First observation of a family of double-charm baryons
Conference
·
OSTI ID:801550
- Fermilab
The SELEX experiment (E781) at Fermilab has candidates for high mass states decaying to {Lambda}{sub c}{sup +}K{sup -}{pi}{sup +} and {Lambda}{sub c}{sup +}K{sup -} pi{sup +}{pi}{sup +}, Cabibbo-allowed decay modes of doubly-charmed baryons {Xi}{sub cc}{sup +} and {Xi}{sub cc}{sup ++}. The masses are consistent with theoretical considerations, but the spectroscopy is surprising. Limited lifetime information suggests that {tau}{sub {Xi}{sub cc}{sup ++}} {approx} {tau}{sub Xi}{sub cc}{sup +}.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 801550
- Report Number(s):
- FERMILAB-Conf-02/236-E
- Country of Publication:
- United States
- Language:
- English
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