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

Maezawa, Yu; Petreczky, Peter

doi:10.1142/S0217732316300330

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

Journal Article · Wed Sep 28 00:00:00 EDT 2016 · Modern Physics Letters A

DOI:https://doi.org/10.1142/S0217732316300330· OSTI ID:1338596

Maezawa, Yu ^[1]; Petreczky, Peter ^[2]

Kyoto Univ. (Japan). Yukawa Inst. for Theoretical Physics
Brookhaven National Lab. (BNL), Upton, NY (United States).Physics Dept.

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.

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Research Organization:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Under Secretary for Science (S-4)

Grant/Contract Number:: SC0012704

OSTI ID:: 1338596

Report Number(s):: BNL-113230-2016-JA; R&D Project: KB0301020; KB0301020; TRN: US1701602

Journal Information:: Modern Physics Letters A, Vol. 31, Issue 30; ISSN 0217-7323

Publisher:: World Scientific PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 1 work

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References (19)

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