SEARCH Articles Figures Tables Collision effect Collision effect Collision effect electronic transition Collision effect lifetime Collision effective cross-section Collision effects Penning ionization collisions Collision effects charge transfer Effective collision cross section argon Effective collision cross section classical trajectory calculations Effective collision cross section mixtures Effective collision cross section nitrogen Effective collision definition Effective collision diameter Effective collision time Effective cross section for collision Number of effective collisions Reactive collision dynamics mass effects Reactive collision dynamics vibrational energy effects Replacement collisions, effect