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Abstract:

We discuss the matching of the quark model to the effective mass operator of the 1/Nc expansion using the permutation group SN. As an illustration of the general procedure we perform the matching of the Isgur-Karl model for the spectrum of the negative parity L=1 excited baryons. Assuming the most general two-body quark Hamiltonian, we derive two correlations among the masses and mixing angles of these states which should hold in any quark model. These correlations constrain the mixing angles and can be used to test for the presence of three-body quark forces. © 2010 American Institute of Physics.

Registro:

Documento: Conferencia
Título:Testing for three-body quark forces in L=1 excited baryons
Autor:Pirjol, D.; Schat, C.
Ciudad:Sao Paulo
Filiación:National Institute for Physics and Nuclear Engineering, Department of Particle Physics, 077125 Bucharest, Romania
Department of Physics and Astronomy, Ohio University, Athens, OH 45701, United States
Departamento de Física, FCEyN, Universidad de Buenos Aires, Ciudad Universitaria, Pab.1, Buenos Aires 1428, Argentina
Palabras clave:1/N expansion of QCD; excited baryons; Quark model
Año:2010
Volumen:1296
Página de inicio:159
Página de fin:164
DOI: http://dx.doi.org/10.1063/1.3523161
Título revista:International Conference ""1st Stars and Galaxies: Challenges for the Next Decade""
Título revista abreviado:AIP Conf. Proc.
ISSN:0094243X
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_0094243X_v1296_n_p159_Pirjol.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1296_n_p159_Pirjol

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Citas:

---------- APA ----------
Pirjol, D. & Schat, C. (2010) . Testing for three-body quark forces in L=1 excited baryons. International Conference ""1st Stars and Galaxies: Challenges for the Next Decade"", 1296, 159-164.
http://dx.doi.org/10.1063/1.3523161
---------- CHICAGO ----------
Pirjol, D., Schat, C. "Testing for three-body quark forces in L=1 excited baryons" . International Conference ""1st Stars and Galaxies: Challenges for the Next Decade"" 1296 (2010) : 159-164.
http://dx.doi.org/10.1063/1.3523161
---------- MLA ----------
Pirjol, D., Schat, C. "Testing for three-body quark forces in L=1 excited baryons" . International Conference ""1st Stars and Galaxies: Challenges for the Next Decade"", vol. 1296, 2010, pp. 159-164.
http://dx.doi.org/10.1063/1.3523161
---------- VANCOUVER ----------
Pirjol, D., Schat, C. Testing for three-body quark forces in L=1 excited baryons. AIP Conf. Proc. 2010;1296:159-164.
http://dx.doi.org/10.1063/1.3523161