Observation of the Decay B+-(c) ---> J/psi pi+- and Measurement of the B+-(c) Mass
Journal Article
·
OSTI ID:921707
The B{sub c}{sup {+-}} meson is observed through the decay B{sub c}{sup {+-}} {yields} J/{psi} {pi}{sup {+-}}, in data corresponding to an integrated luminosity of 2.4 fb{sup -1} recorded by the CDF II detector at the Fermilab Tevatron. A signal of 108 {+-} 15 candidates is observed, with a significance that exceeds 8{sigma}. The mass of the B{sub c}{sup {+-}} meson is measured to be 6275.6 {+-} 2.9(stat.) {+-} 2.5(syst.) MeV/c{sup 2}.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 921707
- Report Number(s):
- FERMILAB-PUB-07-644-E; arXiv eprint number arXiv:0712.1506; TRN: US0800802
- Country of Publication:
- United States
- Language:
- English
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