EXCITATION FUNCTIONS FOR ALPHA-INDUCED REACTIONS ON MANGANESE-55
Technical Report
·
OSTI ID:4234345
Excitation functions for the reactions Mn/ sup55/( alpha ,n)Co/sup 58/, 5/( alpha ,n)Mn/sup 55/ and hod using a stacked-foil technique, the alpha- particle energies rangnng from 10 to 40 Mev. Bombardments were made with the alpha-particle beam of 32 and 40 Mev from the 160 cm INSJ cyclotron. The beam was collected in a Faraday cup and measured by a current integrator. After bombardments, manganese, cobalt, and iron were chemically separated. The disintegration rates of product nuclei Co/sup 58/, Co/sup 57/, Co/sup 56/, and Mn/ sup 54/ were obtained by the gamma-ray scintillation spectrometry, while that of Mn/sup 56/ by a calibrated end-window type Geiger counter. The reaction cross section was found to agree with calculated value for a nuclear radius constant r/ sub 0/ of 1.7 x 10/sup -13/ cm. Competition between different reactions was analyzed in terms of the statistical model of nuclear reaction by use of a level density expression of mu = c expSTA2(aE)/sup 1/2!, and agreed with the calculated values for a = 2 Mev/sup -1/. (auth)
- Research Organization:
- Tokyo Univ. Inst. for Nuclear Study
- NSA Number:
- NSA-14-002006
- OSTI ID:
- 4234345
- Report Number(s):
- NP-8031
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ACTIVATION-- ALPHA BEAMS-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- FOILS-- MANGANESE 55-- MEASURED VALUES-- NUCLEAR REACTIONS
ALPHA BEAMS-- ALPHA PARTICLES-- CROSS SECTIONS-- ENERGY RANGE- - EXCITATION-- MANGANESE 54-- MANGANESE 55-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 56-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MANGANESE 55-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 57-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 58-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MANGANESE 55-- MEASURED VALUES-- NEUTR
PHYSICS
ALPHA BEAMS-- ALPHA PARTICLES-- CROSS SECTIONS-- ENERGY RANGE- - EXCITATION-- MANGANESE 54-- MANGANESE 55-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 56-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MANGANESE 55-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 57-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MEASURED VALUES-- NEUTRONS-- NUCLEAR REACTIONS
ALPHA BEAMS-- COBALT 58-- CROSS SECTIONS-- ENERGY RANGE-- EXCITATION-- MANGANESE 55-- MEASURED VALUES-- NEUTR
PHYSICS