Observation and mass measurement of the baryon Ξb-
Physical Review Letters 99:5 (2007)
Abstract:
We report the observation and measurement of the mass of the bottom, strange baryon Ξb- through the decay chain Ξb-→J/ψΞ-, where J/ψ→μ+μ-, Ξ-→Λπ-, and Λ→pπ-. A signal is observed whose probability of arising from a background fluctuation is 6.6×10-15, or 7.7 Gaussian standard deviations. The Ξb- mass is measured to be 5792.9±2.5(stat) ±1.7(syst)MeV/c2. © 2007 The American Physical Society.Publisher’s Note: Study of Exclusive Charmless Semileptonic B Decays and |Vub| [Phys. Rev. Lett. 99, 041802 (2007)]
Physical Review Letters American Physical Society (APS) 99:5 (2007) 059903
Publisher’s Note: Study of exclusive charmless semileptonic B decays and extraction of |Vub| at CLEO [Phys. Rev. D 76, 012007 (2007)]
Physical Review D American Physical Society (APS) 76:3 (2007) 039901
Search for New Physics in High Mass Electron-Positron Events in ppbar Collisions at sqrt(s) = 1.96 TeV
ArXiv 0707.2524 (2007)
Searches for Direct Pair Production of Supersymmetric Top and Supersymmetric Bottom Quarks in p-pbar Collisions at sqrt(s)=1.96 TeV
ArXiv 0707.2567 (2007)