Photoproduction of pi^0 eta on protons and the Delta(1700)D_33 resonance (CROSBI ID 148710)
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Podaci o odgovornosti
Kashevarov, V.L. ; Fix, A. ; Aguar-Bartolomé, P. ; Akasoy, L.K. ; Annand, J.R.M. ; Arends, H.J. ; Bantawa, K. ; Beck, R. ; Bekrenev, V. ; Berghäuser, H. ; Boillat, B. ; Braghieri, A. ; Branford, D. ; Briscoe, W.J. ; Brudvik, J. ; Cherepnya, S. ; Downie, E.J. ; Drexler, P. ; Fil'kov, L.V. ; Glazier, D.I. ; Gregor, R. ; Heid, E. ; Hornidge, D. ; Jahn, O. ; Jude, T.C. ; Knežević, Andrea ; Kondratiev, R. ; Korolija, Milorad ; Kotulla, M. ; Koulbardis, A. ; Kruglov, S. ; Krusche, B. ; Lisin, V. ; Livingston, K. ; MacGregor, I.J.D. ; Maghrbi, Y. ; Manley, D.M. ; Martinez, M. ; McGeorge, J.C. ; McNicoll, E.F. ; Mekterović, Darko ; Metag, V. ; Mićanović, Saša ; Nefkens, B.M.K. ; Novotny, R. ; Ostrick, M. ; Owens, R.O. ; Pedroni, P. ; Pheron, F. ; Polonski, A. ; Prakhov, S ; Robinson, J. ; Rosner, G. ; Rostomyan, T. ; Schumann, S. ; Sober, D.I. ; Starostin, A. ; Suarez, I.M. ; Supek, Ivan ; Tarbert, C.M. ; Thiel, M. ; Thomas, A. ; Unverzagt, M. ; Watts, D.P. ; Zamboni, Ivana ; Zehr, F.
engleski
Photoproduction of pi^0 eta on protons and the Delta(1700)D_33 resonance
Total and differential cross sections for the reaction gamma p -> pi^0 eta p have been measured with the Crystal Ball/TAPS detector using the tagged photon facility at the MAMI C accelerator in Mainz. In the energy range E_gamma=0.95-1.4 GeV the reaction is dominated by the excitation and sequential decay of the Delta(1700)D_33 resonance. Angular distributions measured with high statistics allow us to determine the ratio of hadronic decay widths Gamma_(eta Delta)/Gamma_(pi S11) and the ratio of the helicity amplitudes A_(3/2)/A_(1/2) for this resonance.
photoproduction ; Crystal Ball ; Delta resonance
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