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An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems
Evidence is presented for an I=1 enhancement observed in the reactions K/sup -/p to Lambda ( Sigma )K/sub 1//sup 0/K/sup +or-/ pi /sup +or-/ at 4.2 GeV/c incident momentum. The mass and width of the proposed new Y* are, respectively, (1553+or-7) MeV) and 80+or-30) MeV. A decay branching ratio Delta...
| Autores principales: | , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1978
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(78)90371-4 http://cds.cern.ch/record/132857 |
| _version_ | 1780879445961211904 |
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| author | Dionisi, C Armenteros, Rafael Díaz, J Gavillet, P Gay, J B Gurtu, A Hemingway, Richard J Mazzucato, M Trepagnier, P C Blokzijl, R Massaro, G G G Jongejans, B Engelen, J Timmermans, J Van de Walle, R T Foster, B Lamb, P R McDowell, W L |
| author_facet | Dionisi, C Armenteros, Rafael Díaz, J Gavillet, P Gay, J B Gurtu, A Hemingway, Richard J Mazzucato, M Trepagnier, P C Blokzijl, R Massaro, G G G Jongejans, B Engelen, J Timmermans, J Van de Walle, R T Foster, B Lamb, P R McDowell, W L |
| author_sort | Dionisi, C |
| collection | CERN |
| description | Evidence is presented for an I=1 enhancement observed in the reactions K/sup -/p to Lambda ( Sigma )K/sub 1//sup 0/K/sup +or-/ pi /sup +or-/ at 4.2 GeV/c incident momentum. The mass and width of the proposed new Y* are, respectively, (1553+or-7) MeV) and 80+or-30) MeV. A decay branching ratio Delta pi /( Sigma pi + Lambda pi )=(35+or-12)% is also obtained. (3 refs). |
| id | cern-132857 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 1978 |
| record_format | invenio |
| spelling | cern-1328572019-09-30T06:29:59Zdoi:10.1016/0370-2693(78)90371-4http://cds.cern.ch/record/132857engDionisi, CArmenteros, RafaelDíaz, JGavillet, PGay, J BGurtu, AHemingway, Richard JMazzucato, MTrepagnier, P CBlokzijl, RMassaro, G G GJongejans, BEngelen, JTimmermans, JVan de Walle, R TFoster, BLamb, P RMcDowell, W LAn I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systemsParticle Physics - ExperimentEvidence is presented for an I=1 enhancement observed in the reactions K/sup -/p to Lambda ( Sigma )K/sub 1//sup 0/K/sup +or-/ pi /sup +or-/ at 4.2 GeV/c incident momentum. The mass and width of the proposed new Y* are, respectively, (1553+or-7) MeV) and 80+or-30) MeV. A decay branching ratio Delta pi /( Sigma pi + Lambda pi )=(35+or-12)% is also obtained. (3 refs).CERN-EP-PHYS-78-17oai:cds.cern.ch:1328571978-07-11 |
| spellingShingle | Particle Physics - Experiment Dionisi, C Armenteros, Rafael Díaz, J Gavillet, P Gay, J B Gurtu, A Hemingway, Richard J Mazzucato, M Trepagnier, P C Blokzijl, R Massaro, G G G Jongejans, B Engelen, J Timmermans, J Van de Walle, R T Foster, B Lamb, P R McDowell, W L An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title | An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title_full | An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title_fullStr | An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title_full_unstemmed | An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title_short | An I = 1 enhancement at a mass of 1550 MeV in the (LAMBDApi) and (SIGMApi)-systems |
| title_sort | i = 1 enhancement at a mass of 1550 mev in the (lambdapi) and (sigmapi)-systems |
| topic | Particle Physics - Experiment |
| url | https://dx.doi.org/10.1016/0370-2693(78)90371-4 http://cds.cern.ch/record/132857 |
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