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Ionization of glycine molecules by α-particles with keV energies

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Abstract

The method of “multistop” time-of-flight mass spectrometry has been used to study the mechanism of radiation damage to glycine molecules in the gas phase upon their interaction with He2+ ions with energy E p = 4 keV/amu. The relative cross sections of various elementary processes occurring in single collisions of glycine molecules with the ions were measured for the first time. A difference was found between the fragmentations of intermediate doubly charged ions formed in capture of a single electron with ionization and in two-electron capture, which is accounted for by the difference between the excitation energies of molecular ions.

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Authors and Affiliations

  1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. V. Afrosimov, A. A. Basalaev, V. V. Kuz’michev, M. N. Panov & O. V. Smirnov

  2. Peter the Great St. Petersburg Polytechnic University, St. Petersburg, 195251, Russia

    V. V. Kuz’michev

  3. St. Petersburg Academic University, Nanotechnology Research and Education Centre, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    O. V. Smirnov

Authors
  1. V. V. Afrosimov
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  2. A. A. Basalaev
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  3. V. V. Kuz’michev
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  4. M. N. Panov
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  5. O. V. Smirnov
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Corresponding author

Correspondence to A. A. Basalaev.

Additional information

Original Russian Text © V.V. Afrosimov, A.A. Basalaev, V.V. Kuz’michev, M.N. Panov, O.V. Smirnov, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 7, pp. 63–69.

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Afrosimov, V.V., Basalaev, A.A., Kuz’michev, V.V. et al. Ionization of glycine molecules by α-particles with keV energies. Tech. Phys. Lett. 43, 351–354 (2017). https://doi.org/10.1134/S1063785017040034

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  • DOI: https://doi.org/10.1134/S1063785017040034

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