Study of pp annihilation at rest into ωηπ0

C. Amsler, 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, S. U. Chung, A. Cooper, K. M. Crowe, T. Degener, H. P. DietzS. von Dombrowski, M. Doser, W. Dünnweber, D. Engelhardt, M. Englert, M. A. Faessler, C. Felix, 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, F. Loser, J. Lüdemann, H. Matthäy, M. Merkel, J. P. Merlo, C. A. Meyer, L. Montanet, A. Noble, F. Ould-Saada, K. Peters, C. N. Pinder, G. Pinter, S. Ravndal, J. Salk, A. H. Sanjari, E. Schäfer, B. Schmid, P. Schmidt, S. Spanier, C. Straßburger, U. Strohbusch, M. Suffert, D. Urner, C. Völker, F. Walter, D. Walther, U. Wiedner, N. Winter, J. Zoll, B. S. Zou, Č Zupančič

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Abstract

We have studied pp annihilations at rest in liquid hydrogen into the final state ωηπ0 where ω decays to π0γ. This reaction is dominated by the production of α0(980) and contributions from a2(1320) and b10(1235). Upper limits for the production of an axial vector h′1(1380) meson and vector mesons ω(1390), ω(1600), and φ(1680) decaying to ωη are given. The branching ratio of pp annihilation into ωηπ0 was determined to be (0.68±0.01±0.05)%.

Original languageEnglish
Pages (from-to)425-432
Number of pages8
JournalPhysics Letters B
Volume327
Issue number3-4
DOIs
Publication statusPublished - máj. 19 1994

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Amsler, C., 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., Chung, S. U., Cooper, A., Crowe, K. M., Degener, T., ... Zupančič, Č. (1994). Study of pp annihilation at rest into ωηπ0. Physics Letters B, 327(3-4), 425-432. https://doi.org/10.1016/0370-2693(94)90748-X