Investigation of the maximum accessible kinetic energy of fragments in the neutron-induced fission of [sup.238]U nuclei
The masses, total kinetic energies (TKE), and emission angles of fragments originating from the fission of [sup.238]U nuclei that was induced by 5- and 6.5-MeV neutrons were measured by using digital methods for processing signals. A detailed analysis of the shape of digital signals made it possible...
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| Veröffentlicht in: | Physics of atomic nuclei 2013-03, Vol.76 (3), p.259 |
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| container_title | Physics of atomic nuclei |
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| creator | Khryachkov, V.A Bondarenko, I.P Ivanova, T.A Kuzminov, B.D Semenova, N.N Sergachev, A.I |
| description | The masses, total kinetic energies (TKE), and emission angles of fragments originating from the fission of [sup.238]U nuclei that was induced by 5- and 6.5-MeV neutrons were measured by using digital methods for processing signals. A detailed analysis of the shape of digital signals made it possible to reduce substantially the contribution of fragments whose TKE values were distorted because of a superimposition of signals from recoil protons and from alpha particles produced in the spontaneous decay of uranium. The total statistics exceeded two million events for either neutron energy, and this permitted performing a detailed analysis of fission-fragment yields in the region of the highest attainable TKE values. An analysis of fragment yields made it possible to draw specific conclusions on the structure of the potential surface of fissile nuclei. |
| doi_str_mv | 10.1134/S1063778812120095 |
| format | Article |
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A detailed analysis of the shape of digital signals made it possible to reduce substantially the contribution of fragments whose TKE values were distorted because of a superimposition of signals from recoil protons and from alpha particles produced in the spontaneous decay of uranium. The total statistics exceeded two million events for either neutron energy, and this permitted performing a detailed analysis of fission-fragment yields in the region of the highest attainable TKE values. 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A detailed analysis of the shape of digital signals made it possible to reduce substantially the contribution of fragments whose TKE values were distorted because of a superimposition of signals from recoil protons and from alpha particles produced in the spontaneous decay of uranium. The total statistics exceeded two million events for either neutron energy, and this permitted performing a detailed analysis of fission-fragment yields in the region of the highest attainable TKE values. 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| ispartof | Physics of atomic nuclei, 2013-03, Vol.76 (3), p.259 |
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| language | eng |
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| subjects | ALPHA PARTICLES Analysis EMISSION FISSION FISSION FRAGMENTS Force and energy Investigations KINETIC ENERGY MASS MEV RANGE 01-10 NEUTRON REACTIONS NUCLEAR DECAY NUCLEAR PHYSICS AND RADIATION PHYSICS PROTONS RECOILS STATISTICS SURFACES Uranium URANIUM 238 TARGET |
| title | Investigation of the maximum accessible kinetic energy of fragments in the neutron-induced fission of [sup.238]U nuclei |
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