Temperature, Pressure & Solvent Dependence of Positronium Acceptor Reactions

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dc.creatorGangopadhyay, Debarshi
dc.creatorGanguly, Bichitra
dc.creatorDutta-Roy, Binayak
dc.date2000-07-17
dc.date.accessioned2026-07-07T05:44:19Z
dc.date.available2026-07-07T05:44:19Z
dc.descriptionPositronium (Ps) reaction rates (k) with weak Acceptors (Ac) leading to the formation of Ps-Ac Complexes show several intriguing features: non-monotonic temperature dependence of k (departing from the usual Arrhenius paradigm), considerable variablity of k with respect to different solvents, and anomalies in response to external pressure at ambient temperature (large changes of k in some media and hardly any in others). We explain all these phenomena, through the introduction of the novel concept of a critical surface tension, which unifies observations in diverse non-polar solvents at different temperatures and pressures.
dc.description7 pages, 3 figures, communicated to PRL
dc.identifierhttps://arxiv.org/abs/physics/0007053
dc.identifierhttp://arxiv.org/abs/physics/0007053
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/83592
dc.subjectChemical Physics
dc.titleTemperature, Pressure & Solvent Dependence of Positronium Acceptor Reactions
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