Quenching of Metastable 5 s-3P0) Krypton Atoms in Collisions with Krypton and Argon Atoms in High-Pressure Laser Mixtures

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• 作者：I. V. Kholin ; A. Yu. L’dov ; N. N. Ustinovskii…
• 关键词：rare gases ; krypton ; argon ; plasma chemistry ; quenching of atomic states ; absorption spectroscopy
• 刊名：Journal of Russian Laser Research
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：36
• 期：1
• 页码：74-80
• 全文大小：250 KB
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Applied Optics, Optoelectronics and Optical Devices
  Laser Technology and Physics and Photonics
  Microwaves, RF and Optical Engineering
  Russian Library of Science
  
• 出版者：Springer New York
• ISSN：1573-8760

文摘

We use an absorption probe method to study collisional quenching of the metastable 5?s?′?[1/2] 0 o (3P0) Kr atom in electron-beam-excited high-pressure Ar–Kr mixtures with a small content of krypton. The rate constants for plasma-chemical reactions Kr*-?Kr-?Ar?→?Kr 2 * -?Ar((5.3?±-.8)??-0?-3cm6/s), Kr* + 2 Ar ?ArKr* + Ar ((4.6±1.4)·10?6 cm6/s) and Kr* + Ar ?products + Ar ((4.1±0.6)·10?5 cm3/s) are measured for the first time.