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Gamma ray spectrometry

Gamma-ray spectrometry across the Upper
Devonian basin succession at Kowala in the Holy
Cross Mountains (Poland)

Gamma-ray spectrometry across the Upper Devonian basin succession at Kowala in the Holy Cross Mountains (Poland)

... The sequence has been studied in detail with gamma-ray spectrometry, and the results are presented graphically in Text-fig. 2. The ratio is low (generally <1) for most of the Upper Frasnian. The ...

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The Integration of ASTER Imagery and Airborne Gamma-ray Spectrometry in Lithological Discrimination of Ras Barud - Um Tagher Area, North Eastern Desert, Egypt

The Integration of ASTER Imagery and Airborne Gamma-ray Spectrometry in Lithological Discrimination of Ras Barud - Um Tagher Area, North Eastern Desert, Egypt

... Airborne gamma-ray spectrometry has been used as a tool for lithological mapping for many decades and continues to be developed (IAEA, ...airborne gamma-ray spectrometry on ...

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The impact of coincidence summing corrections in the gamma-ray spectrometry analysis of uncontaminated surface soils

The impact of coincidence summing corrections in the gamma-ray spectrometry analysis of uncontaminated surface soils

... In this research, the primary concern is low level pri- mordial radiation (low counting rate, i.e < 100 counts/sec) from uncontaminated areas measured in contact with the detector, hence only cascade sum- ming is of ...

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Quantification of uranium-238 in environmental samples using gamma-ray spectrometry

Quantification of uranium-238 in environmental samples using gamma-ray spectrometry

... following gamma-rays can be used: 63 keV (doublet), ...The gamma-rays at 767 and 1001 keV are robust for quantification but due to their low emission probabilities ...Low-Level Gamma Spectrometric ...

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Effect of flash flood on uranium-series disequilibrium and groundwater residence time using gamma ray spectrometry

Effect of flash flood on uranium-series disequilibrium and groundwater residence time using gamma ray spectrometry

... Under aqueous conditions, thorium generally forms colorless solutions and is particularly prone to hydrolysis (Gascoyne, 1992; Wisser, 2003). Therefore, 230 Th and 226 Ra are not found in the studied surface water sample ...

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Assessment of Radiological Contamination of Soils Due to Shipbreaking Using HPGe Digital Gamma Ray Spectrometry System

Assessment of Radiological Contamination of Soils Due to Shipbreaking Using HPGe Digital Gamma Ray Spectrometry System

... digital gamma spectrome- try system and sophisticated data acquisition and gamma peak analysis software in the NAA laboratory of the In- stitute of Nuclear Science & Technology (INST), Atomic Energy ...

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Measurements of levels of natural radionuclides in the soil in Zuwaye, and Shashamene area, Ethiopia, using gamma ray spectrometry

Measurements of levels of natural radionuclides in the soil in Zuwaye, and Shashamene area, Ethiopia, using gamma ray spectrometry

... uptake by plants and animals and so make their way into the food chain [5]. Human beings are exposed to radiation from sources outside their bodies; mainly, cosmic rays and gamma ray emitters in soils, ...

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Gretel, A Computer Program for Gamma Ray Spectrometry with Ge (Li) Detectors  EUR 5117

Gretel, A Computer Program for Gamma Ray Spectrometry with Ge (Li) Detectors EUR 5117

... The computer routines which detect and evaluate peak areas perform the following operations: — local smoothing of the spectrum; — first derivative of the smoothed spectrum; — peak locati[r] ...

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Investigations of natural radioactivity levels and the possible radiation hazards in floriculture soil, Holeta, Shoa, Ethiopia, using gamma ray spectrometry

Investigations of natural radioactivity levels and the possible radiation hazards in floriculture soil, Holeta, Shoa, Ethiopia, using gamma ray spectrometry

... by gamma spectrometry with an FJ374 scintillation crystal cascaded with electronic circuits and Genie 2000 multichannel analyzer of 4096 ...kev gamma line for K-40 activity concentration (Faanu and ...

