New isotope<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Si</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>44</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>and systematics of the production cross sections of the most neutron-rich nuclei
O. TarasovFlerov Laboratory of Nuclear Reactions, JINR, RU-141980 Dubna, Moscow region, Russian FederationT. BaumannNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAA. M. AmthorDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAD. BazinNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAC. M. FoldenNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAA. GadeDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAT. N. GinterNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAM. HausmannNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAM. MátosNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAD. J. MorrisseyDepartment of Chemistry, Michigan State University, East Lansing, Michigan 48824, USAA. NettletonDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAM. PortilloMichigan State UniversityA. SchillerNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAB. M. SherrillDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAA. StolzNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAM. ThoennessenDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
2007lv
ABI
Аннотация
The results of measurements of the production of neutron-rich nuclei by the fragmentation of a $^{48}\mathrm{Ca}$ beam at 142 MeV/nucleon are presented. Evidence was found for the production of a new isotope that is the most neutron-rich silicon nuclide, $^{44}\mathrm{Si}$, in a net neutron pickup process. A simple systematic framework was found to describe the production cross sections based on thermal evaporation from excited prefragments that allows extrapolation to other weak reaction products.
Перевод пока недоступен
Идентификаторы
Цитирования и источники
Цитирований: 3Использованных источников: 0