Effect of an electric field on positronium formation in liquid4He

Manuzio, G.; Rizzuto, C.

doi:10.1007/bf02712425

Cited by 6 publications

(2 citation statements)

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“…It is worth mentioning that in liquid helium the field dependence of the Ps formation probability, P Ps , is qualitatively the same as in the gas phase. 7 It means that the Ore process contrib-a͒ Author to whom correspondence should be addressed. Electronic mail: Sergey.…”

Section: ͑1͒mentioning

confidence: 99%

“…It is worth mentioning that in liquid helium the field dependence of the Ps formation probability, P Ps , is qualitatively the same as in the gas phase. 7 It means that the Ore process contributes to the Ps formation in liquid helium. Respective growth of the P Ps occurs in fields, approximately 500 times larger than in the gas phase, which is in accordance with the above estimation.…”

Section: Introductionmentioning

confidence: 99%

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Electric field effect on positronium formation in liquids

Stepanov

Byakov

2002

The Journal of Chemical Physics

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The comparison of different models (the Ore, spur and blob models) of positronium (Ps) formation is presented. Because in molecular media Ps is formed in the terminal positron blob and not in an ordinary spur, the application of the blob model seems to be the most adequate. We extend this model for consideration of the Ps formation in the presence of external electric field ($<100$ kV/cm). In the simplified limiting case, this approach provides a formula similar to the Onsager one for the geminate recombination probability. The influence of ion-electron recombination and other intrablob processes on Ps formation is taken into account. The role of quasifree positronium in Ps formation process is discussed

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Section: ͑1͒mentioning

confidence: 99%

“…It is worth mentioning that in liquid helium the field dependence of the Ps formation probability, P Ps , is qualitatively the same as in the gas phase. 7 It means that the Ore process contributes to the Ps formation in liquid helium. Respective growth of the P Ps occurs in fields, approximately 500 times larger than in the gas phase, which is in accordance with the above estimation.…”

Section: Introductionmentioning

confidence: 99%