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Autor:
W. Enge, T. Turowski
Publikováno v:
Radiation Measurements. 34:27-30
To find a model that describes the gas diffusion on irradiated polymers (Makrofol KG polycarbonate) the diffusion constants have been measured with argon as diffusion gas. The polymers were irradiated with uranium, gold and lead ions of about 10 MeV
Publikováno v:
Radiation Measurements. 34:81-84
An experimental determination of the aging process of cellulose nitrate detector material was based on the examination of special properties of the LR 115 solid state nuclear track detectors (SSNTDs) of various ages up to 18 years. The examined relev
Autor:
W. Enge, U. Bacmeister, M.D. Chipara, Orazio Puglisi, Giuseppe Compagnini, Mircea Chipara, J. Reyes-Romero
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :944-948
Luminescence investigations on polycarbonate irradiated with accelerated uranium ions are reported. The dependence of luminescence spectra on the penetration length, deposited energy and dose and track radius is investigated. The luminescence spectru
Publikováno v:
Radiation Measurements. 31:595-600
In a series of COSMOS satellite flights plastic nuclear track detectors have been exposed in low-earth orbits to monitor anomalous cosmic rays (ACR) at energies below 25 MeV/nuc. The analysis of energy spectra has now been extended to energies up to
Autor:
K. Freyer, W. Enge, R. Devantier, H.-C. Treutler, R. Ghose, C. Baixeras, Ll. Font, G. Jönsson
Publikováno v:
Scopus-Elsevier
The source of the radon gas 222 Rn in the ground air is the soil and the bedrock underneath. The potential radon level in the ground is given by the content of 226 Ra in the ground. The presence of 226 Ra is in turn dependent on the amount of 238 U i
Publikováno v:
Radiation Measurements. 31:363-366
An experimental calibration of indoor room and outdoor soil detector devices which are based on LR 115 as sensitive element has taken place at the Swedish Radiation Protection Institute in Stockholm (Sweden) in 1994 and 1996, at the Physikalisch-Tech
Publikováno v:
Radiation Measurements. 31:451-454
Industrial waste was studied concerning its radioactive pollution. Using known properties of the solid state nuclear track detector CR-39 we found among a high concentration of more or less homogeneously distributed single α-tracks discrete spots of
Publikováno v:
Radiation Measurements. 31:573-578
Plastic nuclear track detectors were used to measure the contribution of High charge Z and energy E (HZE) particles to the radiation exposure of manned space missions. Results from numerous space missions in the orbit planned for the International Sp
Autor:
G.U. Bacmeister, W. Enge
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 131:64-70
The diffusion constants of ion irradiated Makrofol KG polycarbonate (PC) sheets have been measured with argon and nitrogen as diffusion gas. In order to determine the characteristics of the original latent tracks the material was not etched. The poly