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Pirjol, D.; Schat, C. "Permutation group SN and large Nc excited baryons" (2008) Physical Review D - Particles, Fields, Gravitation and Cosmology. 78(3)
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Abstract:

We study the excited baryon states for an arbitrary number of colors Nc from the perspective of the permutation group SN of N objects. Classifying the transformation properties of states and quark-quark interaction operators under SN allows a general analysis of the spin-flavor structure of the mass operator of these states, in terms of a few unknown constants parametrizing the unknown spatial structure. We explain how to perform the matching calculation of a general two-body quark-quark interaction onto the operators of the 1/Nc expansion. The inclusion of core and excited quark operators is shown to be necessary. Considering the case of the negative parity L=1 states transforming in the MS of SN, we discuss the matching of the one-gluon and the Goldstone-boson exchange interactions. © 2008 The American Physical Society.

Registro:

Documento: Artículo
Título:Permutation group SN and large Nc excited baryons
Autor:Pirjol, D.; Schat, C.
Filiación:National Institute for Physics and Nuclear Engineering, Department of Particle Physics, 077125 Bucharest, Romania
CONICET, Departamento de Física, Pab.1, (1428) Buenos Aires, Argentina
Departamento de Física, Universidad de Murcia, E-30071 Murcia, Spain
Año:2008
Volumen:78
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevD.78.034026
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v78_n3_p_Pirjol

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Citas:

---------- APA ----------
Pirjol, D. & Schat, C. (2008) . Permutation group SN and large Nc excited baryons. Physical Review D - Particles, Fields, Gravitation and Cosmology, 78(3).
http://dx.doi.org/10.1103/PhysRevD.78.034026
---------- CHICAGO ----------
Pirjol, D., Schat, C. "Permutation group SN and large Nc excited baryons" . Physical Review D - Particles, Fields, Gravitation and Cosmology 78, no. 3 (2008).
http://dx.doi.org/10.1103/PhysRevD.78.034026
---------- MLA ----------
Pirjol, D., Schat, C. "Permutation group SN and large Nc excited baryons" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 78, no. 3, 2008.
http://dx.doi.org/10.1103/PhysRevD.78.034026
---------- VANCOUVER ----------
Pirjol, D., Schat, C. Permutation group SN and large Nc excited baryons. Phys Rev D Part Fields Gravit Cosmol. 2008;78(3).
http://dx.doi.org/10.1103/PhysRevD.78.034026