Non-perturbative renormalization of vector and axial vector currents in quenched QCD for a renormalization group improved gauge action
Nuclear Physics B Proceedings Supplements Volume 129-130
Page 426-428
published_at 2004
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| File | |
| Title ( eng ) |
Non-perturbative renormalization of vector and axial vector currents in quenched QCD for a renormalization group improved gauge action
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| Creator |
CP-PACS Collaboration
Ide K
Aoki S
Fukugita M
Ishizuka N
Iwasaki Y
Kanaya K
Kaneko T
Kuramashi Y
Lesk V
Taniguchi Y
Ukawa A
Yoshié T
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| Source Title |
Nuclear Physics B Proceedings Supplements
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| Volume | 129-130 |
| Start Page | 426 |
| End Page | 428 |
| Abstract |
Renormalization constants of vector (Zv) and axial-vector (ZA) currents are determined non-perturbatively in quenched QCD for an RG-improved gauge action and a tadpole-improved clover quark action using the Schrödinger functional method. Meson decay constants p and fπ show much better scaling when Zv and ZpA estimated for infinite physical volume are used instead of Z-factors from tadpole-improved one-loop perturbation theory.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
Elsevier Science B.V.
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| Date of Issued | 2004 |
| Rights |
Copyright (c) 2004 Elsevier Science B.V.
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0920-5632
[DOI] http://dx.doi.org/10.1016/S0920-5632(03)02603-3
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