A Bubble Chamber Study of the 2[pi] ̊final Stage and Neutral Decays of the [eta], [omega], and [eta]1 Mesons in the Reaction [pi]++n[right Arrow]p+[gamma] Rays at 2,15 GEV/C |
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3y events 3y rays amplitude angular distribution assumed background beam momentum beam tracks branching ratio Bubble Chamber calculated Carroll center of mass Chapter III Section charge exchange constraint correction factor counters cross section corrections curve Danburg decay mode determined deuterium equation events fit EVENTS NOT FITTING experiment fiducial volume film Gev/c hypothesis kinematic fitting lepton magnetic Malamud and Schlein MASS GeV/c² mass spectrum measured mesons MeV/c missing mass MISSING MASS)² momentum greater momentum less momentum transfer Monte Carlo Monte Carlo program nucleon NUMBER OF EVENTS opening angle parameters phase shift phase space Phys pion plates predictions production pronged events proton contamination ray detection efficiency ray energies reaction resonance s-wave scanning efficiency shown in Figure Spark Chamber spectator momentum Table tantalum Unseen spectator wallet card width y ray μ² π π ππ