A partial wave analysis of the centrally produced π+ π- system in pp interactions at 450 GeV/c

D. Barberis, W. Beusch, F. G. Binon, A. M. Blick, F. E. Close, K. M. Danielsen, A. V. Dolgopolov, S. V. Donskov, B. C. Earl, D. Evans, B. R. French, T. Hino, S. Inaba, A. V. Inyakin, T. Ishida, A. Jacholkowski, T. Jacobsen, G. T. Jones, G. V. Khaustov, T. KinashiJ. B. Kinson, A. Kirk, W. Klempt, V. Kolosov, A. A. Kondashov, A. A. Lednev, V. Lenti, S. Maljukov, P. Martinengo, I. Minashvili, T. Nakagawa, K. L. Norman, J. P. Peigneux, S. A. Polovnikov, V. A. Polyakov, V. Romanovsky, H. Rotscheidt, V. Rumyantsev, N. Russakovich, V. D. Samoylenko, A. Semenov, M. Sené, R. Sené, P. M. Shagin, H. Shimizu, A. V. Singovsky, A. Sobol, A. Solovjev, M. Stassinaki, J. P. Stroot, V. P. Sugonyaev, K. Takamatsu, G. Tchlatchidze, T. Tsuru, M. Venables, O. Villalobos Baillie, M. F. Votruba, Y. Yasu

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Abstract

A partial wave analysis of the centrally produced π+ π- channel has been performed in pp collisions using an incident beam momentum of 450 GeV/c. An unambiguous physical solution has been found. Evidence is found for the f0(980), f0(1300), f0(1500) and fJ(1710) with J = 0 in the S-wave. The ρ(770) is observed dominantly in the P-0-wave and the f2(1270) is observed dominantly in the D-0-wave. In addition, there is evidence for a broad enhancement in the D-wave below 1 GeV.

Original languageEnglish
Pages (from-to)316-324
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume453
Issue number3-4
DOIs
Publication statusPublished - 1999 May 6

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Barberis, D., Beusch, W., Binon, F. G., Blick, A. M., Close, F. E., Danielsen, K. M., Dolgopolov, A. V., Donskov, S. V., Earl, B. C., Evans, D., French, B. R., Hino, T., Inaba, S., Inyakin, A. V., Ishida, T., Jacholkowski, A., Jacobsen, T., Jones, G. T., Khaustov, G. V., ... Yasu, Y. (1999). A partial wave analysis of the centrally produced π+ π- system in pp interactions at 450 GeV/c. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 453(3-4), 316-324. https://doi.org/10.1016/S0370-2693(99)00366-4