Two-nucleon -wave interactions at the SU(3) flavor-symmetric point with : A first lattice QCD calculation with the stochastic Laplacian Heaviside method
Abstract
We report on the first application of the stochastic Laplacian Heaviside method for computing multiparticle interactions with lattice QCD to the two-nucleon system. Like the Laplacian Heaviside method, this method allows for the construction of interpolating operators which can be used to construct a set of positive-definite two-nucleon correlation functions, unlike nearly all other applications of lattice QCD to two nucleons in the literature. It also allows for a variational analysis in which optimal linear combinations of the interpolating operators are formed that couple predominantly to the eigenstates of the system. Utilizing such methods has become of paramount importance to help resolve the discrepancy in the literature on whether two nucleons in either isospin channel form a bound state at pion masses heavier than physical, with the discrepancy persisting even in the SU(3)-flavor-symmetric point with all quark masses near the physical strange quark mass. This is the first in a series of papers aimed at resolving this discrepancy. In the present work, we employ the stochastic Laplacian Heaviside method without a hexaquark operator in the basis at a lattice spacing of a ≈ 0.086 fm, lattice volume of L=48 a ≈ 4.1 fm and pion mass mπ ≈ 714 MeV.more »
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1771842
- Alternate Identifier(s):
- OSTI ID: 1810792; OSTI ID: 1820550
- Report Number(s):
- LLNL-JRNL-813871
Journal ID: ISSN 2469-9985; PRVCAN; 014003
- Grant/Contract Number:
- AC02-05CH11231; AC05-00OR22725; AC52-07NA27344; FG02-93ER-40762
- Resource Type:
- Published Article
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Name: Physical Review C Journal Volume: 103 Journal Issue: 1; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Hörz, Ben, Howarth, Dean, Rinaldi, Enrico, Hanlon, Andrew, Chang, Chia Cheng, Körber, Christopher, Berkowitz, Evan, Bulava, John, Clark, M. A., Lee, Wayne Tai, Morningstar, Colin, Nicholson, Amy, Vranas, Pavlos, and Walker-Loud, André. Two-nucleon S -wave interactions at the SU(3) flavor-symmetric point with m u d ≈ m s phys : A first lattice QCD calculation with the stochastic Laplacian Heaviside method. United States: N. p., 2021.
Web. doi:10.1103/PhysRevC.103.014003.
Hörz, Ben, Howarth, Dean, Rinaldi, Enrico, Hanlon, Andrew, Chang, Chia Cheng, Körber, Christopher, Berkowitz, Evan, Bulava, John, Clark, M. A., Lee, Wayne Tai, Morningstar, Colin, Nicholson, Amy, Vranas, Pavlos, & Walker-Loud, André. Two-nucleon S -wave interactions at the SU(3) flavor-symmetric point with m u d ≈ m s phys : A first lattice QCD calculation with the stochastic Laplacian Heaviside method. United States. https://doi.org/10.1103/PhysRevC.103.014003
Hörz, Ben, Howarth, Dean, Rinaldi, Enrico, Hanlon, Andrew, Chang, Chia Cheng, Körber, Christopher, Berkowitz, Evan, Bulava, John, Clark, M. A., Lee, Wayne Tai, Morningstar, Colin, Nicholson, Amy, Vranas, Pavlos, and Walker-Loud, André. Tue .
"Two-nucleon S -wave interactions at the SU(3) flavor-symmetric point with m u d ≈ m s phys : A first lattice QCD calculation with the stochastic Laplacian Heaviside method". United States. https://doi.org/10.1103/PhysRevC.103.014003.
@article{osti_1771842,
title = {Two-nucleon S -wave interactions at the SU(3) flavor-symmetric point with m u d ≈ m s phys : A first lattice QCD calculation with the stochastic Laplacian Heaviside method},
author = {Hörz, Ben and Howarth, Dean and Rinaldi, Enrico and Hanlon, Andrew and Chang, Chia Cheng and Körber, Christopher and Berkowitz, Evan and Bulava, John and Clark, M. A. and Lee, Wayne Tai and Morningstar, Colin and Nicholson, Amy and Vranas, Pavlos and Walker-Loud, André},
abstractNote = {We report on the first application of the stochastic Laplacian Heaviside method for computing multiparticle interactions with lattice QCD to the two-nucleon system. Like the Laplacian Heaviside method, this method allows for the construction of interpolating operators which can be used to construct a set of positive-definite two-nucleon correlation functions, unlike nearly all other applications of lattice QCD to two nucleons in the literature. It also allows for a variational analysis in which optimal linear combinations of the interpolating operators are formed that couple predominantly to the eigenstates of the system. Utilizing such methods has become of paramount importance to help resolve the discrepancy in the literature on whether two nucleons in either isospin channel form a bound state at pion masses heavier than physical, with the discrepancy persisting even in the SU(3)-flavor-symmetric point with all quark masses near the physical strange quark mass. This is the first in a series of papers aimed at resolving this discrepancy. In the present work, we employ the stochastic Laplacian Heaviside method without a hexaquark operator in the basis at a lattice spacing of a ≈ 0.086 fm, lattice volume of L=48 a ≈ 4.1 fm and pion mass mπ ≈ 714 MeV. With this setup, the observed spectrum of two-nucleon energy levels strongly disfavors the presence of a bound state in either the deuteron or dineutron channel.},
doi = {10.1103/PhysRevC.103.014003},
journal = {Physical Review C},
number = 1,
volume = 103,
place = {United States},
year = {Tue Jan 19 00:00:00 EST 2021},
month = {Tue Jan 19 00:00:00 EST 2021}
}
https://doi.org/10.1103/PhysRevC.103.014003
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