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Investigation of Failed TRISO Fuel Assay Using Gamma-Ray Spectrometry

Investigation of Failed TRISO Fuel Assay Using Gamma-Ray Spectrometry

... There are several impediments to accurate collection of data in the AGR-1 experiment. While most isotopes of Kr and Xe will quickly reach equilibrium concentrations in the effluent stream, long lived isotopes like Xe-133 ...

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Study of a Laboratory-based Gamma Spectrometry for Food and Environmental Samples

Study of a Laboratory-based Gamma Spectrometry for Food and Environmental Samples

... detector. Gamma-ray spectrometry using high purity germanium detector is enhanced by the excellent energy resolution which can help to separate and resolve various close energy ...

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Detailed Study of Radon Spatial Anomaly in Tlamacas Mountain Area, Volcano Popocatepetl, Mexico

Detailed Study of Radon Spatial Anomaly in Tlamacas Mountain Area, Volcano Popocatepetl, Mexico

... and gamma ray spectrometry revealed intensive radon and gamma ray emanation located in the area of Tlamacas Mountain; the radon concentrations in the Tlamacas area were 10 - 20 times ...

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The analysis of multichannel airborne gamma-ray spectra

The analysis of multichannel airborne gamma-ray spectra

... For multichannel airborne gamma-ray spectrometry the situation is more complex, since the variation in spectral shape and intensity with survey height and source diameter are now require[r] ...

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Investigation on 226Ra, 238Th, 4040K and 137Cs Concentrations in Common Polishing Materials Consumed by Inhabitants in Saudi Arabia

Investigation on 226Ra, 238Th, 4040K and 137Cs Concentrations in Common Polishing Materials Consumed by Inhabitants in Saudi Arabia

... Conclusion The activity levels of the natural terrestrial radionuclides as 226 Ra, 232 Th, 40K and artificial 137Cs were determined using a gamma-ray spectrometry in 22 samples of polish[r] ...

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Assessment of Ingestion Dose and Lifetime Cancer Risk through Marine Food Samples of South West Coast of Kerala

Assessment of Ingestion Dose and Lifetime Cancer Risk through Marine Food Samples of South West Coast of Kerala

... Radioactive isotopes of elements (radionuclides) are naturally present in the environment. Humans are exposed to environmental radiation through inhalation of dusts (contaminated with radiation) and gases, ingestion of ...

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PAPER / ARTICLE  TITLE   –     NAME OF AUTHOR

PAPER / ARTICLE  TITLE   –     NAME OF AUTHOR

... to gamma ray scintillation ...well-shielded gamma-ray spectrometry based on NaI (Tl) scintillation detector measures the intensity of the transmitted ...

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GRAINE project: precise gamma-ray observations with balloon-borne emulsion telescope

GRAINE project: precise gamma-ray observations with balloon-borne emulsion telescope

... The aim of the GRAINE 2015 experiment was to demon- strate the flight performance of the middle-scale telescope. The payload consisted of the emulsion telescope, star cam- eras, and a pressure vessel gondola [21]. Figure ...

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High Energy Atmospheric Physics: Ball Lightning

High Energy Atmospheric Physics: Ball Lightning

... In Section 2 we present a short history of Ball Lightning hypothesis. In Section 3 we present experimental results and existing theories in High-Energy Atmos- pheric Physics concerning Lightning initiation problem and ...

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The Cygnus region of the galaxy: A VERITAS perspective

The Cygnus region of the galaxy: A VERITAS perspective

... This puzzle admits at least two competing physical solutions. First, the spectra of different regions of the γ Cygni SNR may evolve differently above 500 GeV, with the emission from the northern shell having a ...

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On the Gamma Ray Bursts Origin

On the Gamma Ray Bursts Origin

... copious gamma production during shock interaction with ambient interstellar ...intergalactic gamma-rays to the proton current on spin shock-waves ensure precise agreement between generated proton currents ...

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