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Microscopic-Macroscopic Mass Calculations with Wigner-Kirkwood expansion
KTH, Skolan för teknikvetenskap (SCI), Fysik, Kärnfysik.
Vise andre og tillknytning
2011 (engelsk)Inngår i: International EFES-IN2P3 Conference on "Many Body Correlations from Dilute to Dense Nuclear Systems", MBC 2011, ISSN 1742-6588, Vol. 321, nr 1, s. 012053-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The systematic study and calculation of ground state nuclear masses continues to be one of the active and important areas of research in nuclear physics. The present work is an attempt to determine the ground state masses of nuclei spanning the entire periodic table, using the Microscopic-Macroscopic approach. The semi-classical Wigner-Kirkwood (WK) expansion method is used to calculate shell corrections for spherical and deformed nuclei. The expansion is achieved upto the fourth order in . The shell corrections, along with the pairing energies obtained by using the Lipkin-Nogami scheme, constitute the microscopic part of the nuclear masses. The macroscopic part is obtained from a liquid drop formula with six adjustable parameters. It is shown that the Microscopic-Macroscopic mass calculation thus achieved, yields reliable description of ground state masses of nuclei across the periodic table. The present status of the WK mass calculations and the possible future perspectives are discussed.

sted, utgiver, år, opplag, sider
2011. Vol. 321, nr 1, s. 012053-
Emneord [en]
Adjustable parameters, Deformed nuclei, Expansion methods, Fourth order, Liquid drop, Nuclear mass, Periodic table, Possible futures, Present status, Shell correction, Systematic study, Ground state, Nuclear physics, Expansion
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-150669DOI: 10.1088/1742-6596/321/1/012053ISI: 000295787700053Scopus ID: 2-s2.0-81355139759OAI: oai:DiVA.org:kth-150669DiVA, id: diva2:744992
Konferanse
International EFES-IN2P3 Conference on "Many Body Correlations from Dilute to Dense Nuclear Systems", MBC 2011; Paris; France; 15-18 February 2011
Merknad

QC 20140909

Tilgjengelig fra: 2014-09-09 Laget: 2014-09-08 Sist oppdatert: 2015-10-09bibliografisk kontrollert

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