Quark forces from hadronic spectroscopy

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 t...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Pirjol, D., Schat, C.
Formato: JOUR
Materias:
Exchange models
Mixing angles
Quark interactions
Spectroscopic analysis
Hamiltonians
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00319007_v102_n15_p_Pirjol
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00319007_v102_n15_p_Pirjol
record_format dspace
spelling todo:paper_00319007_v102_n15_p_Pirjol2023-10-03T14:42:04Z Quark forces from hadronic spectroscopy Pirjol, D. Schat, C. Exchange models Mixing angles Quark interactions Spectroscopic analysis Hamiltonians 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. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00319007_v102_n15_p_Pirjol
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Exchange models
Mixing angles
Quark interactions
Spectroscopic analysis
Hamiltonians
spellingShingle Exchange models
Mixing angles
Quark interactions
Spectroscopic analysis
Hamiltonians
Pirjol, D.
Schat, C.
Quark forces from hadronic spectroscopy
topic_facet Exchange models
Mixing angles
Quark interactions
Spectroscopic analysis
Hamiltonians
description 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.
format JOUR
author Pirjol, D.
Schat, C.
author_facet Pirjol, D.
Schat, C.
author_sort Pirjol, D.
title Quark forces from hadronic spectroscopy
title_short Quark forces from hadronic spectroscopy
title_full Quark forces from hadronic spectroscopy
title_fullStr Quark forces from hadronic spectroscopy
title_full_unstemmed Quark forces from hadronic spectroscopy
title_sort quark forces from hadronic spectroscopy
url http://hdl.handle.net/20.500.12110/paper_00319007_v102_n15_p_Pirjol
work_keys_str_mv AT pirjold quarkforcesfromhadronicspectroscopy
AT schatc quarkforcesfromhadronicspectroscopy
_version_ 1782028962303574016

Ejemplares similares