Volume 78, Number 3, May 2007
|Number of page(s)||5|
|Published online||18 April 2007|
The hyperon neutron star mean-field model
Department of Astrophysics and Cosmology, Institute of Physics, University of Silesia - Uniwersytecka 4, PL-40-007 Katowice, Poland
Accepted: 15 March 2007
The properties of strange neutron stars have been studied with the use of the parameter sets stemming from the effective field theory. The impact of the strength of hyperon interactions on neutron star masses has been analyzed. The inclusion of additional nonlinear meson interaction terms together with the strong hyperon-hyperon interaction leads to the existence of additional stable stellar configurations.
PACS: 26.60.+c – Nuclear matter aspects of neutron stars
© Europhysics Letters Association, 2007
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