单词 | quasifission |
释义 | quasifissionn. Nuclear Physics. A type of interaction between heavy ions in which the reaction products have kinetic energies similar to those expected for fission of a compound nucleus but an angular distribution that is quite different. ΘΚΠ the world > matter > physics > atomic nucleus > nuclear fission > [noun] > similar process quasifission1974 1974 F. Hanappe et al. in Physical Rev. Lett. 32 738/1 A new kind of reaction was observed, which seems to occur instead of complete fusion; therefore we called it ‘incomplete fusion’, but the name ‘quasifission’ is perhaps better. 1996 Physical Rev. C. 53 1734/1 Quasifission can be thought of as a bridge between deep-inelastic scattering..and compound nucleus fission reactions. 2003 Nature 3 Apr. 485/1 True fission occurs after the formation of an equilibrated compound nucleus; quasi-fission results from the much faster breakup of a partially fused composite. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1974 |
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