6533b858fe1ef96bd12b5902
RESEARCH PRODUCT
Production of Sn and Sb isotopes in high-energy neutron induced fission of natU
Ilkka PohjalainenDmitrii NesterenkoTommi EronenDmitry GorelovHeikki PenttiläM. VilenAli Al-adiliIain MooreStephan PompAnu KankainenSami Rinta-antilaL. CaneteAndrea MatteraJuha ÄYstöVasileios RakopoulosMattias LantzAndreas Solderssubject
Nuclear reactionPhysicsNuclear and High Energy PhysicsFission products010308 nuclear & particles physicsFissionIsotopes of samariumFission product yield01 natural sciences7. Clean energyFast fissionNuclear physicsSubatomär fysikneutron-induced fission yields0103 physical sciencesIsotopes of tinSubatomic PhysicsNeutronsystematic measurement010306 general physicsdescription
The first systematic measurement of neutron-induced fission yields has been performed at the upgraded IGISOL-4 facility at the University of Jyväskylä, Finland. The fission products from high-energy neutron-induced fission of nat U were stopped in a gas cell filled with helium buffer gas, and were online separated with a dipole magnet. The isobars, with masses in the range A = 128-133 , were transported to a tape-implantation station and identified using γ -spectroscopy. We report here the relative cumulative isotopic yields of tin (Z = 50) and the relative independent isotopic yields of antimony (Z = 51). Isomeric yield ratios were also obtained for five nuclides. The yields of tin show a staggered behaviour around A = 131 , not observed in the ENDF/B-VII.1 evaluation. The yields of antimony also contradict the trend from the evaluation, but are in agreement with a calculation performed using the GEF model that shows the yield increasing with mass in the range A = 128-133. peerReviewed
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2018-03-01 |