Physics constants

Set physics constants

larndsim.consts.physics.BOX_ALPHA = 0.93

Recombination \(\alpha\) constant for the Box model

larndsim.consts.physics.BOX_BETA = 0.207

Recombination \(\beta\) value for the Box model in \((kV/cm)(g/cm^2)/MeV\)

larndsim.consts.physics.BIRKS_Ab = 0.8

Recombination \(A_b\) value for the Birks Model

larndsim.consts.physics.BIRKS_kb = 0.0486

Recombination \(k_b\) value for the Birks Model in \((kV/cm)(g/cm^2)/MeV\)

larndsim.consts.physics.E_CHARGE = 1.602e-19

Electron charge in Coulomb

larndsim.consts.physics.W_ION = 2.36e-05

Average energy expended per ion pair in LAr in \(MeV\) from Phys. Rev. A 10, 1452