Testing for three-body quark forces in L=1 excited baryons
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 g...
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2010
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_0094243X_v1296_n_p159_Pirjol http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_0094243X_v1296_n_p159_Pirjol_oai |
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I28-R145-paper_0094243X_v1296_n_p159_Pirjol_oai2020-10-19 Pirjol, D. Schat, C. 2010 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. application/pdf http://hdl.handle.net/20.500.12110/paper_0094243X_v1296_n_p159_Pirjol info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar AIP Conf. Proc. 2010;1296:159-164 1/N expansion of QCD excited baryons Quark model Testing for three-body quark forces in L=1 excited baryons info:eu-repo/semantics/conferenceObject info:ar-repo/semantics/documento de conferencia info:eu-repo/semantics/publishedVersion http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_0094243X_v1296_n_p159_Pirjol_oai |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-145 |
| collection |
Repositorio Digital de la Universidad de Buenos Aires (UBA) |
| topic |
1/N expansion of QCD excited baryons Quark model |
| spellingShingle |
1/N expansion of QCD excited baryons Quark model Pirjol, D. Schat, C. Testing for three-body quark forces in L=1 excited baryons |
| topic_facet |
1/N expansion of QCD excited baryons Quark model |
| description |
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. |
| format |
Documento de conferencia Documento de conferencia publishedVersion |
| author |
Pirjol, D. Schat, C. |
| author_facet |
Pirjol, D. Schat, C. |
| author_sort |
Pirjol, D. |
| title |
Testing for three-body quark forces in L=1 excited baryons |
| title_short |
Testing for three-body quark forces in L=1 excited baryons |
| title_full |
Testing for three-body quark forces in L=1 excited baryons |
| title_fullStr |
Testing for three-body quark forces in L=1 excited baryons |
| title_full_unstemmed |
Testing for three-body quark forces in L=1 excited baryons |
| title_sort |
testing for three-body quark forces in l=1 excited baryons |
| publishDate |
2010 |
| url |
http://hdl.handle.net/20.500.12110/paper_0094243X_v1296_n_p159_Pirjol http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_0094243X_v1296_n_p159_Pirjol_oai |
| work_keys_str_mv |
AT pirjold testingforthreebodyquarkforcesinl1excitedbaryons AT schatc testingforthreebodyquarkforcesinl1excitedbaryons |
| _version_ |
1766026645777416192 |