138 



emission spectra of molecules, 



9 



emission of vibrational ener- 

 gy, 8 



Interfaces 



role in production of radio- 

 biologic effects, 110 



Internal conversion 



absorbed energy to heat, 78 

 in complex molecules, 97 

 induced, 78 



measurement of speed of re- 

 action, 77 



precursor to molecular de- 

 composition or energy degrada- 

 tion, 78 



processes in radiobiologic ef- 

 fect, 82, 83 



singlet-triplet transition, 90,91 

 spontaneous, 78 



Invertase 



inactivated low voltage elec- * 

 trons, 6 



Ionization 



energy fraction of radiation for 

 electronic excitation, 91, 92 

 excitation in nucleic acid, 94 

 gases, 4 

 techniques for measurement, 



1, 2 

 Ions 



dependence of recombination 

 on mobility and dielectric 

 constant, 26 

 high energy, 1 



recoil from nuclear transmu- 

 tations, 20 



Jaffe theory 



calculation of radical electri- 

 cal field, 70 



columnar recombination, 70 

 interpretation of saturation 

 measurements in compressed 

 gases, 52 



Kleenex 



blue color induced by gamma 

 radiation, 46 



Landau 



theory of energy distribution 

 of secondary electrons, 48 



Langevin 



theory of effect of thermal 



motion on ionic recombination, 



41 

 Latent time 



application of radiation and 



observable effect, 106, 107 

 Lea's theoretical curve, 6 

 Light 



emission induced by radiation, 



14 



energy yields for production in 



anthracene crystals by gamma 



and beta rays, 83 



reversal of UV inactivation of 



cell division, 1 14 

 Lissajou interaction, 97 



Maxwell relaxation time 



determination of ionic recombi- 

 nation, 36 



Metastable atoms 



ionization of impurities in gas, 

 5 



Metastable states 



identification of molecular sites 

 in biological material, 117 



Molecular crystals 



radiation induced color changes, 

 46 



Molecular decomposition 

 by photo- oxidation, 8 3 

 protection against, 102 

 time requirement for predis- 

 sociation, 78 



Molecular excitation 

 by slow electrons, 23 

 conversion to metastable tau- 

 tomeric state, 78 

 oxidation- reduction processes, 

 81 



Molecules 



changes in vibrational state, 76 

 locus of metastable states in 

 biologic material, 117 



Monomolecular layer 



measurement of enzyme in- 

 activation, 6 



theory of radiation induced re- 

 action, 112 



Morse approximation, 10 



Nitrogen mustard 



radiomimetic action, 100 

 Nuclear transmutation 



light ions obtained as recoils, 



20 

 Nucleic acid 



