Quantum description of fourth nuclear fission
Creators
- 1. Voronezhskij Gosudarstvennyj Univ., Voronezh (Russian Federation)
Description
The quantum theory of binary and ternary fission is generalized to the case of recently observed quaternary nuclear fission. Formulas for the amplitudes of partial fission widths and angular and energy distributions of quaternary fission fragments are derived with allowance for strong channel coupling. The non evaporation mechanism for formation of light particles is used to explain the experimentally observed decrease in the probability for emission of light particles (α, α), (α, t), and (t, t) as compared with the product of the emission probabilities for same particles in ternary fission. It is concluded that in quaternary fission, as in ternary fission, light particles escape from the neck of the fissioning nucleus much earlier than scission of the nucleus into heavy fragments occurs
Abstract (Russian)
Квантовая теория двойного и тройного деления обобщена на случай недавно открытого четверного деления ядер. Получены формулы для амплитуд парциальных делительных ширин, угловых и энергетических распределений продуктов четверного деления с учетом сильной связи каналов. Неиспарительный механизм формирования легких частиц используется для объяснения эспериментально наблюдаемого уменьшения вероятности вылета легких частиц (α, α), (α, t) и (t, t) по сравнению с произведением вероятностей вылета тех же частиц в тройном делении. Сделан вывод, что легкие частицы в четверном делении, как и в тройном, вылетают из шейки делящегося ядра заметно реже, нежели происходит разрыв ядра на тяжелые фрагментыAdditional details
Additional titles
- Original title (Russian)
- Квантовое описание четверного деления ядер
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Fizicheskaya
- Journal Volume
- 71
- Journal Issue
- 3
- Journal Page Range
- p. 350-354
- ISSN
- 1026-3489
- CODEN
- IRAFEO
Conference
- Title
- LVI International conference on nuclear spectroscopy and nuclear structure NUCLEUS-2006
- Original Conference Title
- LVI Mezhdunarodnaya konferentsiya po problemam yadernoj spektroskopii i strukture atomnogo yadra YaDRO-2006
- Dates
- Sep 2006
- Place
- Sarov (Russian Federation)
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 39003800
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ALPHA PARTICLES; ANALYTICAL SOLUTION; ANGULAR DISTRIBUTION; DECAY AMPLITUDES; ENERGY SPECTRA; FISSION FRAGMENTS; FORM FACTORS; MANY-BODY PROBLEM; PARTICLE WIDTHS; PROBABILITY; QUANTUM MECHANICS; QUATERNARY FISSION; STRONG-COUPLING MODEL; TRITONS; WAVE FUNCTIONS
- Descriptors DEC
- AMPLITUDES; CHARGED PARTICLES; DIMENSIONLESS NUMBERS; DISTRIBUTION; FISSION; FUNCTIONS; IONIZING RADIATIONS; MATHEMATICAL MODELS; MATHEMATICAL SOLUTIONS; MECHANICS; NUCLEAR FRAGMENTS; NUCLEAR REACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; RADIATIONS; SPECTRA; TRANSITION AMPLITUDES
Optional Information
- Notes
- 17 refs.