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NaI (Tl) detector

Determination of Natural Radioactivity  in Soil Samples around Gold Mining Area in Khamkeut District, Bolikhamxay Province,Laos Using Gamma Ray Spectrometer with NaI (Tl) Detector

Determination of Natural Radioactivity in Soil Samples around Gold Mining Area in Khamkeut District, Bolikhamxay Province,Laos Using Gamma Ray Spectrometer with NaI (Tl) Detector

... the NaI(Tl) detector with full width at half maximum (FWHM) is 70 keV at the 1332 keV, there are many overlapping full energy peaks of natural radiation ...the NaI detector, ...

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Validation and Uncertainty Quantification of a 1x2" NaI Collimated Detector Using Detector Response Functions Created by g03.

Validation and Uncertainty Quantification of a 1x2" NaI Collimated Detector Using Detector Response Functions Created by g03.

... simulated detector responses predicted by Gardner’s model predicted the highest intensity peak region of the experimental spectra fairly well, but had some difficulty in the continuum and secondary peak ...

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Direct Analytical Method to Calculate  Photopeak Efficiency and Photopeak  Attenuation Coefficient of NaI(Tl)  Well Type Detector

Direct Analytical Method to Calculate Photopeak Efficiency and Photopeak Attenuation Coefficient of NaI(Tl) Well Type Detector

... In this paper full-energy peak (photopeak) efficiency and photopeak attenuation coefficient of 3'' × 3'' NaI(Tl) well-type scintillation detector were calculated using gamma-rayisotropic radiating ...

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Determination of Full Energy Peak Efficiency of NaI(Tl) Detector Depending on Efficiency Transfer Principle for Conversion Form Experimental Values

Determination of Full Energy Peak Efficiency of NaI(Tl) Detector Depending on Efficiency Transfer Principle for Conversion Form Experimental Values

... Peak Efficiency (FEPE) for these detectors have been calculated for point sources placed at different positions on the detector axis using the analytical approach of the effective solid angle ratio. This approach ...

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Calculation of Full Energy Peak Efficiency of NaI (Tl) Detectors by New Analytical Approach for Cylindrical Sources

Calculation of Full Energy Peak Efficiency of NaI (Tl) Detectors by New Analytical Approach for Cylindrical Sources

... the detector, there are t wo probabilit ies to be considered; the first probability that the lateral d istance of the source is smalle r than the detector circula r face rad ius, ...the detector ...

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PAPER / ARTICLE  TITLE   –     NAME OF AUTHOR

PAPER / ARTICLE  TITLE   –     NAME OF AUTHOR

... Abstract: By using well-developed technique citrate gel auto combustion, we synthesized the material as samples which is used to extract the mass attenuation coefficients. After that the samples were taken to gamma ray ...

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The Dark Matter annual modulation results from DAMA/LIBRA

The Dark Matter annual modulation results from DAMA/LIBRA

... The obtained model independent evidence is compatible with a wide set of scenarios regarding the nature of the DM candidate and related astrophysical, nuclear and particle Physics. For examples some given scenarios and ...

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Characteristics of alpha, gamma and nuclear recoil pulses from NaI(Tl) at 10-100 keV relevant to dark matter searches

Characteristics of alpha, gamma and nuclear recoil pulses from NaI(Tl) at 10-100 keV relevant to dark matter searches

... Co gamma source was used to obtain pulse shapes from high-energy gammas. These gammas undergo Compton scattering inside the crystal producing electrons which deposit energy measured by the detector. To measure the ...

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Searching for Dark Matter at the Stawell Underground Physics Laboratory

Searching for Dark Matter at the Stawell Underground Physics Laboratory

... of NaI crystals. A prototype, or com- missioning detector will be conducted with a small 1- 2 kg ...length, detector that is shielded from environment background with pas- sive ...scintillator ...

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Gamma ray spectrometric analysis of sand samples from selected beaches on coastline of Kenya

Gamma ray spectrometric analysis of sand samples from selected beaches on coastline of Kenya

... products of decay. Beach sands are weathering resistant residuals of geological formations which gets to the beach by erosion from mainland or deposition through waves and current action from the ocean. Waves wash back ...

