Upper limit on the antihelium flux in primary cosmic rays

Mayorov, A;Galper, A;Adriani, O;Bazilevskaya, G;Barbarino, G;Bellotti, R;Boezio, M;Bogomolov, E;Bonvicini, V;Bongi, M;Bonechi, L;Borisov, S;Bottai, S;Bruno, A;Vacci, S;Vannuccini, E;Vasiliev, G;Voronov, S;Wu, Y;Danilchenko, I;Gillard, W;Jerse, G;Zampa, G;Zampa, N;Zverev, V;Casolino, M;Campana, D;Carbone, R;Karelin, A;Carlson, P;Castellini, G;Cafagna, F;Kvashnin, A;Koldashov, S;Koldobsky, S;Krutkov, S;Leonov, A;Malakhov, V;MALVEZZI, VALERIA;Marcelli, L;Menn, W;Mikhailov, V;Mocchiutti, E;Mori, N;Nikonov, N;Osteria, G;Pizzolotto, S;Papini, P;DE PASCALE, MARIA PIA;PICOZZA, PIERGIORGIO;Pearce, M;Riccil, M;Ricciarini, S;Runtso, M;Simon, M;De Simone, N;SPARVOLI, ROBERTA;Spillantini, P;Stozhkov, Y;Di Felice, V;Yurkin, Y.

2011-01-01