Journal
PHYSICAL REVIEW D
Volume 83, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.83.074505
Keywords
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Funding
- PPARC JIF [PPA/J/S/1998/00756]
- University of Edinburgh
- University of Southampton
- University of Wales Swansea
- STFC [PP/E006965/1, ST/G000557/1, PP/D000238/1, ST/H008888/1, PP/C503154/1, ST/G000522/1]
- USDOE
- EU [MRTN-CT-2006-035482]
- RCUK
- STFC [ST/I506945/1, ST/H008845/1, ST/G000557/1, ST/H008888/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/G000557/1, ST/I506945/1, ST/H008888/1, ST/H008845/1] Funding Source: researchfish
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As part of the UKQCD and RBC collaborations' N-f = 2 + 1 domain-wall fermion phenomenology programme, we calculate the first two moments of the light-cone distribution amplitudes of the pseudoscalar mesons pi and K and the ( longitudinally polarized) vector mesons rho, K*, and phi. 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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