Asymmetric nuclear light clusters in supernova matter. Issue 4 (20th December 2018)

• Record Type: Journal Article
• Authors: Yudin, A V; Hempel, M; Blinnikov, S I; Nadyozhin, D K; Panov, I V
• Is Part Of: Monthly notices of the Royal Astronomical Society. Volume 483:Issue 4(2019)
• Page Start: 5426
• Page End: 5433
• Publication Date: 2018-12-20
• Subjects: equation of state -- abundances; Astronomy -- Periodicals; Periodicals; 520.5
• DOI: 10.1093/mnras/sty3468
• Languages: English
• ISSNs: 0035-8711

Abstract

ABSTRACT: We explore the appearance of light clusters at high densities of collapsing stellar cores. Special attention is paid to the unstable isotope 4 H, which was not included in previous studies. The importance of light clusters in the calculation of rates for neutrino matter interaction is discussed. The main conclusion is that thermodynamic quantities are only weakly sensitive to the chemical composition. The change in pressure and hence the direct change in collapse dynamics will be minor. But the change in neutrino heating and neutronization processes can be significant.