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Radiative decays of the Sigma0(1385) and Lambda(1520) hyperons | S. Taylor
; G. S. Mutchler
; for the CLAS collaboration
; | Date: |
7 Mar 2005 | Journal: | Phys.Rev. C71 (2005) 054609; Erratum-ibid. C72 (2005) 039902 | Subject: | hep-ex | Abstract: | The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas Jefferson National Accelerator Facility. We report the first observation of the radiative decay of the Sig0(1385) and a measurement of the Lambda(1520) radiative decay width. For the Sig0(1385) -> Lambda(1116)gamma transition, we measured a partial width of 479+/-120(stat)+81-100(sys) keV, larger than all of the existing model predictions. For the Lambda(1520) -> Lambda(1116)gamma transition, we obtained a partial width of 167+/-43(stat)+26-12(sys) keV. | Source: | arXiv, hep-ex/0503014 | Services: | Forum | Review | PDF | Favorites |
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