A new method for evaluating annual absorbed gamma dose rates in an archaeological site by combining the SSNTD technique with Monte Carlo simulations
- 1. Nuclear Physics and Techniques Laboratory, Faculty of Sciences Semlalia, B.P. S15, University Cadi Ayyad, Marrakech (Morocco)
- 2. National Institute of Archaeology and Patrimony, Rabat (Morocco)
- 3. National Centre of Radioprotection, Rabat (Morocco)
Description
Uranium and thorium contents in different layers of an archaeological site have been determined by using CR-39 and LR-115 type II solid state nuclear track detectors (SSNTD) and calculating the probabilities for α-particles emitted by the uranium and thorium series to reach and be registered on the SSNTD films. A new method has been developed based on calculating the self-absorption coefficient of the gamma-photons emitted by the uranium (238U), thorium (232Th) and their corresponding decay products as well as the potassium-40 (40K) isotope for evaluating the annual absorbed gamma dose rates in the considered material samples. Results obtained have been compared with data obtained by using the TL dosimetry and Bell's methods. Ceramic samples belonging to the studied archaeological site have been dated
Additional details
Identifiers
- PII
- S0969806X9800019X;
Publishing Information
- Journal Title
- Radiation Physics and Chemistry (1993)
- Journal Volume
- 53
- Journal Issue
- 4
- Journal Page Range
- p. 377-384
- ISSN
- 0969-806X
- CODEN
- RPCHDM
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 34018713
- Subject category
- S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; S36: MATERIALS SCIENCE;
- Descriptors DEI
- ARCHAEOLOGICAL SITES; DIELECTRIC TRACK DETECTORS; DOSE RATES; GAMMA DOSIMETRY; MONTE CARLO METHOD; PHOTONS; POTASSIUM 40; RADIATION DOSES; SELF-ABSORPTION; SOLID SCINTILLATION DETECTORS; THERMOLUMINESCENT DOSIMETRY; THORIUM 232; URANIUM 238
- Descriptors DEC
- ABSORPTION; ACTINIDE NUCLEI; ALPHA DECAY RADIOISOTOPES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; BOSONS; CALCULATION METHODS; DOSES; DOSIMETRY; ELECTRON CAPTURE RADIOISOTOPES; ELEMENTARY PARTICLES; EVEN-EVEN NUCLEI; HEAVY NUCLEI; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; LIGHT NUCLEI; MASSLESS PARTICLES; MEASURING INSTRUMENTS; NANOSEC LIVING RADIOISOTOPES; NUCLEI; ODD-ODD NUCLEI; POTASSIUM ISOTOPES; RADIATION DETECTORS; RADIOISOTOPES; SCINTILLATION COUNTERS; SORPTION; SPONTANEOUS FISSION RADIOISOTOPES; THORIUM ISOTOPES; URANIUM ISOTOPES; YEARS LIVING RADIOISOTOPES
Optional Information
- Copyright
- Copyright (c) 1998 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.