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Abstract:

We consider the implications of the most general two-body quark-quark interaction Hamiltonian for the spin-flavor structure of the negative parity L=1 excited baryons. Assuming the most general two-body quark interaction Hamiltonian, we derive two correlations among the masses and mixing angles of these states, which constrain the mixing angles, and can be used to test for the presence of three-body quark interactions. We find that the pure gluon-exchange model is disfavored by data, independently of any assumptions about hadronic wave functions. © 2009 The American Physical Society.

Registro:

Documento: Artículo
Título:Quark forces from hadronic spectroscopy
Autor:Pirjol, D.; Schat, C.
Filiación:Department of Particle Physics, National Institute for Physics and Nuclear Engineering, 077125 Bucharest, Romania
CONICET, Departamento de Física, Ciudad Universitaria, Pab. 1, (1428) Buenos Aires, Argentina
Palabras clave:Exchange models; Mixing angles; Quark interactions; Spectroscopic analysis; Hamiltonians
Año:2009
Volumen:102
Número:15
DOI: http://dx.doi.org/10.1103/PhysRevLett.102.152002
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v102_n15_p_Pirjol

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Citas:

---------- APA ----------
Pirjol, D. & Schat, C. (2009) . Quark forces from hadronic spectroscopy. Physical Review Letters, 102(15).
http://dx.doi.org/10.1103/PhysRevLett.102.152002
---------- CHICAGO ----------
Pirjol, D., Schat, C. "Quark forces from hadronic spectroscopy" . Physical Review Letters 102, no. 15 (2009).
http://dx.doi.org/10.1103/PhysRevLett.102.152002
---------- MLA ----------
Pirjol, D., Schat, C. "Quark forces from hadronic spectroscopy" . Physical Review Letters, vol. 102, no. 15, 2009.
http://dx.doi.org/10.1103/PhysRevLett.102.152002
---------- VANCOUVER ----------
Pirjol, D., Schat, C. Quark forces from hadronic spectroscopy. Phys Rev Lett. 2009;102(15).
http://dx.doi.org/10.1103/PhysRevLett.102.152002