Author/Authors :
WA102 Collaboration، نويسنده , , D Barberis، نويسنده , , F.G. Binon، نويسنده , , F.E. Close ، نويسنده , , K.M. Danielsen، نويسنده , , S.V. Donskov، نويسنده , , B.C. Earl، نويسنده , , D Evans، نويسنده , , B.R. French، نويسنده , , T Hino، نويسنده , , S Inaba، نويسنده , , A. Jacholkowski، نويسنده , , T Jacobsen، نويسنده , , G.V. Khaustov، نويسنده , , J.B. Kinson، نويسنده , , A Kirk، نويسنده , , A.A Kondashov، نويسنده , , A.A Lednev، نويسنده , , V Lenti، نويسنده , , I Minashvili، نويسنده , , et al.، نويسنده ,
Abstract :
Evidence is presented that the Pomeron acts as a non-conserved vector current. A study has been made of the azimuthal angle φ, which is defined as the angle between the pT vectors of the two outgoing protons, in the reaction pp→pp(X0) for those resonances (X0) which are compatible with being produced by double Pomeron exchange. These distributions have been compared with a model which describes the Pomeron as a non-conserved vector current and a qualitative agreement is found. In addition, when one of the particles exchanged is known to have spin 0, namely π–Pomeron exchange, the φ distribution is flat.
