Synthesis of Superheavy Elements in the r -Process

Synthesis of Superheavy Elements in the r -Process

Contrary to previous opinion, super-heavy elements can be produced in the r -process in explosive stellar events. Calculations are based on estimates of the fissionability of very neutron-rich superheavy nuclei using currently accepted mass-law parameters. Certain consequences for empirical cosmic r...

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Veröffentlicht in:Nature (London) 1971-05, Vol.231 (5298), p.103-106
Hauptverfasser: SCHRAMM, DAVID N, FOWLER, WILLIAM A
Format: Artikel
Sprache:eng
Schlagworte:
CAPTURE
CORRELATION
COSMIC RADIATION
DECAY
FISSION
HEAVY NUCLEI
Humanities and Social Sciences
multidisciplinary
N32120 > Physics > Astrophysics > Stars
NEUTRONS
NUCLEAR REACTIONS
NUCLEOGENESIS/r-process, of superheavy elements, (T)
NUCLEOSYNTHESIS
Science
Science (multidisciplinary)
STARS
SUPERNOVAE
TRANS 104 ELEMENTS SUPERNOVAE/element nucleosynthesis during r process in, superheavy, (T)
TRANSACTINIDE ELEMENTS/nucleosynthesis in the r process, (T)
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Beschreibung
Zusammenfassung:Contrary to previous opinion, super-heavy elements can be produced in the r -process in explosive stellar events. Calculations are based on estimates of the fissionability of very neutron-rich superheavy nuclei using currently accepted mass-law parameters. Certain consequences for empirical cosmic ray abundance and galactic chronology are discussed.
ISSN:0028-0836
1476-4687
DOI:10.1038/231103a0