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Search for a dark matter-induced annual modulation signal in NaI(Tl) with the COSINE-100 experiment

Search for a dark matter-induced annual modulation signal in NaI(Tl) with the COSINE-100 experiment

... Each NaI(Tl) crystal is optically coupled to two photomultiplier tubes (PMTs), each of which de- tects scintillation photons with the signals recorded as 8 µs waveforms ...The detector is surrounded ...

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Background model for the NaI(Tl) crystals in COSINE-100

Background model for the NaI(Tl) crystals in COSINE-100

... dom locations inside a NaI(Tl) crystal for the cases with and without the LS veto. From these simulations, we determined that the Crystal-6 tagging efficiency by other crystals without LS is 31.7 ± 0.1 % ...

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Decay modes of the systems formed in the reactions 78Kr+40Ca and 86Kr+48Ca

Decay modes of the systems formed in the reactions 78Kr+40Ca and 86Kr+48Ca

... silicon detector, as it can be verified by looking at Figure 2, where a E-RiseTime plot is presented for the n-poor system 78 Kr+ 40 Ca at 10 A · MeV at θ=34 ◦ ...

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Pressure Induced Structural Phase Transition, Metallization and Superconductivity in SodiumIodide (NaI)

Pressure Induced Structural Phase Transition, Metallization and Superconductivity in SodiumIodide (NaI)

... Abstract The structural phase transition and metallization of the simple alkali iodide, sodium iodide (NaI) is investigated through their band structures. The band structure, density of states (DOS) and total ...

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Structure and Ionic Diffusion in Molten NaI, RbI, and NaI-RbI mixture

Structure and Ionic Diffusion in Molten NaI, RbI, and NaI-RbI mixture

... density, respectively. The experimental ionic conductivities and diffusion coefficients are reasonably reproduced by MD simulations. Since ionic conductivities and diffusion coefficients for the mixture have not been ...

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BIO PROSPECTING OF ENDOPHYTIC BACTERIA FROM MEDICINAL PLANT

BIO PROSPECTING OF ENDOPHYTIC BACTERIA FROM MEDICINAL PLANT

... TV-7, TL-8, TL-9 AND TL-11 were identified as Bacillus ...and TL-10 were identified as Pseudomonas sp and TL-12 as Klebsiella ...

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Fuzzy TL uniform spaces

Fuzzy TL uniform spaces

... fuzzy TL-uniform ...fuzzy TL-uniformity. We connect the category of fuzzy TL-uniform spaces with the category of uniform ...fuzzy TL-uniformity is probabilistic ...fuzzy TL-uniform ...

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Hybrid modular multilevel converter with reduced three-level cells in hvdc transmission system

Hybrid modular multilevel converter with reduced three-level cells in hvdc transmission system

... Abstract—A hybrid MMC with reduced three-level (TL) cells is proposed. As well as the dc fault blocking capability, the proposed hybrid MMC provides the benefits of: lower conduction losses; fewer diode and ...

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Design and Development of Smart Robot Car for Border Security

Design and Development of Smart Robot Car for Border Security

... Sensory network in our proposed system detect parameters like human presence, harmful gases, pistols, bombs, mines, fire etc at remote areas. In border areas, we know the entry of any human is totally prohibited. Through ...

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Improving the MCLLS Method Applied to the In Vivo XRF Measurement of Lead in Bone by Using the Differential Operator Approach (MCDOLLS) and X-ray Coincidence Spectroscopy

Improving the MCLLS Method Applied to the In Vivo XRF Measurement of Lead in Bone by Using the Differential Operator Approach (MCDOLLS) and X-ray Coincidence Spectroscopy

... years (Ao et al. 1997a; He et al. 1991; Lee et al. 2001). In this thesis, the benchmark experiment was carried out with the geometry shown in figure 2.2, in which the source-sample-detector angle was 120+10 ...

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