Publications [#309752] of Seog Oh

Papers Published
  1. Abe, F; Akimoto, H; Akopian, A; Albrow, MG; Amendolia, SR; Amidei, D; Antos, J; Anway-Wiese, C; Aota, S; Apollinari, G; Asakawa, T; Ashmanskas, W; Atac, M; Azfar, F; Azzi-Bacchetta, P; Bacchetta, N; Badgett, W; Bagdasarov, S; Bailey, MW; Bao, J; Barbaro, PD; Barbaro-Galtieri, A; Barnes, VE; Barnett, BA; Barzi, E; Bauer, G; Baumann, T; Bedeschi, F; Behrends, S; Belforte, S; Bellettini, G; Bellinger, J; Benjamin, D; Benlloch, J; Bensinger, J; Benton, D; Beretvas, A; Berge, JP; Berryhill, J et al., Measurement of the branching fraction B(Bu+→J/ψπ+) and search for Bc+→J/ψπ+, Physical Review Letters, vol. 77 no. 26 (1996), pp. 5176-5181 [doi] .

    We report on a measurement of the branching fraction of the Cabibbo-suppressed decay Bu+→J/ψπ+ , where J/ψ→μ+μ-. The data were collected by the Collider Detector at Fermilab during 1992-1995 and correspond to an integrated luminosity of 110 pb-1 in p̄p collisions at √s = 1.8 TeV. A signal of 289+10 events is observed and we determine the ratio of branching fractions B(Bu+→J/ψπ+)/B(Bu+→J/ψK+) to be [5.0-1.7+1.9(stat) ± 0.1(syst)]%. Using the world average value for B(Bu+→J/ψK+), we calculate the branching fraction B(Bu+→J/ψπ+) to be (5.0-1.9+2.1) × 10-5. We also search for the decay Bc+→J/ψπ+ and report a 95% confidence level limit on σ(Bc+)B(Bc+→ J/ψπ+)/σ(Bu+)B(Bu+→J/ψK+) as a function of the Bc+ lifetime.