5 papers · 1 filter
Measurement of the Lifetime Difference in the B_s^0 System
D0 Collaboration, V. M. Abazov
We present a study of the decay B_s^0 -> J/psi phi We obtain the CP-odd fraction in the final state at time zero, R_perp = 0.16 +/- 0.10 (stat) +/- 0.02 (syst), the average lifetim…
Measurement of Semileptonic Branching Fractions of B Mesons to Narrow D** States
D0 Collaboration, V. Abazov
Using the data accumulated in 2002-2004 with the DO detector in proton-antiproton collisions at the Fermilab Tevatron collider with centre-of-mass energy 1.96 TeV, the branching fr…
Study of Tau-pair Production in Photon-Photon Collisions at LEP and Limits on the Anomalous Electromagnetic Moments of the Tau Lepton
The DELPHI Collaboration, J. Abdallah
Tau-pair production in the process e+e- -> e+e-tau+tau- was studied using data collected by the DELPHI experiment at LEP2 during the years 1997 - 2000. The corresponding integrated…
Measurement of the Lambda_b^0 Decay Form Factor
The DELPHI Collaboration, J. Abdallah
The form factor of Lambda_b^0 baryons is estimated using 3.46 10^6 hadronic Z decays collected by the DELPHI experiment between 1992 and 1995. Charmed Lambda_c^+ baryons fully reco…
b-tagging in DELPHI at LEP
The DELPHI Collaboration, J. Abdallah
The standard method used for tagging b-hadrons in the DELPHI experiment at the CERN LEP Collider is discussed in detail. The main ingredient of b-tagging is the impact parameters o…