name = 'helium4'
symbol = 'He4'
atomic_number = 2
atomic_number_deut = 2

mass = 4.002603
mass_deut = 4.002603

color = 'black'

vdW_radius = 0.14

b_coherent = 3.26*fm
b_incoherent = 0*fm
b_coherent_deut = 3.26*fm
b_incoherent_deut = 0*fm