Trigger for the WA92 fixed-target beauty experiment

• Published in: Nuclear physics. Section B, Proceedings supplement Vol. 44; no. 1; pp. 435 - 440
• Main Authors: Adamovich, M., Adinolfi, M., Alexandrov, Y., Angelini, C., Bacci, C., Barberis, D., Barney, D., Batten, J., Beusch, W., Bruschini, C., Cardarelli, R., Cardini, A., Casanova, V., Ceradini, F., Ciapetti, G., Dameri, M., Darbo, G., Di Ciaccio, A., Duane, A., Dufey, J.P., Farthouat, Ph, Flaminio, V., Forino, A., French, B.R., Frenkel, A., Gemme, C., Gessaroli, R., Harrison, K., Hummadi, N., Hurst, R., Kirk, A., Lacava, F., Lassalle, J.C., Lazzeroni, C., Malferrari, L., Maljukov, S., Martellotti, G., Martinengo, P., Mazzanti, P., McEwen, J.G., Minashvili, I., Musico, P., Nechaeva, P., Novelli, P., Nisati, A., Orestano, D., Osculati, B., Passaseo, M., Penso, G., Petrolo, E., Pontecorvo, L., Quareni, A., Ragni, P., Rotscheidt, H., Ryzhov, V., Roda, C., Rossi, L., Russakovich, N., Salvo, C., Santonico, R., Schuler, G., Semenov, A., Solovjev, A., Torelli, M., Veneziano, S., Vernocchi, F., Verzocchi, M., Websdale, D., Weymann, M., Zanello, L., Zavertyaev, M.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 1995
• ISSN: 0920-5632; 1873-3832
• DOI: 10.1016/S0920-5632(95)80067-0

This report describes the WA92 trigger system which has been designed to collect beauty decays from fixedtarget hadronic interactions. It incorporates muon and high P t triggers, and a novel pixel processor that searches for secondary vertices downstream of the target.