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Title: Low energy determination of the QCD strong coupling constant on the lattice

Here we present a determination of the strong coupling constant from lattice QCD using the moments of pseudo-scalar charmonium correlators calculated using highly improved staggerered quark action. We obtain a value α s( μ = mc) = 0.3397(56), which is the lowest energy determination of the strong coupling constant so far.
Authors:
 [1] ;  [2]
  1. Kyoto Univ. (Japan). Yukawa Inst. for Theoretical Physics
  2. Brookhaven National Lab. (BNL), Upton, NY (United States).Physics Dept.
Publication Date:
Report Number(s):
BNL-113230-2016-JA
Journal ID: ISSN 0217-7323; R&D Project: KB0301020; KB0301020; TRN: US1701602
Grant/Contract Number:
SC0012704
Type:
Accepted Manuscript
Journal Name:
Modern Physics Letters A
Additional Journal Information:
Journal Volume: 31; Journal Issue: 30; Journal ID: ISSN 0217-7323
Publisher:
World Scientific Publishing
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Under Secretary for Science (S-4)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
OSTI Identifier:
1338596