| Article | |
| Report number | CERN-EP-98-073 |
| Title | Search for $\nu_\mu \to \nu_\tau$ oscillation using the $\tau$ decay modes into a single charged particle |
| Author(s) |
Eskut, E ; Kayis, A ; Onengüt, G ; Van Dantzig, R ; De Jong, M ; Konijn, J ; Melzer, O ; Oldeman, R G C ; Van der Poel, C A F J ; Uiterwijk, J W E ; Visschers, J L ; Güler, M ; Serin-Zeyrek, M ; Sever, R ; Tolun, P ; Zeyrek, M T ; Armenise, N ; Cassol, F ; Catanesi, M G ; Muciaccia, M T ; Radicioni, E ; Simone, S ; Vivolo, L ; Bülte, A ; Patzak, T ; Winter, Klaus ; Annis, P ; El-Aidi, R ; Gruwé, M ; Mommaert, C ; Van der Donckt, M ; Van de Vyver, B L ; Vilain, P ; Wilquet, G ; Righini, P ; Saitta, B ; Di Capua, E ; Luppi, C ; Zucchelli, P ; Ishi, Y ; Kawamura, T ; Kazuno, M ; Ogawa, S ; Shibuya, H ; Brunner, J ; Cussans, D G ; Fabre, Jean-Paul ; Ferreira, R ; Flegel, Wilfried ; Litmaath, M ; Macina, Daniela (CERN) ; Meijer-Drees, R ; Meinhard, H ; Migliozzi, P ; Niu, E ; Øverås, H ; Panman, J ; Papadopoulos, I M ; Pesen, E ; Riccardi, F ; Ricciardi, S ; Rozanov, A N ; Saltzberg, D ; Strolin, P ; Tsenov, R V ; Weinheimer, C ; Wong, H ; Goldberg, J ; Höpfner, K ; Chikawa, M ; Arik, E ; Mailov, A A ; Jang, H I ; Park, I G ; Song, J S ; Yoon, C S ; Kodama, K ; Ushida, N ; Aoki, S ; Hara, T ; Brooijmans, G ; Favart, D ; Grégoire, G ; Hérin, J ; Artamonov, S A ; Gorbunov, P ; Khovanskii, V D ; Shamanov, V V ; Bonekämper, D ; Frekers, D ; Rondeshagen, D ; Wolff, T ; Hoshino, K ; Kobayashi, M ; Komatsu, M ; Kotaka, Y ; Kozaki, T ; Miyanishi, M ; Nakamura, M ; Nakazawa, K ; Nakano, T ; Niu, K ; Niwa, K ; Obayashi, Y ; Sato, O ; Toshito, T ; Buontempo, S ; Cocco, A G ; D'Ambrosio, N ; De Lellis, G ; Ereditato, A ; Fiorillo, G ; Garufi, F ; Messina, M ; Palladino, Vittorio ; Sorrentino, S ; Tioukov, V ; Nakamura, K ; Okusawa, T ; Yoshida, T ; Capone, A ; De Pedis, D ; Di Liberto, S ; Dore, U ; Loverre, P F ; Ludovici, L ; Maslennikov, A M ; Mazzoni, M A ; Piredda, G ; Santacesaria, R ; Satta, A ; Barbuto, E ; Di Bartolomeo, A ; Bozza, C ; Grella, G ; Iovane, G ; Romano, G ; Rosa, G ; Sato, Y ; Tezuka, I |
| Affiliation | (Cukurova Univ. Adana) ; (NIKHEF Amsterdam) ; (METU Ankara) ; (Univ. Bari and INFN Bari) ; (Humboldt U., Berlin) ; (Inter-Univ. Inst. High En. (ULB-VUB) Brussels) ; (Univ. Cagliari and INFN Cagliari) ; (Univ. Ferrara and INFN Ferrara) ; (Toho Univ. Funabashi) ; (CERN) ; (Technion Haifa) ; (Kinki Univ. Higashiosaka) ; (Bogazici Univ. Istanbul) ; (Gyeongsang Nat. Univ. Jinju) ; (Aichi Univ. of Education Kariya) ; (Kobe Univ.) ; (Univ. Cathol. Louvain) ; (ITEP Moscow) ; (Westfälische Wilhelms-Univ. Münster) ; (Nagoya Univ.) ; (Univ. Federico II and INFN Naples) ; (Osaka City Univ. Osaka) ; (Univ. La Sapienza and INFN Rome) ; (Univ. Salerno and INFN Salerno) ; (Utsunomiya Univ.) |
| Publication | 1998 |
| Imprint | 13 May 1998 |
| Number of pages | 7 |
| In: | Phys. Lett. B 434 (1998) 205-213 |
| DOI | 10.1016/S0370-2693(98)00781-3 |
| Subject category | Particle Physics - Experiment |
| Accelerator/Facility, Experiment | CERN SPS ; CHORUS WA95 |
| Abstract | Part of the neutrino events collected in 1994-1995 by the CHORUS experiment has been analysed. A search was performed for $\nu_{\tau}$ charged current interactions followed by the $\tau$ lepton deca y into a single charged negative hadron, a possible indication for $\numtonut$ oscillation. A sample of 6,844 events without an identified muon has been located in the emulsion target. Within the s election criteria, no $\tau^-$ candidate has been found. Combining this result with the one from the search for $\nu_\tau$ interactions using the muonic decay mode (36,182 events with an identified muon), a 90\% C.L. limit on the mixing angle $\sin2t < 1.8\cdot 10^{-3}$ (at large $\Delta m^2$) has been derived. |
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