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add k_MeV constant for convenience #1895

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Merged
zingale merged 1 commit into from
Dec 11, 2025
Merged

add k_MeV constant for convenience #1895

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3 changes: 3 additions & 0 deletions constants/fundamental_constants.H
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Expand Up @@ -26,6 +26,9 @@ namespace C
// boltzmann's constant
constexpr amrex::Real k_B = 1.3806490000000002e-16; // erg/K

// Boltzmann constant in MeV/K
constexpr amrex::Real k_MeV = 8.61733326214518e-11; // MeV/K

// planck's constant over 2pi
constexpr amrex::Real hbar = 1.0545718176461563e-27; // erg

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3 changes: 3 additions & 0 deletions constants/write_fundamental_constants.py
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Expand Up @@ -48,6 +48,9 @@
// boltzmann's constant
constexpr amrex::Real k_B = {constants.value("Boltzmann constant") / constants.erg}; // erg/K

// Boltzmann constant in MeV/K
constexpr amrex::Real k_MeV = {constants.value("Boltzmann constant") / constants.e / constants.mega}; // MeV/K

// planck's constant over 2pi
constexpr amrex::Real hbar = {constants.value("Planck constant") / (2.0 * math.pi * constants.erg)}; // erg

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