PROBABILITY OF TRIPLE FISSION OF U$sup 233$ NUCLEI INDUCED BY RESONANCE NEUTRONS

Journal Article · Sat Sep 01 04:00:00 EDT 1962 · Zh. Eksperim. i Teor Fiz.

OSTI ID:4770496

Panov, A A

The relative cross section for triple fission of U/sup 233/ nuclei is measured in the 1 to 10 ev neutron energy region by a time-of-flight method with a resolving time of 2 mu sec/m. The resonances observed have the same energy is the resonances in double U/sup 233/ fission. Within the limits it statistical errors (<8%) the ratio of the two fission cross sections of the U/sup 233/ triple fission probility are independent of the neutron energy. (auth) The angular and energy distributions and the yields of photoprotons from W nuclei for E/sup gamma max/ = 22.5 Mev and 33.5 Mev and from Pt and Pb nuclei for E/sup gamma max/ = 22.5 Mev and 33.5 Mev respectively, are measured. The photoproton angular distributions are asymmetric relative to 90 deg , the maximum being shifted toward small angles. The asymmetry increases with increase of the photoproton energy as well as with increase of the maximal gamma -radiation energy. The maximum of the cross sections for photoproton production lies above 22 Mev, and gamma -ray absorption in this region is chiefly of a quadrupole nature. (auth)

• Research Organization: Inst. of Theoretical and Experimental Physics, Academy of Sciences, USSR
• NSA Number: NSA-17-002321
• OSTI ID: 4770496
• Journal Information: Zh. Eksperim. i Teor Fiz., Journal Name: Zh. Eksperim. i Teor Fiz. Vol. Vol: 43
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

CROSS SECTIONS
ENERGY
ENERGY RANGE
ERRORS
EV RANGE
FISSION
MEASURED VALUES
NEUTRON SPECTROMETERS
PHYSICS
PROBABILITY THEORY
RESOLUTION
RESONANCE NEUTRONS
STATISTICS
TIME OF FLIGHT METHOD
URANIUM 233