Superheavy elements and r-process

Superheavy elements and r-process

The probability for the production of superheavy elements in the astrophysical r-process is discussed. The dependence of the estimated superheavy-element yields on input data is estimated. Preliminary calculations revealed that the superheavy-element yields at the instant of completion of the r-proc...

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Veröffentlicht in:Physics of atomic nuclei 2009-06, Vol.72 (6), p.1026-1033
Hauptverfasser: Panov, I. V., Korneev, I. Yu, Thielemann, F. -K.
Format: Artikel
Sprache:eng
Schlagworte:
ACTINIDES
ASTROPHYSICS
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BARYON REACTIONS
BARYONS
BETA-DELAYED NEUTRONS
DECAY
ELEMENTARY PARTICLES
Elementary Particles and Fields
ELEMENTS
EVOLUTION
FERMIONS
FISSION
HADRON REACTIONS
HADRONS
METALS
NEUTRON REACTIONS
NEUTRONS
NUCLEAR DECAY
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
Particle and Nuclear Physics
PHYSICS
Physics and Astronomy
PROBABILITY
R PROCESS
SPONTANEOUS FISSION
STAR EVOLUTION
THERMAL FISSION
TRANSACTINIDE ELEMENTS
TRANSPLUTONIUM ELEMENTS
TRANSURANIUM ELEMENTS
URANIUM
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Beschreibung
Zusammenfassung:The probability for the production of superheavy elements in the astrophysical r-process is discussed. The dependence of the estimated superheavy-element yields on input data is estimated. Preliminary calculations revealed that the superheavy-element yields at the instant of completion of the r-process may be commensurate with the uranium yield, but the former depend strongly on the models used to forecast the properties of beta-delayed, neutron-induced, and spontaneous fission. This study is dedicated to the 80th anniversary of V.S. Imshennik’s birth.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778809060155