Thick-target recoil properties of deep spallation and fragmentation products of the interaction of tantalum with 3.65 AGeV 12C-ions and 3.65 GeV protons have been studied. The kinematic parameters such as mean product kinetic energies and velocities of the remnant have been deduced from the data by means of the two-step vector velocity model of high-energy reactions. The results have also been used to test the applicability of the factorization hypothesis to the kinematic properties.
ASYM=F/B, WHERE F AND B ARE THE FRACTIONAL NUMBERS OF PRODUCT RECOILING INTO THE FORWARD AND BACKWARD CATCHER, RESPECTIVELY.
ASYM=F/B, WHERE F AND B ARE THE FRACTIONAL NUMBERS OF PRODUCT RECOILING INTO THE FORWARD AND BACKWARD CATCHER, RESPECTIVELY.
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The photon asymmetry (α γ ) and partial branching ratio above 57 MeV ( R k > 57) have been measured for radiative muon capture on 40 Ca in order to determine the magnitude of the induced-pseudoscalar coupling constant, g p . Based on 2500 events a value of α γ = 1.32 +0.57 −0.47 is obtained from a fit to the photon time spectrum; this implies a value for g p <5.2 g A . For the first time the asymmetry signal is clearly visible and unconstrained multi-parameter fits reproduce the parameters obtained from the decay electron spectrum. The present results are discussed and compared in detail with previous results.
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