of-the-art results for the matrix elements of flavor diagonal tensor operators within the nucleon state. The calculation of the dominant connected contribution is done using eleven ensembles of gauge configurations generated by the MILC collaboration using the HISQ action with 2+1+1 dynamical flavors. The calculation of the disconnected contributions is done using seven (six) ensembles for the strange (light) quarks. These high statistics simulations allowed us to address various systematic uncertainties. A simultaneous fit in the lattice spacing and the light-quark mass is used to extract the tensor charges for the proton in the continuum limit and at MPi = 135 MeV: guT = 0:784(28), gdT= -0:204(11) and gsT= -0:0027(16). Implications of these results for constraining the quark electric dipole moments and their contributions to the neutron electric dipole moment are discussed.
- Authors:
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- PNDME Collaboration
- OSTI Identifier:
- 1481814
- Alternate Identifier(s):
- OSTI ID: 1482954; OSTI ID: 1484890
- Report Number(s):
- LA-UR-18-28007; BNL-209650-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 091501
- Grant/Contract Number:
- AC02-05CH11231; AC05-00OR22725; AC52-06NA25396; 89233218CNA000001; SC0012704
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 9; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Atomic, Nuclear and Particle Physics; Tensor charges, Lattice QCD; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; lattice; QCD; nucleon; mass; quark; flavors; tensor; algorithm; matrix; operators
Citation Formats
Gupta, Rajan, Yoon, Boram, Bhattacharya, Tanmoy, Cirigliano, Vincenzo, Jang, Yong-Chull, and Lin, Huey-Wen. Flavor diagonal tensor charges of the nucleon from ( 2 + 1 + 1 )-flavor lattice QCD. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.091501.
Gupta, Rajan, Yoon, Boram, Bhattacharya, Tanmoy, Cirigliano, Vincenzo, Jang, Yong-Chull, & Lin, Huey-Wen. Flavor diagonal tensor charges of the nucleon from ( 2 + 1 + 1 )-flavor lattice QCD. United States. https://doi.org/10.1103/PhysRevD.98.091501
Gupta, Rajan, Yoon, Boram, Bhattacharya, Tanmoy, Cirigliano, Vincenzo, Jang, Yong-Chull, and Lin, Huey-Wen. Mon .
"Flavor diagonal tensor charges of the nucleon from ( 2 + 1 + 1 )-flavor lattice QCD". United States. https://doi.org/10.1103/PhysRevD.98.091501.
@article{osti_1481814,
title = {Flavor diagonal tensor charges of the nucleon from ( 2 + 1 + 1 )-flavor lattice QCD},
author = {Gupta, Rajan and Yoon, Boram and Bhattacharya, Tanmoy and Cirigliano, Vincenzo and Jang, Yong-Chull and Lin, Huey-Wen},
abstractNote = {We present state-of-the-art results for the matrix elements of flavor diagonal tensor operators within the nucleon state. The calculation of the dominant connected contribution is done using eleven ensembles of gauge configurations generated by the MILC collaboration using the HISQ action with 2+1+1 dynamical flavors. The calculation of the disconnected contributions is done using seven (six) ensembles for the strange (light) quarks. These high statistics simulations allowed us to address various systematic uncertainties. A simultaneous fit in the lattice spacing and the light-quark mass is used to extract the tensor charges for the proton in the continuum limit and at MPi = 135 MeV: guT = 0:784(28), gdT= -0:204(11) and gsT= -0:0027(16). Implications of these results for constraining the quark electric dipole moments and their contributions to the neutron electric dipole moment are discussed.},
doi = {10.1103/PhysRevD.98.091501},
journal = {Physical Review. D.},
number = 9,
volume = 98,
place = {United States},
year = {Mon Nov 12 00:00:00 EST 2018},
month = {Mon Nov 12 00:00:00 EST 2018}
}
https://doi.org/10.1103/PhysRevD.98.091501
Web of Science
Figures / Tables:
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