Measurement of the Lifetime of the Bs0 Meson Using the Exclusive Decay Mode Bs0→J/ψ φ
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The lifetime of the B0smeson using the exclusive decay mode B0s→J/ψφ where J/ψ→μ+μ− and φ→K+K− The data sample consists of 110 pb−1 of pp collisions at s=1.8 TeV, collected by the CDF detector at the Fermilab Tevatron collider during 1992–1995. We find 58±12 signal events, and the B0s meson lifetime is determined to be TB0s=1.34+0.23−0.19(stat)±0.05(syst)ps. This result is consistent with previous measurements of theB0s, B+and B0dmeson lifetimes and with theoretical predictions. © 1996 American Physical Society.
author list (cited authors)
Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amendolia, S. R., Amidei, D., ... Zucchelli, S.