Esr dating and dosimetry
ESR spectroscopy is currently taking root as a key technology in dosimetry, dating and imaging. Additionally, the review is expanded to include international reports and recommendations on ESR dosimetry and dose reconstruction, under way at the American Society for Testing and Materials (ASTM), the International Organisation of Standards (ISO), the International Atomic Energy Agency (IAEA) and the International Commission on Radiation Units and Measurements (ICRU).
In dosimetry, it competes with cytometry in the fields of biological dosimetry and retrospective dosimetry, leads in high-level reference and routine dosimetry, is high-ranking among the methods to identify radiation preserved foods, represents a method of choice to date geological, archaeological and paleontological materials back millions of years, and has demonstrated capacity for imaging. Emphasis is placed on interpretation of tooth enamel doses in terms of organ and effective doses, using CT-based virtual humans.
Trapped electrons only have a limited time frame when they are within the intermediate energy level stages.
After a certain time range, or temperature fluctuations, trapped electrons will return to their energy states and recombine with holes.
The reduced price of a portable spectrometer compared to a thermoluminescence reader will increase the number of researchers in ESR dating, dosimetry and imaging as well as in education.