A New Long-Lived Component in the Positron Lifetime Spectrum in KI at Low Temperatures

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概要

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• Positron lifetime spectra in Kl have been measured in the temperature rangebetween 12 K and 295 K. Large changes of the spectrum due to the transition of theortho-positronium from a free state to a self-trapped state have been observed. A newlong-lived component has been found at low temperatures and attributed to theirradiation-induced positive ton vacancy.Ipositron annihilation, positrons in alkali halide, Kl, positronium, positron lj lifetime, self-trapping, positive ion vacancies, experimentl

• 社団法人日本物理学会の論文
• 1991-01-15

著者

• Hyodo T

  Univ. Tokyo Tokyo Jpn

• Hyodo Toshio

  Institute Of Physics College Of General Education University Of Tokyo

• Hyodo Toshio

  Institute Of Physics College Of General Education University Of Tokyo (komaba)

• SAITO Haruo

  University of Tokyo

• HYODO Toshio

  University of Tokyo

関連論文

• A New Long-Lived Component in the Positron Lifetime Spectrum in KI at Low Temperatures
• Study of Umklapp Annihilation of Positrons in Copper by Means of Rotating-Specimen Method
• Positron Polarons and Positron Trapping by Defects in LiF
• Effect of the Diffraction of Annihilation γ-Rays on Their Angular Correlation in a Single Crystal Specimen
• Direct Observaion of Delocalized Positronium in KCI
• On the Existence of Delocalized Positronium in NaF at Room Temperature
• A Liquid Helium Cryostat for Positron Annihilation 2_γ Angular Correlation Measurements
• Evidence for Positronium-Like States in NaF and NaCl
• Enhancement of Annihilation Rate of Electron-Positron Pairs in Periodic Fields
• 24aYA-2 Construction of a spin-polarized slow positron-beam at RIKEN

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