Gray two-moment neutrino transport: Comprehensive tests and improvements for supernova simulations

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Volume 687 (July 2024)

A&A, 687 (2024) A55

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Table 1

Neutrino luminosities and average neutrino energy in hydrostatic simulations of the post bounce phase of a 30 solar mass progenitor.

	$L_{v_{e}} [10^{51} {erg s}^{- 1}]$ ${L_{{v_e}}}\left[ {{{10}^{51}}{\rm{erg}}{{\rm{s}}^{ - 1}}} \right]$	$L_{{\bar{v}}_{e}} [10^{51} {erg s}^{- 1}]$ ${L_{{{\bar v}_e}}}\left[ {{{10}^{51}}{\rm{erg}}{{\rm{s}}^{ - 1}}} \right]$	$L_{V_{x}} [10^{51} {erg s}^{- 1}]$ ${L_{{V_x}}}\left[ {{{10}^{51}}{\rm{erg}}{{\rm{s}}^{ - 1}}} \right]$	$〈 ε_{v_{e}} 〉 [MeV]$ $\left\langle {{\varepsilon _{{v_e}}}} \right\rangle [{\rm{MeV}}]$	$〈 ε_{{\bar{v}}_{e}} 〉 [MeV]$ $\left\langle {{\varepsilon _{{{\bar v}_e}}}} \right\rangle [{\rm{MeV}}]$	$〈 ε_{v_{x}} 〉 [MeV]$ $\left\langle {{\varepsilon _{{v_x}}}} \right\rangle [{\rm{MeV}}]$
ED	91.62	28.84	129.29	10.34	12.11	19.02

Foucart et al. (2016)	82.55	23.00	82.48	8.72	10.90	22.83

Gray	91.51	29.56	117.19	9.11	11.12	25.93

Notes. Each row represents a different neutrino transport scheme. The top row shows the results in the simulation with energy-dependent transport, and the following rows represent different iterations of the gray neutrino-transport scheme. Luminosities are denoted by L and average energies by 〈ε〉 with a subscript to denote the three different neutrino species.

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