Upper limit on the decay Σ(1385)−→Σ−γ and cross section for γΣ−→Λπ−

Autor: E. J. Ramberg, P. Gouffon, A. I. Sitnikov, V. V. Molchanov, M. Gaspero, G.V. Davidenko, M. Iori, P. Mathew, M. Zielinski, M. Luksys, L.G. Landsberg, J. M. You, G. B. Dzyubenko, I. Eschrich, A. P. Nilov, Mithat Kaya, P. S. Cooper, Zhenlin Mao, Simon Kwan, E. McCliment, F. G. Garcia, C. R. Newsom, S. B. Nurushev, I. Giller, A. Lamberto, Aldo Penzo, M.Y. Balatz, Nikolay Terentyev, M. Mattson, A. Morelos, L. M. Kochenda, J. Lach, A. A. Vorobyov, K. D. Nelson, L. Stutte, Thomas Ferbel, V. E. Vishnyakov, C.O. Escobar, A. Ocherashvili, G. F. Rappazzo, C. Hammer, V. Steiner, Chensheng Mao, J. Kilmer, B. V. Razmyslovich, A. M. F. Endler, T. Lungov, L. J. Dauwe, D. V. Vavilov, Lev Uvarov, K. Vorwalter, R. M. Edelstein, P. Pogodin, Shuchen Zheng, V. Stepanov, V. P. Maleev, A. V. Evdokimov, Viktor Matveev, M. A. Kubantsev, V. I. Rud, D. Mao, Victor Golovtsov, V. A. Mukhin, M. Procario, A. I. Kulyavtsev, Murray Moinester, D. Casey, Wenheng Zhao, J. Simon, R. Zukanovich-Funchal, E. M. Leikin, Z. H. Zhu, Victor Kim, M. Srivastava, Suat Ozkorucuklu, James Russ, Yasar Onel, Vincent J Smith, P. Schiavon, A. P. Kozhevnikov, P. V. Neoustroev, A.G. Dolgolenko, M. Svoiski, V. A. Victorov, Andrey Vasiliev, I.S. Filimonov, G. Alkhazov, Kangling He, A. Kushnirenko, E. Ozel, A.V Nemitkin, V. A. Prutskoi, N. P. Kuropatkin, Nikolay Bondar, V. P. Kubarovsky, G. P. Thomas, L. Emediato, A. G. Krivshich, Jürgen Engelfried, Yunshan Li, I. Konorov, I. Larin, V. F. Kurshetsov, H. Krüger, S. V. Petrenko, D. Skow, A.G. Atamantchouk, S. Y. Jun, Erhan Gülmez, V. S. Verebryusov, U. Dersch, Patrick Slattery
Rok vydání: 2004
Předmět:
Zdroj: Physics Letters B. 590:161-169
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2004.04.006
Popis: Coherent Λπ− production on Pb of 600 GeV Σ− hyperons has been studied with the SELEX facility at Fermilab. Using the Primakoff formalism, we set a 90% CL upper limit on the radiative decay width Γ[Σ(1385)−→Σ−γ] s ≈1.385 GeV to be 56±16 μb.
Databáze: OpenAIRE
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