@article{9f4aa873b9284618aaabb83c526a7c45,
title = "Relative thermoluminescent response of LiF-TLD to 4 keV X-rays",
abstract = "The relative thermoluminescent response of 4 keV X-rays to 60Co gamma rays has been found to be 1.03 ± 0.05 for LiF-TLD (Harshaw) in our possession. The result stengthens the contention that the relative TL response of LiF-TLD can be essentially independent of energy. Further experiments are necessary to determine the material or experimental parameters which may lead to relative TL response significantly different from unity as previously reported in some experimental investigations.",
author = "Horowitz, {Y. S.} and J. Kalef-Ezra",
note = "Funding Information: The most widespread thermoluminescent dosimeter (TLD) currently in use is LiF doped with magnesium and titanium. The preference to LiF : Mg, Ti arises due to its near {"}tissue-equivalent{"} properties in interaction with 7-radiation fields, relative insensitivity to light and good fading properties \[1\]. Other near {"}tissue-equivalent{"} materials such as BeO and Li2 B407 are hindered by light sensitivity, pyroelectric properties (BeO) and hygroscopicity (LizB40~). The use of TL in ionizing radiation dosimetry is somewhat hindered by the possible presence of ionization density effects. For example, the supralinearity of LiF, Li2BaO7 and BeO is well known to be strongly dependent on electron and 7-ray energy \[1\]. A less well known (and far more difficult to characterize) effect is the possible dependence of the relative TL response *, r/, on 7-ray energy. There are considerable discrepancies in the literature concerning the extent of the over-response of LiF and other TL materials to * Partially supported by the United States-Israel Binational Science Foundation Contract 1517 and the International Atomic Energy Agency Contract 2654/RB. ** In partial fulffilment of the requirements for the Ph.D. degree in Physics. * The relative thermoluminescent response, r~kl, of a TL ma-terial is the ratio of the TL efficiencies for the two radia-tion fields k, l. The TL efficiency is the ratio of the mean energy emitted as TL light to the mean energy imparted to the TL material by the radiation field. To avoid complica-tions due to supralinearity, {"}O whould be measured in dose regions where the TL efficiency is increasing linearly with dose, i.e., in the {"}tow dose{"} region.",
year = "1981",
month = oct,
day = "15",
doi = "10.1016/0029-554X(81)90272-X",
language = "English",
volume = "188",
pages = "603--607",
journal = "Nuclear Instruments and Methods",
issn = "0029-554X",
publisher = "Elsevier BV",
number = "3",
}