Radiation effect on positronium formation in low-temperature polyethylene

Radiation Physics and Chemistry

Volumn 58, Issue 5-6, 2000, Pages 485-489

  Suzuki, T ^a   Ito, Y ^a,c   Kondo, K ^a   Hamada, E ^b  

^a HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION KEK   (Japan)

^b GRADUATE UNIVERSITY FOR ADVANCED STUDIES   (Japan)

^c UNIVERSITY OF TOKYO   (Japan)

Author keywords

Low temperature; Polyethylene; Positronium; Radiation effect

Indexed keywords

ELECTRON TRAPS; FREE RADICALS; GAMMA RAYS; GLASS TRANSITION; IRRADIATION; LOW TEMPERATURE EFFECTS; POLYETHYLENES; POSITRONS;

POSITRON ANNIHILATION LIFETIME SPECTROSCOPY; POSITRONIUM;

RADIATION EFFECTS;

POLYETHYLENE; POLYMER;

CONFERENCE PAPER; DESTRUCTION; ENERGY; GAMMA IRRADIATION; LIFESPAN; MOTION; PHYSICAL CHEMISTRY; POSITRON; SPECTROSCOPY; TEMPERATURE;

EID: 0034214408     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(00)00204-8     Document Type: Conference Paper

References (15)

1. Hirade T., Wang C.L., Maurer F.H., Eldrup M., Pederson N.J. Visible light effect on positronium formation in PMMA at low temperature. The 35th Annual Meeting on Radioisotopes in the Physical Science and Industries. June 30 th-July 1 st, Tokyo, Japan, Abstract :1998;89.
2. Ito Y., Hirade T., Hamada E., Suzuki T., Ito Y. The effects of visible light irradiation on positronium formation in polyethylene at low temperature. Acta Physica Polonica. A95:(4):1999;433-437.
3. Keyser R.M., Tsuji K., Williams F. Chapter 9. Dole M. The Radiation Chemistry of Macromolecules. vol. 1:1972;Academic Press, New York/London.
4. Kirkegaard, P., Pederson, N.J. and Eldrup, M.(1988), "PATFIT-88", Riso-M-2740.
5. Levay B., Lalovic M., Ache H.J. Solid-solid phase transitions and molecular motions in long-chain paraffins studied by positron annihilation techniques. J. Chem. Phys. 90:1989;3282-3291.
6. Reiter G., Kindl P. Positron lifetime investigations on linear polyethylene compared to branched polyethylene. Phys. Stat. Sol. (a). 118:1990;161-168.
7. Suzuki T., Miura T., Oki Y., Numajiri M., Kondo K., Ito Y. Positron irradiation effects on polypropylene. Journal de physique IV, Colloque C4, supplement au Journal de Physique II. 3:1993;283-285.
8. Suzuki T., Oki Y., Numajiri M., Miura T., Kondo K., Ito Y. Positron irradiation effect on polypropylene and polyethylenes studied by positron annihilation. Radiat. Phys. Chem. 45:1995;657-663.
9. Suzuki T., Oki Y., Numajiri M., Miura T., Kondo K., Ito Y. Effects of aging and oxidation on positronium formation in polyethylene. Radiat. Phys. Chem. 43:1994;557-562.
10. Suzuki, T., Namito, Y., Miura, T., Oki, Y., Numajiri, M., Hirayama, H., Kondo, K., Ito, Y., 1994b. Absorbed dose in polymers during a positron annihilation experiment. KEK Preprint 94-121.
11. Suzuki T., Oshima N., Miura T., Oki Y., Numajiri M., Kondo K., Ito Y. Radiation effect on polypropylene studied by relaxational behavior at low temperature using positron annihilation. Polymer. 37:1996;5521-5524.
12. Uedono A., Kawano T., Tanigawa S., Ban M., Kyoto M., Uozumi T. Transition and relaxation process of polyethylene, polypropylene, and polystyrene studied by positron annihilation. J. Polym. Sci. B. 35:1997;1601-1609.
13. Van Krevelen D.W., Hoftyzer P.J. Properties of Polymers. 1976;Elsevier Publication, Amsterdam, Oxford, NewYork.
14. Welander M., Maurer F.H.J. Decrease in o-Ps formation in polymers during positron lifetime measurements. Mat. Sci. Forum. 105-110:1992;1811-1814.
15. Zhang Z., Ito Y. Micro-structures of gamma-ray irradiated polyethylenes studied by positron annihilation. Radiat. Phys. Chem. 38:1991;221-225.