The lifetimes of the long-lived comonents τ<SUB>2</SUB> in positron annihilation in organic media are found to depend upon the first ionization potentials of the molecules. In alkali halides τ<SUB>2</SUB> is related to the ratio of the volume of the anion to that of the interstitial void
The probability of positronium (Ps) formation in semicrystalline poly(ethylene t rephthalate) (PET),...
The ionization of organic molecules by positrons having energies above and below their positronium f...
Positron lifetimes in a number of condensed substances have been measured using a resolving time of ...
The positron lifetimes in the alkali chlorides and sodium halides have been measured. Two lifetimes ...
Lifetimes of positrons annihilating in a number of organic compounds consisting of aromatic hydrocar...
Measurements of the value τ<SUB>2 </SUB>and the intensity I<SUB>2</SUB> of the long component in the...
Positron lifetime spectra in pure KCl crystals as well as in crystals with cation vacancies, anion v...
Lifetimes of positrons annihilating in NH<SUB>4</SUB>Cl and in nitrate glasses have been measured as...
Two-photon annihilation of a positron from an F center in an alkali halide crystal has been studied ...
La technique d'annihilation positronique par l'utilisation de la durée de vie et la corrélation angu...
The value (τ2) and the intensity (I2) of the delayed component in the lifetime spectra of positrons ...
The positronium annihilation of surface modified silica gel particles was discussed. The groups of a...
A positron and electron can form the bound state called positronium. When positronium is formed in a...
Positron annihilation in room temperature samples of the molecular gases N2, O2, CO, N2O and CH4 has...
The annihilation of positrons in Argon has been investigated as a function of Argon density and app...
The probability of positronium (Ps) formation in semicrystalline poly(ethylene t rephthalate) (PET),...
The ionization of organic molecules by positrons having energies above and below their positronium f...
Positron lifetimes in a number of condensed substances have been measured using a resolving time of ...
The positron lifetimes in the alkali chlorides and sodium halides have been measured. Two lifetimes ...
Lifetimes of positrons annihilating in a number of organic compounds consisting of aromatic hydrocar...
Measurements of the value τ<SUB>2 </SUB>and the intensity I<SUB>2</SUB> of the long component in the...
Positron lifetime spectra in pure KCl crystals as well as in crystals with cation vacancies, anion v...
Lifetimes of positrons annihilating in NH<SUB>4</SUB>Cl and in nitrate glasses have been measured as...
Two-photon annihilation of a positron from an F center in an alkali halide crystal has been studied ...
La technique d'annihilation positronique par l'utilisation de la durée de vie et la corrélation angu...
The value (τ2) and the intensity (I2) of the delayed component in the lifetime spectra of positrons ...
The positronium annihilation of surface modified silica gel particles was discussed. The groups of a...
A positron and electron can form the bound state called positronium. When positronium is formed in a...
Positron annihilation in room temperature samples of the molecular gases N2, O2, CO, N2O and CH4 has...
The annihilation of positrons in Argon has been investigated as a function of Argon density and app...
The probability of positronium (Ps) formation in semicrystalline poly(ethylene t rephthalate) (PET),...
The ionization of organic molecules by positrons having energies above and below their positronium f...
Positron lifetimes in a number of condensed substances have been measured using a resolving time of ...
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