Dynamics of the Pi^- p -> Pi^0 Pi^0 n Reaction for P_pi- < 750 MeV/c (CROSBI ID 101882)
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Podaci o odgovornosti
Craig, K. ; Comfort, J.R. ; Allgower, C.E. ; Bekrenev, V. ; Berger, E. ; Briscoe, W.J. ; Clajus, M. ; Draper, D. ; Grosnick, D. ; Huber, G.M. ; Isenhower, D. ; Knecht, N. ; Koetke, D. ; Koulbardis, A. ; Kozlenko, N. ; Kruglov, S. ; Lolos, G. ; Lopatin, I. ; Manley, D.M. ; Manweiler, R. ; Marusic, Aljosa ; McDonald, S. ; Nefkens, B.M.K. ; Olmsted, J. ; Papandreou, Z. ; Peaslee, D. ; Phaisangittisakul, N. ; Prakhov, S. ; Price, J.M. ; Pulver, M. ; Ramirez, A.F. ; Sadler, M. ; Shafi, A. ; Spinka, H. ; Stanislaus, T.D.S. ; Starostin, A. ; Staudenmaier, H.M. ; Supek, Ivan ; Tippens, W.B.
engleski
Dynamics of the Pi^- p -> Pi^0 Pi^0 n Reaction for P_pi- < 750 MeV/c
Data are presented for the reaction pi^-p->pi^0pi^0n in the range from threshold to p_pi^-= 750 MeV/c. The systematics of the data and multipole analyses are examined for sensitivity to a f_0(600) ("sigma") meson. A one-pion-exchange mechanism is found to be very weak, or absent. The reaction appears to become dominated by sequential pi^0 decays through the Delta(1232) resonance as the beam momentum increases, along with substantial interference effects from several competing mechanisms.
multipole analyses
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