Publications [#308834] of Mark C. Kruse

Papers Published
  1. Abe, F; Akimoto, H; Akopian, A; Albrow, MG; Amadon, A; Amendolia, SR; Amidei, D; Antos, J; Aota, S; Apollinari, G; Arisawa, T; Asakawa, T; Ashmanskas, W; Atac, M; Azzi-Bacchetta, P; Bacchetta, N; Bagdasarov, S; Bailey, MW; Barbaro, PD; Barbaro-Galtieri, A; Barnes, VE; Barnett, BA; Barone, M; Bauer, G; Baumann, T; Bedeschi, F; Behrends, S; Belforte, S; Bellettini, G; Bellinger, J; Benjamin, D; Bensinger, J; Beretvas, A; Berge, JP; Berryhill, J; Bertolucci, S; Bettelli, S; Bevensee, B; Bhatti, A et al., Observation of the Bc meson in pp̄ collisions at √s = 1.8 TeV, Physical Review Letters, vol. 81 no. 12 (1998), pp. 2432-2437 .

    We have observed bottom-charm mesons via the decay mode Bc± → J/ψ ±v in 1.8 TeV pp̄ collisions using the CDF detector at the Fermilab Tevatron. A fit of background and signal contributions to the J/ψℓ mass distribution yielded 20.4-5.5+6.2 events from Bc mesons. A fit to the same distribution with background alone was rejected at the level of 4.8 standard deviations. We measured the Bc+ mass to be 6.40 ± 0.39(stat) ± 0.13(syst) GeV/c2 and the Bc+ lifetime to be 0.46-0.16+0.18(stat) ±0.03(syst) ps. Our measured yield (production cross section times branching ratio) for Bc+ → J/ψℓ+v relative to that for B+ → J/ψ K- is 0.132+0.041-0.037(stat) ± 0.031(syst) +0.032-0.020(lifetime).