Collisional excitation of interstellar water.
Rates for rotational excitation of water molecules in collisions with He atoms have been obtained from a new, accurate theoretical interaction potential.  Rates among the lowest 40 ortho levels are given for kinetic temperatures to 1400 K and among the lowest 29 para levels for kinetic temperatures to 800 K.
Palma
A
A
Chemistry Department, Columbia University, USA.
Green
S
S
DeFrees
D J
DJ
McLean
A D
AD
D004735:Energy Transfer; D005118:Extraterrestrial Environment; D006371:Helium / Q000032:analysis*; D008958:Models, Molecular; D013696:Temperature; D014867:Water / Q000032:analysis* / Q000737:chemistry*
D014867:Water; D006371:Helium