Observation of two JPC=0++ isoscalar resonances at 1365 and 1520 MeV

V. V. Anisovich, D. S. Armstrong, I. Augustin, C. A. Baker, B. M. Barnett, C. J. Batty, K. Beuchert, P. Birien, P. Blüm, R. Bossingham, K. Braune, J. Brose, D. V. Bugg, M. Burchell, T. Case, A. Cooper, K. M. Crowe, T. Degener, H. P. Dietz, M. DoserW. Dünnweber, D. Engelhardt, M. Englert, M. A. Faessler, C. Felix, G. Folger, R. Hackmann, R. P. Haddock, F. H. Heinsius, N. P. Hessey, P. Hidas, P. Illinger, D. Jamnik, Z. Jávorfi, H. Kalinowsky, B. Kämmle, T. Kiel, J. Kisiel, E. Klempt, M. Kobel, H. Koch, C. Kolo, K. Königsmann, M. Kunze, R. Landua, J. Lüdemann, H. Matthäy, M. Merkel, J. P. Merlo, C. A. Meyer, L. Montanet, A. Noble, K. Peters, C. N. Pinder, G. Pinter, S. Ravndal, J. Salk, A. H. Sanjari, A. V. Sarantsev, E. Schäfer, B. Schmid, P. Schmidt, S. Spanier, C. Straßburger, U. Strohbusch, M. Suffert, C. Völcker, F. Walter, D. Walther, U. Wiedner, N. Winter, J. Zoll, B. Zou

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Abstract

From a simultaneous analysis of data on pp → π0π0π0 and pp → ηηπ0 at rest, two I = 0, JPC = 0++ resonances are identified above 1 GeV. The first has mass M = 1365-55+20 MeV and width g{cyrillic} = 268 ± 70 MeV, close to the f{hook}0(1400) of the Particle Data Group. The second has M = 1520 ± 25 MeV, g{cyrillic} = 148-25+20 MeV.

Original languageEnglish
Pages (from-to)233-241
Number of pages9
JournalPhysics Letters B
Volume323
Issue number2
DOIs
Publication statusPublished - Mar 10 1994

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Anisovich, V. V., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Blüm, P., Bossingham, R., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Crowe, K. M., Degener, T., Dietz, H. P., ... Zou, B. (1994). Observation of two JPC=0++ isoscalar resonances at 1365 and 1520 MeV. Physics Letters B, 323(2), 233-241. https://doi.org/10.1016/0370-2693(94)90297-6