Finite to zerorange relativistic meanfield interactions
Abstract
We study the relation between the finiterange (mesonexchange) and zerorange (pointcoupling) representations of effective nuclear interactions in the relativistic meanfield framework. Starting from the phenomenological interaction DDME2 with densitydependent mesonnucleon couplings, we construct a family of pointcoupling effective interactions for different values of the strength parameter of the isoscalarscalar derivative term. In the mesonexchange picture this corresponds to different values of the {sigma}meson mass. The parameters of the isoscalarscalar and isovectorvector channels of the pointcoupling interactions are adjusted to nuclear matter and groundstate properties of finite nuclei. By comparing results for infinite and semiinfinite nuclear matter, groundstate masses, charge radii, and collective excitations, we discuss constraints on the parameters of phenomenological pointcoupling relativistic effective interaction.
 Authors:
 Physics Department, Faculty of Science, University of Zagreb, 10000 Zagreb (Croatia) and PhysikDepartment der Technischen Universitaet Muenchen, D85748 Garching (Germany)
 (Greece)
 (Germany)
 Publication Date:
 OSTI Identifier:
 21189820
 Resource Type:
 Journal Article
 Resource Relation:
 Journal Name: Physical Review. C, Nuclear Physics; Journal Volume: 77; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevC.77.034302; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
 Country of Publication:
 United States
 Language:
 English
 Subject:
 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; BOSONEXCHANGE MODELS; COLLECTIVE EXCITATIONS; COUPLING; GROUND STATES; INTERACTIONS; ISOVECTORS; MASS; MEANFIELD THEORY; MESONNUCLEON INTERACTIONS; MESONS; NUCLEAR MATTER; NUCLEI; NUCLEONS; RELATIVISTIC RANGE; SCALARS
Citation Formats
Niksic, T., Vretenar, D., Lalazissis, G. A., Ring, P., Department of Theoretical Physics, Aristotle University of Thessaloniki, GR54124, and PhysikDepartment der Technischen Universitaet Muenchen, D85748 Garching. Finite to zerorange relativistic meanfield interactions. United States: N. p., 2008.
Web. doi:10.1103/PHYSREVC.77.034302.
Niksic, T., Vretenar, D., Lalazissis, G. A., Ring, P., Department of Theoretical Physics, Aristotle University of Thessaloniki, GR54124, & PhysikDepartment der Technischen Universitaet Muenchen, D85748 Garching. Finite to zerorange relativistic meanfield interactions. United States. doi:10.1103/PHYSREVC.77.034302.
Niksic, T., Vretenar, D., Lalazissis, G. A., Ring, P., Department of Theoretical Physics, Aristotle University of Thessaloniki, GR54124, and PhysikDepartment der Technischen Universitaet Muenchen, D85748 Garching. Sat .
"Finite to zerorange relativistic meanfield interactions". United States.
doi:10.1103/PHYSREVC.77.034302.
@article{osti_21189820,
title = {Finite to zerorange relativistic meanfield interactions},
author = {Niksic, T. and Vretenar, D. and Lalazissis, G. A. and Ring, P. and Department of Theoretical Physics, Aristotle University of Thessaloniki, GR54124 and PhysikDepartment der Technischen Universitaet Muenchen, D85748 Garching},
abstractNote = {We study the relation between the finiterange (mesonexchange) and zerorange (pointcoupling) representations of effective nuclear interactions in the relativistic meanfield framework. Starting from the phenomenological interaction DDME2 with densitydependent mesonnucleon couplings, we construct a family of pointcoupling effective interactions for different values of the strength parameter of the isoscalarscalar derivative term. In the mesonexchange picture this corresponds to different values of the {sigma}meson mass. The parameters of the isoscalarscalar and isovectorvector channels of the pointcoupling interactions are adjusted to nuclear matter and groundstate properties of finite nuclei. By comparing results for infinite and semiinfinite nuclear matter, groundstate masses, charge radii, and collective excitations, we discuss constraints on the parameters of phenomenological pointcoupling relativistic effective interaction.},
doi = {10.1103/PHYSREVC.77.034302},
journal = {Physical Review. C, Nuclear Physics},
number = 3,
volume = 77,
place = {United States},
year = {Sat Mar 15 00:00:00 EDT 2008},
month = {Sat Mar 15 00:00:00 EDT 2008}
}

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