Publication

Quenching by argon of the nitric oxide Rydberg states lying near the first dissociation limit

Majed Chergui
1985
Book Chapters

Abstract

Collisional quenching of the NO C2P (v = 0) and D2S+ (v = 0) levels by Ar was studied by means of synchrotron radiation at ACO (Orsay). A depopulation rate of D(O) by Ar was derived; it is in good agreement with previous studies. The C(0) fluorescence shows an anomalous behavior with quencher pressure, which is accounted for by a pressure-induced decrease in the rate of predissocn. [on SciFinder (R)]

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Majed Chergui
1985
Book Chapters

Abstract

Official source

Related concepts (17)

Synchrotron light source

A synchrotron light source is a source of electromagnetic radiation (EM) usually produced by a storage ring, for scientific and technical purposes. First observed in synchrotrons, synchrotron light is now produced by storage rings and other specialized particle accelerators, typically accelerating electrons. Once the high-energy electron beam has been generated, it is directed into auxiliary components such as bending magnets and insertion devices (undulators or wigglers) in storage rings and free electron lasers.

Synchrotron radiation

Synchrotron radiation (also known as magnetobremsstrahlung radiation) is the electromagnetic radiation emitted when relativistic charged particles are subject to an acceleration perpendicular to their velocity (a ⊥ v). It is produced artificially in some types of particle accelerators or naturally by fast electrons moving through magnetic fields. The radiation produced in this way has a characteristic polarization, and the frequencies generated can range over a large portion of the electromagnetic spectrum.

Synchrotron

A synchrotron is a particular type of cyclic particle accelerator, descended from the cyclotron, in which the accelerating particle beam travels around a fixed closed-loop path. The magnetic field which bends the particle beam into its closed path increases with time during the accelerating process, being synchronized to the increasing kinetic energy of the particles. The synchrotron is one of the first accelerator concepts to enable the construction of large-scale facilities, since bending, beam focusing and acceleration can be separated into different components.

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