作者
C Albajar, MG Albrow, OC Allkofer, K Ankoviak, R Apsimon, B Aubert, C Bacci, S Bartha, G Bauer, Alessandro Bettini, A Bezaguet, P Biddulph, H Bohn, A Böhrer, R Bonino, K Bos, M Botlo, D Brockhausen, C Buchanan, B Buschbeck, Giovanni Busetto, A Caner, P Casoli, H Castilla-Valdez, F Cavanna, P Cennini, Sandro Centro, F Ceradini, G Ciapetti, S Cittolin, E Clayton, D Cline, J Colas, R Conte, JA Coughlan, D Dau, C Daum, M Della Negra, M Demoulin, D Denegri, H Dibon, A DiCiaccio, FJ Diez Hedo, L Dobrzynski, J Dorenbosch, JD Dowell, D Drijard, K Eggert, E Eisenhandler, N Ellis, H Evans, H Faissner, M Felcini, IF Fensome, A Ferrando, L Fortson, T Fuess, J Garvey, A Geiser, A Givernaud, A Gonidec, B Gonzalez, JM Gregory, J Gronberg, DJ Holthuizen, W Jank, G Jorat, MI Josa, PIP Kalmus, V Karimäki, I Kenyon, R Kinnunen, M Krammer, D Kryn, Francesco Lacava, S Lammel, M Landon, Y Lemoigne, S Levegrün, D Linglin, P Lipa, C Markou, M Markytan, MA Marquina, R Martinelli, G Maurin, S McMahon, J-P Mendiburu, A Meneguzzo, JP Merlo, T Meyer, T Moers, M Mohammadi, K Morgan, A Morsch, A Moulon, Th Muller, R Munoz, L Naumann, P Nedelec, M Nikitas, A Nisati, A Norton, V O'dell, S Otwinowski, G Pancheri, M Passaseo, F Pauss, E Petrolo, G Piano Mortari, E Pietarinen, M Pimiä, A Placci, L Pontecorvo, J-P Porte, R Priem, R Prosi, E Radermacher, M Rauschkolb, H Reithler, J-P Revol, S Robins, D Robinson, T Rodrigo, J Rohlf, C Rubbia, G Sajot, JM Salicio, D Samyn, D Schinzel, R Schleichert, M Schröder, C Seez, TP Shah, P Sphicas, D Stork, C Stubenrauch, K Sumorok, F Szoncso, CH Tan, A Taurok, L Taylor, S Tether, H Teykal, G Thompson, E Torrente-Lujan, H Tuchscherer, J Tuominiemi, W Van de Guchte, A Van Dijk
发表日期
1991/6/13
期刊
Physics Letters B
卷号
262
期号
1
页码范围
163-170
出版商
North-Holland
简介
We report on a search for the decays B 0→ μ +μ −, B → μ + μ −X and B d0 → μ + μ −K 0∗, which are expected to be rare if mediated by flavor changing neutral currents. Using data collected during the 1984–1989 CERN pp̄ Collider runs, the UA1 search was carried out using μ+μ− events with 3.9<Mμμ < 5.5 GeV/c2. We find 90% confidence level upper limits on the branching for BR → μ+μ− of 8.3 × 10−6, for B → μ+μ−X of 5.0 × 10−5, and for B 0d→μ +μ −K 0∗ of of 2.3 × 10−5. Implicatitions for upper limits on the t-quark mass are discussed.
引用总数
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