Fission of heavy nuclei induced by energetic pions
Book
·
OSTI ID:5112666
Fission of /sup 238/U, /sup 209/Bi and /sup 197/Au induced by both positive and negative pion beams at incident energies of 60 to 100 MeV is examined. Energy and mass spectra and angular correlations of coincident fission fragments are compared to theoretical calculations and to other data. Excitation energies of the fissioning systems in excess of 100 MeV are deduced, implying that the fission examined in this study is caused primarily by true absorption of the pion. The masses of the coincident fission fragments are found to have a wider distribution than those from fissioning systems of similar excitation energy induced by nucleon beams. The fission cross sections are close to the reaction cross sections for /sup 238/U and scale with the fissility for the other nuclei studied.
- DOE Contract Number:
- AC02-81ER40016
- OSTI ID:
- 5112666
- Country of Publication:
- United States
- Language:
- English
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Fission of heavy nuclei induced by energetic pions
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Sun Mar 31 23:00:00 EST 1985
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Fission of heavy nuclei induced by energetic pions
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Measurements of neutron-induced fission cross sections for {sup 209}Bi, {sup nat}Pb, {sup 208}Pb, {sup 197}Au, {sup nat}W, and {sup 181}Ta in the intermediate energy region
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Related Subjects
651925* -- Nuclear Properties & Reactions
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
652025 -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR CORRELATION
BISMUTH 209 TARGET
CHARGED-PARTICLE REACTIONS
COINCIDENCE METHODS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
ENERGY RANGE
ENERGY SPECTRA
FISSION
FISSION FRAGMENTS
GOLD 197 TARGET
HADRON REACTIONS
MESON REACTIONS
MEV RANGE
MEV RANGE 10-100
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SPECTRA
TARGETS
URANIUM 238 TARGET
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
652025 -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR CORRELATION
BISMUTH 209 TARGET
CHARGED-PARTICLE REACTIONS
COINCIDENCE METHODS
CORRELATIONS
COUNTING TECHNIQUES
CROSS SECTIONS
ENERGY RANGE
ENERGY SPECTRA
FISSION
FISSION FRAGMENTS
GOLD 197 TARGET
HADRON REACTIONS
MESON REACTIONS
MEV RANGE
MEV RANGE 10-100
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SPECTRA
TARGETS
URANIUM 238 TARGET