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Theoretical Update of Pseudoscalar Meson Distribution Amplitudes of Higher Twist: The Non-singlet Case
We discuss the two and three particle light-cone distribution amplitudes (DAs) of pseudoscalar nonsinglet mesons of twist 3 and 4. Using nonlocal operator identities and conformal expansion, we derive closed expressions for several DAs. We also include meson-mass corrections which prove to be domina...
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| Lenguaje: | eng |
| Publicado: |
1998
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| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/1999/01/010 http://cds.cern.ch/record/374477 |