Search for the pentaquark candidateΘ(1540)+in the hyperon beam experiment WA89
Autor: | J. Pochodzalla, V. Smith, W. Bruckner, C. Newsom, G. Rosner, H. W. Siebert, T. Walcher, R. Ransome, U. Muller, M. Boss, M. Beck, G. Walder, C. Busch, L. Schmitt, H. Rudolph, N. Keller, P. Martin, K. Konigsmann, E. Vesin, Jürgen Engelfried, E. A. Chudakovc, I. Konorov, M. Godbersen, H. Neeb, L. Rossi, D. Barberis, R. Werding, F. Faller, J. Chauvin, K. Vorwalter, U. Dersch, M. Rey-Campagnolle, I. K. Potashnikova, E. Wittmann, Bogdan Povh, K. Martens, R. B. Hurst, B. Volkemer, W. Beusch, F. Charignon, E. Hubbard, C. Berat, R. Michaels, O. Thilmann, M. Buenerd, D. Newbold, Y. A. Alexandrov, A. Trombini, M. I. Adamovich, C. Scheel, A. Fournier, M. Heidrich, C. Buscher, S. G. Gerassimov, S. Masciocchi, T. Haller, Z. Ren, S. Brons, A. Simon, F. Dropmann, S. P. Baranov, S. Paul, Mikhail Zavertyaev, P. Grafstrom |
---|---|
Rok vydání: | 2005 |
Předmět: | |
Zdroj: | Physical Review C. 72 |
ISSN: | 1089-490X 0556-2813 |
DOI: | 10.1103/physrevc.72.055201 |
Popis: | We report on a high-statistics search for the {theta}(1540){sup +} resonance in {sigma}{sup -}-nucleus collisions at 340 GeV/c. No evidence for this resonance was found in our data sample which contains 13 million K{sub s}{sup 0}{yields}{pi}{sup +}{pi}{sup -} decays above background. For the decay channel {theta}{sup +}{yields}K{sub s}{sup 0}p and the kinematic range x{sub F}> 0.05, we find the production cross section to be BR({theta}{sup +}{yields}K{sub s}{sup 0}p){sigma}{sub 0} |
Databáze: | OpenAIRE |
Externí odkaz: |