Publications [#248857] of Christopher Walter

Papers Published
  1. Ambrosio, M; Antolini, R; Auriemma, G; Bakari, D; Baldini, A; Barbarino, GC; Barish, BC; 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, BC; Coutu, S; Cozzi, M; Cataldo, GD; Dekhissi, H; Marzo, CD; Mitri, ID; Derkaoui, J; Vincenzi, MD; Credico, AD; Erriquez, O; Favuzzi, C; Forti, C; Fusco, P; Giacomelli, G et al., Search for nucleon decays induced by GUT magnetic monopoles with the MACRO experiment, The European Physical Journal C - Particles and Fields, vol. 26 no. 2 (2002), pp. 163-172 [pdf], [doi] .

    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 ∼ 3 · 10-16 cm-2 s-1 sr-1 for 1.1 · 10-4 ≤ |β| ≤ 5 · 10-3, 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.