I=2 pion scattering length with the Wilson fermion.
Physical Review D Volume 66
Page 077501-
published_at 2002
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| File | |
| Title ( eng ) |
I=2 pion scattering length with the Wilson fermion.
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| Creator |
JLQCD Collaboration
Aoki S
Fukugita M
Hashimoto S
Ishizuka N
Iwasaki Y
Kanaya K
Kaneko T
Kuramashi Y
Onogi T
Tominaga S
Tsutsui N
Ukawa A
Yoshié T
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| Source Title |
Physical Review D
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| Volume | 66 |
| Start Page | 077501 |
| Abstract |
The calculation of the I=2 pion scattering length in quenched lattice QCD is reexamined. The calculation is carried out with the Wilson fermion action employing Lüscher's finite size scaling method at β=5.9, 6.1, and 6.3 corresponding to the range of lattice spacing a≃0.12-0.07 fm. We obtain in the continuum limit a0/mπ=-2.09(35) 1/GeV2, which is consistent with the prediction of chiral perturbation theory a0/mπ=-2.265(51)1/GeV2.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 2002 |
| Rights |
Copyright (c) 2002 The American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1550-7998
[DOI] http://dx.doi.org/10.1103/PhysRevD.66.077501
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