Measurement and analysis of alpha-induced reactions on Ta, Ag and Co

Ismail, M. ; Divatia, A. S. (1988) Measurement and analysis of alpha-induced reactions on Ta, Ag and Co Pramana - Journal of Physics, 30 (3). pp. 193-210. ISSN 0304-4289

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Excitation functions for the reaction 181Ta (α, xn)185-x Re,107,109Ag (α, ypxn) and 59Co (α, ypxn) were obtained from measurements of residual activity of stacked foils from threshold to 60 MeV. The excitation functions for the production of 181Re,182Re,183Re,184Re,105Ag, 111In,54Mn,56Co,58Co, and 60Co, are being presented. The experimental data are compared with calculations considering equilibrium as well as pre-equilibrium reactions according to the hybrid model of Blann. High energy part of the excitation functions is dominated by the pre-equilibrium reaction mechanism. Calculations were done using a priori calculational method of Overlaid Alice Code of Blann. Most of the excitation functions in the energy range mentioned above could be very well fitted with the hybrid model calculation for exciton number n=4 withn p=2 and n n=2. The overall agreement with theory is good. Certain discrepancies, however, indicate the necessity to revise the hybrid model with respect to emission of complex particles.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Cross-section; Stacked Foil Technique; Detector Efficiency; Isotope Production; Pre-equilibrium Decay; Overlaid Alice Code
ID Code:27875
Deposited On:11 Dec 2010 08:19
Last Modified:17 May 2016 11:04

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