Search for nucleon decays induced by GUT magnetic monopoles with the MACRO experiment

Autor: Ambrosio, M., Antolini, R., Auriemma, G., Bakari, D., Baldini, A., Barbarino, G.C., Barish, B.C., Battistoni, G., Becherini, Y., Bellotti, R., Bemporad, C., Bernardini, P., Bilokon, H., Bloise, C., Bower, C., Brigida, M., Bussino, S., Cafagna, F., Calicchio, M., Campana, D., Carboni, M., Caruso, R., Cecchini, S., Cei, F., Chiarella, V., Choudhary, B.C., Coutu, S., Cozzi, M., De Cataldo, G., Dekhissi, H., De Marzo, C., De Mitri, I., Derkaoui, J., De Vincenzi, M., Di Credico, A., Erriquez, O., Favuzzi, C., Forti, C., Fusco, P., Giacomelli, G., Giannini, G., Giglietto, N., Giorgini, M., Grassi, M., Grillo, A., Guarino, F., Gustavino, C., Habig, A., Hanson, K., Heinz, R., Iarocci, E., Katsavounidis, E., Katsavounidis, I., Kearns, E., Kim, H., Kyriazopoulou, S., Lamanna, E., Lane, C., Levin, D.S., Lipari, P., Longley, N.P., Longo, M.J., Loparco, F., Maaroufi, F., Mancarella, G., Mandrioli, G., Manzoor, S., Margiotta, A., Marini, A., Martello, D., Marzari-Chiesa, A., Mazziotta, M.N., Michael, D.G., Monacelli, P., Montaruli, T., Monteno, M., Mufson, S., Musser, J., Nicolò, D., Nolty, R., Orth, C., Osteria, G., Palamara, O., Patera, V., Patrizii, L., Pazzi, R., Peck, C.W., Perrone, L., Petrera, S., Pistilli, P., Popa, V., Rainò, A., Reynoldson, J., Ronga, F., Rrhioua, A., Satriano, C., Scapparone, E., Scholberg, K., Sciubba, A., Serra, P., Sioli, M., Sirri, G., Sitta, M., Spinelli, P., Spinetti, M., Spurio, M., Steinberg, R., Stone, J.L., Sulak, L.R., Surdo, A., Tarlè, G., Togo, V., Vakili, M., Walter, C.W., Webb, R.
Zdroj: The European Physical Journal C - Particles and Fields; December 2002, Vol. 26 Issue: 2 p163-172, 10p
Abstrakt: Abstract.: The interaction of a Grand Unification Magnetic Monopole with a nucleon can lead to a barion-number violating process in which the nucleon decays into a lepton and one or more mesons (catalysis of nucleon decay). In this paper we report an experimental study of the effects of a catalysis process in the MACRO detector. Using a dedicated analysis we obtain new magnetic monopole (MM) flux upper limits at the level of for , based on the search for catalysis events in the MACRO data. We also analyze the dependence of the MM flux limit on the catalysis cross section.
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