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SUMMARY:The effect of inclusion of Delta resonances in relativistic mean-f
 ield model with scaled hadron masses and coupling constants
DTSTART;VALUE=DATE-TIME:20161014T113500Z
DTEND;VALUE=DATE-TIME:20161014T115500Z
DTSTAMP;VALUE=DATE-TIME:20260713T095045Z
UID:indico-contribution-576@cern.ch
DESCRIPTION:Speakers: Konstantin Maslov (National Research Nuclear Univers
 ity "MEPhI")\nKnowledge of the equation of state of  baryon matter at larg
 e densities plays a decisive role in  description of  neutron star interio
 rs. With an increase of the baryon density filling of the Fermi seas of th
 e hyperons and delta-isobars becomes possible. The inclusion of the hypero
 ns and delta resonances into standard relativistic mean-field models resul
 ts in a strong softening of the equation of state and  a lowering of the  
 maximum neutron star mass below  masses of two known pulsars. We extend ou
 r recently developed relativistic mean-field model with scaled hadron mass
 es and couplings\, and with hyperons\,  taking into account of delta reson
 ances and we analyze available empirical information to put constraints on
   the  couplings of $\\Delta$s with meson fields. We show\, that with the 
 inclusion of delta isobars our  equation of state  satisfies the majority 
 of presently known experimental constraints.\n\nhttps://indico.particle.me
 phi.ru/event/4/contributions/576/
LOCATION:Milan Hotel Rossini
URL:https://indico.particle.mephi.ru/event/4/contributions/576/
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