Measurement of the total cross section of the reaction K- p→Σ0γ between 514 and 750 MeV/c

T. D S Stanislaus, V. V. Abaev, D. Allen, C. E. Allgower, J. Alyea, M. A. Bates, V. S. Bekrenev, W. J. Briscoe, R. V. Cadman, J. Comfort, R. Corliss, K. Craig, A. Gibson, R. Greene, D. P. Grosnick, D. Isenhower, T. E. Kasprzyk, N. Knecht, D. D. Koetke, N. G. KozlenkoS. P. Kruglov, A. A. Kulbardis, G. Lolos, I. V. Lopatin, D. M. Manley, R. Manweiler, A. Marušić, S. McDonald, J. Olmsted, Z. Papandreou, D. C. Peaslee, N. Phaisangittisakul, J. W. Price, A. F. Ramirez, M. Sadler, S. Schlobohm, A. Shafi, H. Spinka, H. M. Staudenmaier, I. I. Strakovsky, I. Supek, J. Thoms, S. Wolf

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We report the first measurements of the total cross section of the reaction K-p→Σ0γ at eight beam momenta from 514 to 750 MeV/c. The data were obtained at the Alternating Gradient Synchrotron (AGS) at Brookhaven National Laboratory using the Crystal Ball detector consisting of 672 NaI crystals. All charged particles were vetoed by a barrel of plastic scintillators, resulting in a study of only the neutral decays of the Σ0. The prompt photon and the photons from the decay products of Σ0 were detected for each reconstructed event; the neutron was also detected in a small fraction of the events.

Original languageEnglish (US)
Article number015203
JournalPhysical Review C - Nuclear Physics
Issue number1
StatePublished - Jan 16 2009

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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