Trapping of positronium in a size-dependent spherical square well potential

Radiation Physics and Chemistry

Volumn 58, Issue 5-6, 2000, Pages 681-685

  Dauwe, C ^a   Balcaen, N ^a   Van Petegem, S ^a   Segers, D ^a  

^a GHENT UNIVERSITY   (Belgium)

Author keywords

Bubble model; Liquids; Molecular crystals; Positronium

Indexed keywords

BUBBLES (IN FLUIDS); LIQUIDS; MATHEMATICAL MODELS; MOLECULAR CRYSTALS; NUMERICAL METHODS; POTENTIAL ENERGY; SURFACE TENSION;

POSITRONIUM; TRAPPING SITE;

POSITRONS;

CONFERENCE PAPER; CRYSTAL; DEGRADATION; DESTRUCTION; ENERGY; LIQUID; POSITRONIUM; PRESSURE; SOLID; SURFACE PROPERTY; SURFACE TENSION;

EID: 0034214164     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(00)00239-5     Document Type: Conference Paper

References (15)

1. Chuang S.Y., Tao S.J. Correlation of orthopositronium annihilation and the surface properties of silica gels as a function of temperature. Can. J. Phys. 51:1973;820.
2. Eldrup M. On positron studies of molecular crystals. Coleman P.G., Sharma S.C., Diana L.M. Positron Annihilation. 1982;753 North Holland, Amsterdam.
3. Eldrup M., Lightbody D., Sherwood J.H. The temperature dependence of positron lifetimes in solid pivalic acid. Chem. Phys. 63:1981;51.
4. Eldrup M., Mogensen O.E., Bilgram J.H. Vacancies in HF-doped and in irradiated ice by positron annihilation techniques. J. Glaciol. 21:1978;101.
5. Eldrup M., Pedersen N.J., Sherwood J.N. Positron annihilation study of defects in succinonitrile. Phys. Rev. Lett. 43:1979;1407.
6. Gas Encyclopaedia/Encyclopedie des Gaz, 1976. Elsevier/North Holland, Amsterdam.
7. Ferrell R.A. Long lifetime of positronium in liquid helium. Phys. Rev. 108:1957;167.
8. Jacobsen, F.M., 1981. Ph.D. thesis, Risoe.
9. 6. Chem. Phys. 50:1980;393.
10. Jacobsen F.M., Mogensen O.E., Trumpy G. Correlation of positronium yield with excess electron mobility in liquid neopentane. Chem. Phys. 69:1982;71.
11. Lightbody D., Sherwood J.N., Eldrup M. The vacancy formation energy in crystalline adamantane determined by positron annihilation techniques. Chem. Phys. Lett. 70:1980;487.
12. Lightbody D., Sherwood J.N., Eldrup M. Temperature and phase dependence of positron lifetimes in solid cyclohexane. Chem. Phys. 93:1985;475.
13. Mukherjee T., Das S.K., Ganguli B.N., Dutta-Roy B. Bubble model for positronium annihilation in liquids. Phys. Rev. B. 57:1998;13363.
14. Nakanishi H., Jean Y.C. Positrons and positronium in liquids. Schrader D.M., Jean Y.C. Positron and Positronium Chemistry. 1988;159 Elsevier Science, Oxford.
15. Yu Z., McGervey J.D., Jamieson A.M., Simha R. Can positron annihilation lifetime spectroscopy measure the free-volume hole size distribution in amorphous polymers? Macromolecules. 28:1995;6268.