English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/9169
Compartir / Impacto:
Estadísticas
Add this article to your Mendeley library MendeleyBASE
Citado 17 veces en Web of Knowledge®  |  Ver citas en Google académico
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar otros formatos: Exportar EndNote (RIS)Exportar EndNote (RIS)Exportar EndNote (RIS)
Título

Non local lagrangians: The pion

Autor Noguera, Santiago
Palabras clave Electromagnetic form factors
Dyson-Schwinger Equations
Vector-meson Dominance
Nonlocal Nambu-Jona Lasinio (NJL) Model
Quark model
Gauge theories
Parton distributions
Hadron physics
[PACS] Nuclear reactions: relativistic models
[PACS] Bound and unstable states; Bethe–Salpeter equations
[PACS] Elastic and Compton scattering
Fecha de publicación ene-2007
EditorWorld Scientific Publishing
Citación International Journal of Modern Physics E - Nuclear Physics 16(1): 97-132 (2007)
ResumenWe define a family of non local and chirally symmetric low energy lagrangians motivated by theoretical studies on Quantum Chromodynamics. These models lead to quark propagators with non trivial momentum dependencies. We define the formalism for two body bound states and apply it to the pion. We study the coupling of the photon and W bosons with special attention to the implementation of local gauge invariance. We calculate the pion decay constant recovering the Goldberger-Treiman and the Gell-Mann-Oakes-Renner relations. We recover a form of the axial current consistent with PCAC. Finally we study the pion form factor and we construct the operators involved in its parton distribution.
Descripción 36 pages, 12 figures.-- PACS nrs.: 24.10.Jv, 11.10.St, 13.40.Gp, 13.60.Fz.-- ISI Article Identifier: 000250862200006.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0502171
Versión del editorhttp://dx.doi.org/10.1142/S021830130700565X
URI http://hdl.handle.net/10261/9169
DOI10.1142/S021830130700565X
ISSN0218-3013
Aparece en las colecciones: (IFIC) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
0502171v5.pdf456,18 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 



NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.