par Alde, D.;Binon, Freddy ;Bricman, Charles ;Donskov, Sergey;Dufournaud, J.;Gouanère, M.;Inyakin, Alexandre A.V.;Kachanov, Vasilij V.A.;Kakauridze, D.B. D.B.;Khaustov, G.;Knapp, Edward E.A.;Kulik, Alexei A.V.;Lagnaux, Jean-Pierre ;Lednev, Andrey;Mikhailov, Yu;Mouthuy, Th;Obraztsov, V.;Peigneux, Jean Pierre;Possoz, A.;Prokoshkin, Yu Y.D.;Rodnov, Yu Y.V.;Sadovsky, Sergey S.A.;Samoylenko, Vladimir;Shagin, Petr P.M.;Sillou, Daniel;Singovsky, Alexandre A.V.;Stroot, Jean-Pierre ;Sugonyaev, Valentine
Référence Physics letters. Section B, 177, 1, page (120-124)
Publication Publié, 1986-09
Référence Physics letters. Section B, 177, 1, page (120-124)
Publication Publié, 1986-09
Article révisé par les pairs
Résumé : | A structure has been observed at 2220 MeV in the mass spectrum of ηη′ systems produced by 38GeV/c and 100 GeV/c′ negative pions on protons. The angular distribution of the decay products shows that this structure is presumably a spin J ≥ 2 meson. © 1986. |