Primary Chemical Reactions Induced by Transformation of Radioactive Nuclei in Solids at Low Temperatures. Investigation by Means of the Emission Mössbauer and Positron Spectroscopies

• Authors: V. Byakov , L. Kulikov , Y. Perfil'ev , S. Stepanov
• Languages of publication: EN

Abstracts

EN

A set of early chemical reactions in grapes of ionization (blobs) arising in tracks of fast electrons and positrons in liquids as well as formed by the Auger electrons in frozen aqueous media around decaying Mössbauer ^{57}Co or ^{119m}Sn nuclei is suggested. The mechanism predicts a correlated variation of the formation probabilities of intrablob final products, namely Fe^{2+}-Fe^{3+} or Sn^{2+}-Sn^{4+} ions, positronium atom and molecular hydrogen with variation of temperature, degree of crystallinity, concentration of electron scavengers. These correlations indicate on similarity of chemical processes as in blobs created by ^{57}Co and ^{119m}Sn after their decay as well as in blobs produced in tracks of fast positrons and electrons.

Keywords

EN

61.80.Fe; 36.10.Dr; 78.70.Bj

Discipline

• 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)
• 36.10.Dr: Positronium(see also 82.30.Gg Positronium chemistry)
• 61.80.Fe: Electron and positron radiation effects

• Journal: Acta Physica Polonica A
• Year: 2005
• Volume: 107
• Issue: 5
• Pages: 792-798

Dates

published

2005-05

received

2004-09-20

Contributors

author

V. Byakov

• Institute for Theoretical and Experimental Physics, 117218, Moscow, Russia

author

L. Kulikov

• Chemical Department, Lomonosov Moscow State University, Leninskie Gory, 119899, Moscow, Russia

author

Y. Perfil'ev

• Chemical Department, Lomonosov Moscow State University, Leninskie Gory, 119899, Moscow, Russia

author

S. Stepanov

• Institute for Theoretical and Experimental Physics, 117218, Moscow, Russia

References

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Identifiers

DOI

10.12693/APhysPolA.107.792