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Journal Articles

Role of trapped and solvated electrons in Ps formation

Stepanov, S. V.*; Byakov, V. M.*; He, C.*; Hirade, Tetsuya; Mikhin, K. V.*

Acta Physica Polonica A, 107(4), p.642 - 650, 2005/00

Role of trapped and solvated electrons in Ps formation is discussed. Combination of thermalized positron with such electrons is energetically possible and may contribute to Ps formation. Contrary to the positron reaction with a quasi-free electron, this process is not limited to picosecond times, but proceeds on a timescale of nanoseconds. In this case conventional exponential deconvolution of row lifetime positron annihilation spectra becomes questionable. Rigorous treatment of the data needs nonexponential deconvolution, based on an adequate physical input. Such an approach is suggested here. Its reduced form is used for interpretation of the Ps formation data in polyethylene, EMMA and PMMA in dark and in light vs. time of the measurement and temperature. Parameters characterized accumulation of trapped electrons and their recombination with counter ions and positrons are obtained.

Journal Articles

Theoretical simulations of dynamics of excess electron attachment to acetonitrile clusters

Takayanagi, Toshiyuki

Chemical Physics, 302(1-3), p.85 - 93, 2004/07

 Times Cited Count:10 Percentile:66.53(Chemistry, Physical)

no abstracts in English

Journal Articles

Photochemical surface modification of poly(hexafluoropropylene-co-tetrafluoroethylene)(FEP) film with triethylamine

Ichinose, Yuji; *; Kawanishi, Shunichi; *; *

Chemistry Letters, 0(10), p.943 - 944, 1995/00

no abstracts in English

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