Origin of protons in Californium-252 fission

Journal Article · Sun May 01 04:00:00 EDT 1977 · Nucl. Sci. Eng.; (United States)

OSTI ID:7106347

Adams, J A; Roy, R R

Protons from /sup 252/Cf fission have been studied to determine their origin by using a ..delta..E, E detector particle telescope. Both fission- and nonfission-related events are discussed as possible sources of the observed proton energy spectrum. The increased yield of low-energy protons, which peak at approximately 3.2 MeV, seems to be due mainly to background (..cap alpha..,p) reactions. Evidence of polar proton emission is discussed and gives an estimated polar proton emission yield of 2.83 +- 0.18 x 10/sup -5/ per fission, with a most probable energy of 10.0 +- 0.2 MeV and full-width at half-maximum (FWHM) of 7.6 +- 0.2 MeV. The yield of tripartition fission-related protons was then estimated to be 3.50 +- 0.20 x 10/sup -5/ per fission, with a most probable energy of 6.6 +- 0.2 MeV and an FWHM of 7.0 +- 0.2 MeV.

• Research Organization: Arizona State Univ., Tempe
• OSTI ID: 7106347
• Journal Information: Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 63:1; ISSN NSENA
• Country of Publication: United States
• Language: English

Related Subjects

652026* -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BARYONS
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
ELEMENTARY PARTICLES
EVEN-EVEN NUCLEI
FERMIONS
FISSION
HADRONS
HEAVY NUCLEI
ISOTOPES
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
PROTON SPECTRA
PROTONS
RADIOISOTOPES
SPECTRA
SPONTANEOUS FISSION
YEARS LIVING RADIOISOTOPES