Evidence for nuclear superfluidity in /sup 236/U isomeric- and prompt-fission modes
Journal Article
·
· Phys. Rev. Lett.; (United States)
Isomer fission in /sup 236m/U, t/sub 1/2/=125 nsec, from /sup 235/U(d,pf) was compared with prompt fission /sup 235/U(n/sub th/, f), in twin experiments. Fine structure in the total kinetic energy, average total kinetic energy as a function of mass, and mass yield were observed in isomer fission of /sup 236m/U. This observation is compatible with a superfluid descent from saddle to scission points. Two peaks in the total-kinetic-energy distribution from isomer fission are observed near fragment mass 132, and this is interpreted as due to the proton-pairing effect at Z=50.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- OSTI ID:
- 5403087
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 44:18; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Tue May 15 00:00:00 EDT 2007
· Physical Review. C, Nuclear Physics
·
OSTI ID:20995287
Isomeric-to-prompt fission ratios for the uranium fission isomers /sup 236/U/sup m/ and /sup 238/U/sup m/. [17 to 25 MeV]
Journal Article
·
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· Phys. Rev., C; (United States)
·
OSTI ID:5363428
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Journal Article
·
Mon Jan 31 23:00:00 EST 2005
· Physics of Atomic Nuclei
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OSTI ID:20692730
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
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
DETECTION
DEUTERON REACTIONS
ENERGY
ENERGY SPECTRA
EVAPORATION MODEL
EVEN-EVEN NUCLEI
FAST FISSION
FISSION
FISSION FRAGMENT DETECTION
FISSION ISOMERS
HADRON REACTIONS
HALF-LIFE
HEAVY NUCLEI
ISOTOPES
KINETIC ENERGY
MASS SPECTRA
MATHEMATICAL MODELS
NEUTRON REACTIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PROTON SPECTRA
RADIATION DETECTION
RADIOISOTOPES
SPECTRA
SUPERFLUIDITY
TARGETS
URANIUM 235 TARGET
URANIUM 236
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES
A=220 & above
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
DETECTION
DEUTERON REACTIONS
ENERGY
ENERGY SPECTRA
EVAPORATION MODEL
EVEN-EVEN NUCLEI
FAST FISSION
FISSION
FISSION FRAGMENT DETECTION
FISSION ISOMERS
HADRON REACTIONS
HALF-LIFE
HEAVY NUCLEI
ISOTOPES
KINETIC ENERGY
MASS SPECTRA
MATHEMATICAL MODELS
NEUTRON REACTIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PROTON SPECTRA
RADIATION DETECTION
RADIOISOTOPES
SPECTRA
SUPERFLUIDITY
TARGETS
URANIUM 235 TARGET
URANIUM 236
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES