Search Results - "Oster, L."
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RELATIVE HCP THERMOLUMINESCENCE AND OPTICAL ABSORPTION EFFICIENCIES: THE DEMISE OF TRACK STRUCTURE THEORY
Published in Radiation protection dosimetry (30-12-2020)“…Abstract The thermoluminescence relative efficiency, ηTST, of LiF:Mg,Ti and LiF:Mg,Cu,P following heavy charged particle irradiation is calculated using track…”
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KINETIC SIMULATIONS OF THE THERMOLUMINESCENCE CHARACTERISTICS OF LIF:MG, TI INCORPORATING LOCALISED AND DELOCALISED RECOMBINATION
Published in Radiation protection dosimetry (30-12-2020)“…ABSTRACT Kinetic simulations of the thermoluminescence characteristics of LiF:Mg, Ti are reviewed in the framework of conduction band/valence band models…”
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A Comparative Study of Cave System Calcium Isotope Ratios: Implications for Quantitative Reconstruction of Paleorainfall From Speleothems
Published in Geochemistry, geophysics, geosystems : G3 (01-10-2024)“…Variations in speleothem calcium isotope ratios (δ44Ca) are thought to be uniquely controlled by prior carbonate precipitation (PCP) above a drip site and,…”
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4
Linked fire activity and climate whiplash in California during the early Holocene
Published in Nature communications (23-11-2022)“…Recent wildfire activity in semi-arid regions like western North America exceeds the range of historical records. High-resolution paleoclimate archives such as…”
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5
Main controls on the stable carbon isotope composition of speleothems
Published in Geochimica et cosmochimica acta (15-06-2020)“…The climatic controls on the stable carbon isotopic composition (δ13C) of speleothem carbonate are less often discussed in the scientific literature in…”
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Climate response to the 8.2 ka event in coastal California
Published in Scientific reports (20-06-2017)“…A fast-growing stalagmite from the central California coast provides a high-resolution record of climatic changes synchronous with global perturbations…”
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Thermoluminescence characteristics of Israeli household salts for retrospective dosimetry in radiological events
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-06-2016)“…•Examination the potential use of Israeli household salt as a retrospective dosimeter.•Detailed investigation of the basic dosimetric characteristics of the…”
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Controls on Speleothem Initial 234U/238U Ratios in a Monsoon Climate
Published in Geochemistry, geophysics, geosystems : G3 (01-04-2023)“…Speleothem initial uranium isotope ratios ((234U/238U)i) can be influenced by processes along the seepage water flow‐path including alpha‐recoil into porewater…”
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Northeast Indian stalagmite records Pacific decadal climate change: Implications for moisture transport and drought in India
Published in Geophysical research letters (28-05-2015)“…Two types of El Niño events are distinguished by sea surface temperature (SST) anomalies centered in the central or eastern equatorial Pacific. The Central…”
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RECENT DEVELOPMENTS IN COMPUTERISED ANALYSIS OF THERMOLUMINESCENCE GLOW CURVES: SOFTWARE CODES, MECHANISMS AND DOSIMETRIC APPLICATIONS
Published in Radiation protection dosimetry (26-08-2022)“…Abstract The computerised deconvolution of thermoluminescence glow curves into component glow peaks is discussed in detail with special emphasis on advances of…”
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MANIPULATION OF THE DOSE-RESPONSE OF COMPOSITE GLOW PEAK 5 IN THE THERMOLUMINESCENCE OF LiF:Mg,Ti (TLD-100) VIA OPTICAL EXCITATION POST-IRRADIATION: POTENTIAL FOR IMPROVED DOSE-RESPONSE LINEARITY BEYOND 1 Gy
Published in Radiation protection dosimetry (01-08-2019)“…Many dosimetric applications and especially those involved in clinical dosimetry are hampered by the supralinearity of TLD-100 which begins at a level of dose…”
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DEMONSTRATION OF THE POTENTIAL AND DIFFICULTIES OF COMBINED TL AND OSL MEASUREMENTS OF TLD-600 AND TLD-700 FOR THE DETERMINATION OF THE DOSE COMPONENTS IN COMPLEX NEUTRON-GAMMA RADIATION FIELDS
Published in Radiation protection dosimetry (24-06-2020)“…Abstract The results reported herein demonstrate the potential application of combined optically stimulated luminescence/thermoluminescent (OSL/TL)…”
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13
KINETIC SIMULATIONS OF THERMOLUMINESCENCE DOSE RESPONSE: LONG OVERDUE CONFRONTATION WITH THE EFFECTS OF IONISATION DENSITY
Published in Radiation protection dosimetry (01-12-2016)“…The reader will time-travel through almost seven decades of kinetic models and mathematical simulations of thermoluminescence (TL) characteristics based on the…”
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14
Pedothem carbonates reveal anomalous North American atmospheric circulation 70,000–55,000 years ago
Published in Proceedings of the National Academy of Sciences - PNAS (26-01-2016)“…Our understanding of climatic conditions, and therefore forcing factors, in North America during the past two glacial cycles is limited in part by the scarcity…”
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DOSE DEPENDENCE OF RADIATION INDUCED DAMAGE IN THE THERMOLUMINESCENT RESPONSE OF LIF:Mg,Ti (TLD-100)
Published in Radiation protection dosimetry (13-06-2020)“…Abstract The effect of previous irradiation on the sensitivity of the glow peaks of LiF:Mg,Ti (TLD-100) is investigated up to levels of dose of 400 Gy in both…”
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Kinetic modeling of Fluorine vacancy/F center creation in LiF:Mg,Ti including vacancy-interstitial recombination: Evaluating the factors leading to the lack of supralinearity in the optical absorption F center concentration dose response
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-01-2015)“…Kinetic model simulations of charge carrier transport following irradiation of LiF:Mg,Ti (TLD-100) including Fluorine vacancy/F center creation by the…”
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A kinetic model incorporating both localized and delocalized recombination: Application to the dependence of the TL dose response on photon energy
Published in Journal of luminescence (01-01-2014)“…A conduction band/valence band kinetic model for thermoluminescence (TL) dose response is described which incorporates both localized and delocalized…”
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The effect of sample/planchet geometry and temperature resolution on the reproducibility of glow curve shapes and precision of dose measurement in LiF-TLD-100 thermoluminescent dosimetry
Published in Radiation measurements (01-12-2014)“…The effect of accurate positioning of TLD-100 samples in the center of the reader planchet on precision and kinetic parameters was investigated. Significant…”
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Journal Article Conference Proceeding -
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Optically stimulated luminescence in LiF:Mg,Ti: Application to solid-state radiation dosimetry
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-08-2011)“…The effects of various experimental parameters have been investigated in order to optimize potential dosimetric applications of optically stimulated…”
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The modified unified interaction model: incorporation of dose-dependent localised recombination
Published in Radiation protection dosimetry (01-02-2015)“…The unified interaction model (UNIM) was developed to simulate thermoluminescence (TL) linear/supralinear dose-response and the dependence of the…”
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