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Higher twist distribution amplitudes of vector mesons in QCD: Formalism and twist - three distributions

Journal Article · · Nucl.Phys.B
We present a systematic study of twist three light-cone distribution amplitudes of vector mesons in QCD, which is based on conformal expansion and takes into account meson and quark mass corrections. A complete set of distribution amplitudes is constructed for rho, omega, K* and phi mesons, which satisfies all (exact) equations of motion and constraints from conformal expansion. Nonperturbative input parameters are calculated from QCD sum rules, including an update of SU(3) breaking corrections in the leading twist distributions.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1861336
Report Number(s):
FERMILAB-PUB-98-028-T; NORDITA-98-6-P; JUPD-9811; arXiv:hep-ph/9802299; oai:inspirehep.net:467060
Journal Information:
Nucl.Phys.B, Journal Name: Nucl.Phys.B Vol. 529
Country of Publication:
United States
Language:
English

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