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Titolo:
rho-Meson wave functions from nonlocal light-cone operators with definite twist
Autore:
Lazar, M;
Indirizzi:
Univ Leipzig, Ctr Theoret Studies, D-04109 Leipzig, Germany Univ Leipzig Leipzig Germany D-04109 t Studies, D-04109 Leipzig, Germany Univ Leipzig, Inst Theoret Phys, D-04109 Leipzig, Germany Univ Leipzig Leipzig Germany D-04109 oret Phys, D-04109 Leipzig, Germany
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 1-2, volume: 497, anno: 2001,
pagine: 62 - 72
SICI:
0370-2693(20010104)497:1-2<62:RWFFNL>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
ODD PARTON DISTRIBUTIONS; DISTRIBUTION AMPLITUDES; ASYMPTOTIC-BEHAVIOR; EVOLUTION-EQUATIONS; EXCLUSIVE PROCESSES; VECTOR-MESONS; FORM-FACTORS; SUM-RULES; QCD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Lazar, M Univ Leipzig, Ctr Theoret Studies, Augustuspl 10, D-04109 Leipzig, Germany Univ Leipzig Augustuspl 10 Leipzig Germany D-04109 pzig, Germany
Citazione:
M. Lazar, "rho-Meson wave functions from nonlocal light-cone operators with definite twist", PHYS LETT B, 497(1-2), 2001, pp. 62-72

Abstract

We introduce chiral-even and chiral-odd meson wave functions as vacuum-to-meson matrix elements of bilocal quark operators with well-defined (geometric) twist. Thereby, we achieve a Lorentz invariant classification of these distributions which differ from the conventional ones by explicitly taking into account the trace terms. The relations between conventional and new wave functions are given. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 06/04/20 alle ore 08:41:15