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Cluster emission from superheavy nuclei
UM DAE Ctr Excellence Basic Sci, Mumbai 400098, Maharashtra, India.;AlbaNova Univ Ctr, Dept Nucl Phys, KTH Royal Inst Technol, S-10691 Stockholm, Sweden..
KTH, Skolan för teknikvetenskap (SCI), Fysik, Kärnfysik. KTH, Skolan för bioteknologi (BIO), Centra, Albanova VinnExcellence Center for Protein Technology, ProNova.
2018 (engelsk)Inngår i: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 54, nr 11, artikkel-id 200Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The process leading to cluster emission from superheavy nuclei in the range 100 122 has been systematically investigated. This topic is of importance because it opens up the possibility of identifying superheavy elements through deposition of clusters in the detection system. In this paper we evaluate the cluster decay half lives by considering the cluster as a particle. The motion of this particle in the field induced by the daughter nucleus is determined by solving the corresponding Schrodinger equation imposing outgoing boundary conditions (Gamow state). The corresponding Wood-Saxon potential is fitted to obtain the energies provided by a mass formula that has been established recently to have a very high degree of precision. The resulting expression for the decay width is exact, i.e. no approximation besides the assumption of a preformed cluster is introduced. It is found that the heavy cluster emission probability in the superheavy region is much smaller than the corresponding a emission probability.

sted, utgiver, år, opplag, sider
SPRINGER , 2018. Vol. 54, nr 11, artikkel-id 200
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URN: urn:nbn:se:kth:diva-239991DOI: 10.1140/epja/i2018-12628-9ISI: 000451191100001OAI: oai:DiVA.org:kth-239991DiVA, id: diva2:1269650
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QC 20181211

Tilgjengelig fra: 2018-12-11 Laget: 2018-12-11 Sist oppdatert: 2018-12-11bibliografisk kontrollert

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