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Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9.

Published byBrittney Shannon Douglas Modified over 8 years ago

Presentation on theme: "Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9."— Presentation transcript:

1 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

2 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

3 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

4 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

5 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

6 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain catalysis t GC = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004

7 Lifetimes (in yrs) Photo dissociation t PD = 10 3 AB + h  A + B 2-body collisions t 2B = 10 3 /n A + B  AB*  A + B Radiative association t RA = 10 9 /n yrs A + B  AB*  AB + h Grain sticking t GS = 10 9 /n yrs A + B + Gr  AB + Gr 3 - body collision t 3B = 10 23 / n 2 A + B + M  MAB  AB + M t (BIG U) = 10 10 yrs n number of atoms or molecules per cm 3 Harry Kroto 2004