preprintZenodo (CERN European Organization for Nuclear Research)Apr 1, 2026GREEN OA

P40 Partial Collapse in CCEGA: Ultracompact Objects as a Third Endpoint of Stellar Evolution

MLMarc López Sánchez
Indexed indatacite

Abstract

[Correction note, April 2026]: Phase boundaries updated following P34 v2.0 and P36 v2.0. M_max = 4.56 M☉ (was 4.26), M_crit = 12.0 M☉ (was 9.20). Third stellar evolution endpoint (ultracompact regime) now spans 4.56–12.0 M☉. GW190814 and GW230529 candidates reassessed under updated boundaries. Physical mechanism unchanged. See P36 v2.0 (doi:10.5281/zenodo.19858391).

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Topics & keywords

Topics
Keywords
  • Stellar evolution
  • Stars
  • Event (particle physics)
  • Neutron star
  • Object (grammar)
  • Metastability
  • Gravitational collapse
  • Compact star
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