Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD

A finite-size technique is employed to compute the normalization constant $Z_A$ of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling $g_0$ ranging from 0 to 1. In the lattice action and the lattice expressio...

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Detalles Bibliográficos
Autores principales: Luscher, Martin, Sint, Stefan, Sommer, Rainer, Wittig, Hartmut
Lenguaje:eng
Publicado: 1996
Materias:
Particle Physics - Lattice
Acceso en línea:https://dx.doi.org/10.1016/S0550-3213(97)00087-4
http://cds.cern.ch/record/315040
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author Luscher, Martin
Sint, Stefan
Sommer, Rainer
Wittig, Hartmut
author_facet Luscher, Martin
Sint, Stefan
Sommer, Rainer
Wittig, Hartmut
author_sort Luscher, Martin
collection CERN
description A finite-size technique is employed to compute the normalization constant $Z_A$ of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling $g_0$ ranging from 0 to 1. In the lattice action and the lattice expression for the axial current we include the counterterms required for O(a) improvement, with non-perturbatively determined coefficients. With little additional work the normalization constant $Z_V$ of the improved isospin current is also obtained.
id cern-315040
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1996
record_format invenio
spelling cern-3150402023-03-12T05:57:15Zdoi:10.1016/S0550-3213(97)00087-4http://cds.cern.ch/record/315040engLuscher, MartinSint, StefanSommer, RainerWittig, HartmutNon-perturbative determination of the axial current normalization constant in O(a) improved lattice QCDParticle Physics - LatticeA finite-size technique is employed to compute the normalization constant $Z_A$ of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling $g_0$ ranging from 0 to 1. In the lattice action and the lattice expression for the axial current we include the counterterms required for O(a) improvement, with non-perturbatively determined coefficients. With little additional work the normalization constant $Z_V$ of the improved isospin current is also obtained.A finite-size technique is employed to compute the normalization constant $Z_A$ of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling $g_0$ ranging from 0 to 1. In the lattice action and the lattice expression for the axial current we include the counterterms required for O(a) improvement, with non-perturbatively determined coefficients. With little additional work the normalization constant $Z_V$ of the improved isospin current is also obtained.A finite-size technique is employed to compute the normalization constant $Z_A$ of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling $g_0$ ranging from 0 to 1. In the lattice action and the lattice expression for the axial current we include the counterterms required for O(a) improvement, with non-perturbatively determined coefficients. With little additional work the normalization constant $Z_V$ of the improved isospin current is also obtained.A finite-size technique is employed to compute the normalization constant Z A of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approximation for values of the bare gauge coupling g 0 ranging from 0 to 1. In the lattice action and the lattice expression for the axial current we include the counterterms required for O( a ) improvement, withaffe non-perturbatively determined coefficients. With little additional work the normalization constant Z V of the improved isospin current is also obtained.hep-lat/9611015OUTP-96-64-PCERN-TH-96-312DESY-96-222FSU-SCRI-96-116OUTP-96-64POUTP-96-64-PDESY-96-222FSU-SCRI-96-116CERN-TH-96-312oai:cds.cern.ch:3150401996-11-15
spellingShingle Particle Physics - Lattice
Luscher, Martin
Sint, Stefan
Sommer, Rainer
Wittig, Hartmut
Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title_full Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title_fullStr Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title_full_unstemmed Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title_short Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
title_sort non-perturbative determination of the axial current normalization constant in o(a) improved lattice qcd
topic Particle Physics - Lattice
url https://dx.doi.org/10.1016/S0550-3213(97)00087-4
http://cds.cern.ch/record/315040
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AT sommerrainer nonperturbativedeterminationoftheaxialcurrentnormalizationconstantinoaimprovedlatticeqcd
AT wittighartmut nonperturbativedeterminationoftheaxialcurrentnormalizationconstantinoaimprovedlatticeqcd

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