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Anomaly in the nuclear charge radii of Zr isotopes

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Title Anomaly in the nuclear charge radii of Zr isotopes
 
Creator HEMALATHA, M
BHAGWAT, A
SHRIVASTAVA, A
KAILAS, S
GAMBHIR, YK
 
Subject mean-field-theory
atomic mass evaluation
hard-core interaction
optical-model
finite nuclei
elastic-scattering
energies
proton
matter
density
 
Description The recent laser spectroscopic measurements of nuclear root-mean-square charge radii on a chain of Zr isotopes exhibit a rich structure. A prominent kink is observed at (90)Zr and a sharp change is noticed between (98)Zr and (100)Zr, in the neutron rich region. In the present work, the ground state properties of these nuclei are calculated in the relativistic mean field (RMF) framework. The calculations are in good accord with the experiment. The RMF densities are folded with the extended Jeukenne, Lejeune, and Mahaux energy and density dependent nucleon-nucleon interaction to yield the semimicroscopic optical potential which in turn is used to calculate the elastic scattering cross sections for 50 MeV proton scattering from a chain of Zr isotopes. The differential cross sections obtained from the calculations agree remarkably well with the experiment. The calculation reveals a correlation between the mean-square charge radii and the corresponding reaction cross sections for Agreater than or equal to88. There is a monotonic increase in sigma(R) from A=84 to 106 with the hint of a slight jump from A=98 to A=100.
 
Publisher AMER PHYSICAL SOC
 
Date 2011-07-16T19:38:16Z
2011-12-26T12:49:56Z
2011-12-27T05:35:45Z
2011-07-16T19:38:16Z
2011-12-26T12:49:56Z
2011-12-27T05:35:45Z
2004
 
Type Article
 
Identifier PHYSICAL REVIEW C, 70(4), -
0556-2813
http://dx.doi.org/10.1103/PhysRevC.70.044320
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4513
http://hdl.handle.net/10054/4513
 
Language en