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- Title
Rho Meson Distribution Amplitudes from QCD Sum Rules with Nonlocal Condensates.
- Authors
Pimikov, A.; Mikhailov, S.; Stefanis, N.
- Abstract
The leading-twist distribution amplitude for the longitudinal rho-meson was studied using QCD Sum Rules with nonlocal condensates and a spectral density which includes next-to-leading order radiative corrections. The obtained profile is compared with results from standard QCD sum rules, lattice QCD, holographic QCD, a light-front quark model, and the instanton liquid model. Preliminary estimates for the first two moments of the transverse ρ-meson distribution amplitude are also given.
- Subjects
QCD sum rules (Nuclear physics); RHO mesons; DISTRIBUTION (Probability theory); RADIATIVE corrections; SPECTRAL energy distribution
- Publication
Few-Body Systems, 2014, Vol 55, Issue 5-7, p401
- ISSN
0177-7963
- Publication type
Article
- DOI
10.1007/s00601-014-0815-5