Study of the isovector scalar mesons in the channel p̄p → K±K0 Sπ at rest with initial angular momentum state selection

A. Bertin, M. Bruschi, M. Capponi, S. De Castro, R. Dona', A. Ferretti, D. Galli, B. Giacobbe, U. Marconi, M. Piccinini, M. Poli, N. Semprini Cesari, R. Spighi, V. Vagnoni, S. Vecchi, F. Vigotti, M. Villa, A. Vitale, A. Zoccoli, A. BenedettiniE. Lodi Rizzini, A. Zenoni, L. Venturelli, M. Corradini, A. Donzella, C. Cicalo', A. Masoni, S. Mauro, G. Puddu, S. Serci, P. Temnikov, G. Usai, O. E. Gorchakov, S. N. Prakhov, A. M. Rozhdestvensky, M. G. Sapozhnikov, V. I. Tretyak, P. Gianotti, C. Guaraldo, A. Lanaro, V. Lucherini, F. Nichitiu, C. Petrascu, A. Rosca, V. Ableev, C. Cavion, U. Gastaldi, M. Lombardi, G. Maron, R. A. Ricci, G. Vedovato, G. Bendiscioli, V. Filippini, A. Fontana, P. Montagna, A. Rotondi, A. Saino, P. Salvini, C. Scoglio, M. Agnello, F. Balestra, E. Botta, T. Bressani, M. P. Bussa, L. Busso, P. Cerello, D. Calvo, S. Costa, O. Denisov, D. D'Isep, A. Feliciello, L. Ferrero, A. Filippi, R. Garfagnini, A. Grasso, F. Iazzi, A. Maggiora, S. Marcello, B. Minetti, D. Panzieri, E. Rossetto, F. Tosello, L. Valacca, G. Zosi, G. Pauli, S. Tessaro, L. Santi

Research output: Contribution to journalArticlepeer-review

Abstract

The study of the I = 1, JPC = 0++ states with the OBELIX detector in the channel p̄p → K±K0 Sπ at three different target densities is reported. The data show the evidence for an extra scalar state with mass 1.29 ± 0.01 GeV/c2 and width 0.080 ± 0.005 GeV/c2.

Original languageEnglish
Pages (from-to)180-188
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume434
Issue number1-2
DOIs
Publication statusPublished - 20 Aug 1998
Externally publishedYes

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