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DTSTAMP:20251213T130741Z
UID:923AEA80-9D52-4F59-B292-E3FA26BE93DD
DTSTART;TZID=Europe/Prague:20250429T140000
DTEND;TZID=Europe/Prague:20250429T150000
DESCRIPTION:The recent observation of the compact star XTE J1814-338 with a
  mass of M = 1.2+0.05−0.05 M⊙ and a radiusof R = 7+−0.4 km\, togethe
 r with the HESS J1731-347\, which has a mass of M = 0.77+0.20−0.17 M⊙ 
 and a radius of R = 10.4 +0.86−0.78 km\, shows they provide evidence for
  the possible presence of exotic matter in the core of neutron stars and s
 ignificantly enhance our understanding of the equation of state for the de
 nse nuclear matter. In the present study [1-2]\, we investigate the possib
 le existence of negative charged kaons and neutral antikaons in neutron st
 ars by employing the relativistic mean field model with first order kaonic
  (K- and K̄o) condensates. This represents a first alternative attempt ai
 med to explain the bulk properties of the XTE J1814-338 object and at the 
 same time the HESS J1731-347 object\, using a mixture of kaon condensation
  in dense nuclear matter. The kaon potential is further found to be compat
 ible with values obtained using kaonic atoms. In addition\, we compare our
  analysis approach with the recent observation of PSR J0437-4715 and PSR J
 1231-1411 pulsars\, proposing that to simultaneously explain the current v
 ariety of astrophysical objects\, it is essential to resurrect a scenario 
 of two distinct branches\, each corresponding to a different composition o
 f nuclear matter.\n\nMartin Veselský\n\nIEAP\, CTU in Prague\, Husova 240
 /5\, Prague\, Czech Republic\, Czech Republic
LOCATION:IEAP\, CTU in Prague\, Husova 240/5\, Prague\, Czech Republic\, Cz
 ech Republic
ORGANIZER:andre.sopczak@cern.ch
SEQUENCE:5
SUMMARY:Simultaneous explanation of XTE J1814-338 and HESS J1731-347 object
 s using K− and K̄0 condensates – a new branch of neutron stars?
URL;VALUE=URI:https://events.vtools.ieee.org/m/522179
X-ALT-DESC:Description: <br /><p>The recent observation of the compact star
  XTE J1814-338 with a mass of M = 1.2+0.05&minus\;0.05 M⊙ and a radiusof
  R = 7+&minus\;0.4 km\, together with the HESS J1731-347\, which has a mas
 s of M = 0.77+0.20&minus\;0.17 M⊙ and a radius of R = 10.4 +0.86&minus\;
 0.78 km\, shows they provide evidence for the possible presence of exotic 
 matter in the core of neutron stars and significantly enhance our understa
 nding of the equation of state for the dense nuclear matter. In the presen
 t study [1-2]\, we investigate the possible existence of negative charged 
 kaons and neutral antikaons in neutron stars by employing the relativistic
  mean field model with first order kaonic (K- and K̄o) condensates. This 
 represents a first alternative attempt aimed to explain the bulk propertie
 s of the XTE J1814-338 object and at the same time the HESS J1731-347 obje
 ct\, using a mixture of kaon condensation in dense nuclear matter. The kao
 n potential is further found to be compatible with values obtained using k
 aonic atoms. In addition\, we compare our analysis approach with the recen
 t observation of PSR J0437-4715 and PSR J1231-1411 pulsars\, proposing tha
 t to simultaneously explain the current variety of astrophysical objects\,
  it is essential to resurrect a scenario of two distinct branches\, each c
 orresponding to a different composition of nuclear matter.</p>\n<p>Martin 
 Veselsk&yacute\;</p>\n<p>&nbsp\;</p>
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