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First Observation of a Family of Double-Charm Baryons | | SELEX Collaboration
; J.S. Russ et al
; | | Date: |
27 Sep 2002 | | Subject: | hep-ex | | Affiliation: | Carnegie Mellon University | | Abstract: | The SELEX experiment (E781) at Fermilab has candidates for high mass states decaying to Lambda_c+ K- pi+ and Lambda_c+ K- pi+ pi+, Cabibbo-allowed decay modes of doubly-charmed baryons Xi_cc+ and Xi_cc++. The masses are consistent with theoretical considerations, but the spectroscopy is surprising. Limited lifetime information suggests that tau_{Xi_cc++} sim tau_{Xi_cc+}. | | Source: | arXiv, hep-ex/0209075 | | Services: | Forum | Review | PDF | Favorites | |
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