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Reactions of Iron-54 with Alpha-Particles

Journal Article · · Journal of the Physical Society of Japan
DOI:https://doi.org/10.1143/JPSJ.15.1547· OSTI ID:4137223
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Excitation functions for the ( alpha ,p), ( alpha ,n), ( alpha ,pn), ( alpha ,2n), ( alpha ,p2n + alpha ,3n), ( alpha , alpha n), alpha , alpha pn), and ( alpha , alpha 2n) reactions on Fe/sup 54/ were measured by the activation method using a "stacked-foil" technique. Tbe alpha -particle energies ranged from 10 to 40 Mev. The predominance of proton emission over neutron emission was observed. The ratios of c( alpha ,p)/ sigma ( alpha ,n) and sigma ( alpha ,pn)/ sigma ( alpha ,2n) in the region of maximum yield were found to be 3.4 and 60, respectively. The ratio of sigma ( alpha , alpha pn)/ sigma ( alpha , alpha 2n) at 40 Mev was about 180. A small "knee" was observed at the incident alpha - particle energy of about 20 Mev in the excitation function for the ( alpha ,2n) reaction. The total reaction cross section was found to agree with the value calculated from continuum theory for a nuclear radius constant r₀ of 1.7 x 10⁻¹³ cm, assuming a nuclear square-well petential. (auth)
Research Organization:
Tokyo Univ.
Sponsoring Organization:
USDOE
NSA Number:
NSA-14-026288
OSTI ID:
4137223
Journal Information:
Journal of the Physical Society of Japan, Journal Name: Journal of the Physical Society of Japan Journal Issue: 9 Vol. 15; ISSN 0031-9015
Publisher:
Physical Society of Japan
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ACTIVATION
ALPHA BEAMS
ALPHA PARTICLES
CROSS SECTIONS
EMISSION
ENERGY RANGE
EXCITATION
FOILS
INTERACTIONS
IRON 54
MEASURED VALUES
NEUTRONS
NUCLEAR MODELS
NUCLEAR RADII
NUCLEAR REACTIONS
PERFORMANCE
PHYSICS
PROTONS