Lattice results for low moments of light meson distribution amplitudes
Lattice results for low moments of light meson distribution amplitudes
As part of the UKQCD and RBC collaborations’ Nf=2+1 domain-wall fermion phenomenology programme, we calculate the first two moments of the light-cone distribution amplitudes of the pseudoscalar mesons ? and K and the (longitudinally polarized) vector mesons ?, K*, and ?. We obtain the desired quantities with good precision and are able to discern the expected quark-mass dependence of SU(3)-flavor breaking effects. An important ingredient of the calculation is the nonperturbative renormalization of lattice operators using a regularization-independent momentum scheme
074505-[20pp]
Arthur, R.
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Boyle, P.A.
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Brommel, D.
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Donnellan, M.A.
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Flynn, J.M.
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Juettner, A.
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Rae, T.D.
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Sachrajda, C.T.C.
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12 April 2011
Arthur, R.
ce670138-5f7a-49a6-b33a-a1438e29246f
Boyle, P.A.
deafc6c3-3d18-4199-84f5-6f20cd03e311
Brommel, D.
70d6af93-fb4b-4f41-91b6-807dae5be2ba
Donnellan, M.A.
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Flynn, J.M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Juettner, A.
bb16b707-6135-4c9b-a6cb-1252a5eb77bd
Rae, T.D.
c0d12f6f-dc9d-4f9c-b8a9-3f440610b040
Sachrajda, C.T.C.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Arthur, R., Boyle, P.A., Brommel, D., Donnellan, M.A., Flynn, J.M., Juettner, A., Rae, T.D. and Sachrajda, C.T.C.
(2011)
Lattice results for low moments of light meson distribution amplitudes.
Physical Review D, 83 (7), .
(doi:10.1103/PhysRevD.83.074505).
Abstract
As part of the UKQCD and RBC collaborations’ Nf=2+1 domain-wall fermion phenomenology programme, we calculate the first two moments of the light-cone distribution amplitudes of the pseudoscalar mesons ? and K and the (longitudinally polarized) vector mesons ?, K*, and ?. We obtain the desired quantities with good precision and are able to discern the expected quark-mass dependence of SU(3)-flavor breaking effects. An important ingredient of the calculation is the nonperturbative renormalization of lattice operators using a regularization-independent momentum scheme
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Published date: 12 April 2011
Organisations:
High Energy Physics
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Local EPrints ID: 183263
URI: http://eprints.soton.ac.uk/id/eprint/183263
ISSN: 1550-7998
PURE UUID: 6f18d7a3-e52f-48d1-8594-26879d23952c
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Date deposited: 03 May 2011 09:18
Last modified: 15 Mar 2024 02:45
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Author:
R. Arthur
Author:
P.A. Boyle
Author:
D. Brommel
Author:
M.A. Donnellan
Author:
A. Juettner
Author:
T.D. Rae
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