Evaporation residues from superheavy element synthesis
- 1. Otdel Natsional'nogo Inst. Yadernoj Fiziki, Fizicheskij Fakul'tet Messiny, Kataniya (Italy)
Description
Conference of heavy nuclei and formation of evaporation residues near Z 114 stability island were studied. Excitation functions for formation of superheavy elements via summation of products of complete confluence partial cross sections and probability of survival of a composite nucleus as to fission for nuclei with Z = 110, 112 and 114 formed in 48Ca + 232Th, 48Ca + 238U and 48Ca + 244Pu reactions were obtained. Complete confluence cross section was calculated with regard to completion between quasi-fission and complete confluence in terms of the concept of binary nuclear system. Survival probability of a composite nucleus was calculated on the basis of the refined statistical model. The obtained results were compared with the available experimental data
Abstract (Russian)
Изучено слияние массивных ядер и образование испарительных остатков вблизи острова стабильности Z = 114. Получены функции возбуждения для образования сверхтяжелых элементов суммированием произведений парциальных сечений полного слияния и вероятности выживания составного ядра относительно деления для ядер с Z = 110, 112 и 114, образуемых в реакциях 48Ca + 232Th, 48Ca + 238U и 48Ca + 244Pu. Сечение полного слияния вычислено с учетом конкуренции между квазиделением и полным слиянием в рамках концепции двойной системы. Вероятность выживания составного ядра была рассчитана по улучшенной статистической модели. Полученные результаты сравнены с имеющимися экспериментальными даннымиAdditional details
Additional titles
- Original title (Russian)
- Образование испарительных остатков в синтезе сверхтяжелых элементов
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Fizicheskaya
- Journal Volume
- 64
- Journal Issue
- 5
- Journal Page Range
- p. 862-873
- ISSN
- 1026-3489
- CODEN
- IRAFEO
Conference
- Title
- 49. International conference on nuclear spectroscopy and nuclear structure
- Original Conference Title
- 49. Mezhdunarodnoe soveshchanie po yadernoj spektroskopii i strukture atomnogo yadra
- Dates
- Apr 1999
- Place
- Dubna (Russian Federation)
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 31065092
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ATOMIC NUMBER; CALCIUM 48 TARGET; COLD FUSION; ENERGY DEPENDENCE; EXCITATION FUNCTIONS; HEAVY ION REACTIONS; MASS NUMBER; MATHEMATICAL MODELS; MEV RANGE 100-1000; NUCLEAR REACTION YIELD; PLUTONIUM 244; PLUTONIUM IONS; QUASI-FISSION; RESIDUAL INTERACTIONS; THORIUM 232 REACTIONS; TOTAL CROSS SECTIONS; TRANS 104 ELEMENTS
- Descriptors DEC
- ACTINIDE NUCLEI; ALPHA DECAY RADIOISOTOPES; CHARGED PARTICLES; CROSS SECTIONS; ELEMENTS; ENERGY RANGE; EVEN-EVEN NUCLEI; FUNCTIONS; HEAVY ION REACTIONS; HEAVY NUCLEI; INTERACTIONS; IONS; ISOTOPES; MEV RANGE; NUCLEAR REACTIONS; NUCLEI; PLUTONIUM ISOTOPES; RADIOISOTOPES; SPONTANEOUS FISSION RADIOISOTOPES; TARGETS; TRANSPLUTONIUM ELEMENTS; TRANSURANIUM ELEMENTS; YEARS LIVING RADIOISOTOPES; YIELDS
Optional Information
- Notes
- 29 refs., 10 figs.