radiationless conversion

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Internal conversion (chemistry) — Internal conversion is a transition in from a higher to a lower electronic state in a molecule. It is sometimes called radiationless de excitation , because no photons are emitted. It differs from intersystem crossing in that, while both are… … Wikipedia
Auger effect — The Auger effect (pronEng|ˈɔːʒɚ, or Oh jeh) is a phenomenon in physics in which the emission of an electron from an atom causes the emission of a second electron. [GoldBookRef|title=Auger effect|url=http://goldbook.iupac.org/A00520.html] When an… … Wikipedia
Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… … Wikipedia
Mostafa El-Sayed — Born 8 May 1933 Zifta, Egypt Nationality Egyptian American Alma mater Ain Shams University Florida State University Occupation Chemical … Wikipedia
Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies … Wikipedia
Mechanistic organic photochemistry — is that aspect of organic photochemistry which seeks to explain the mechanisms of organic photochemical reactions. The absorption of ultraviolet light by organic molecules very often leads to reactions. In the earliest days sunlight was employed… … Wikipedia

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