Albedo factors of some elements in the atomic number range 26≤Z≤79 for 59.54  keV

Yılmaz, Demet; Uzunoğlu, Zeynep; Demir, Celalettin

doi:10.1016/j.apradiso.2017.01.013

Cited by 17 publications

(2 citation statements)

References 13 publications

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“…Arsenic is present too, as can be seen from the presence of the peaks at 10.54 keV (Kα) and 11.72 keV (Kβ). For these peaks, the K shell intensity ratios (Kβ/Kα) is respected, as it has an average value close to 0.14 [19]. Arsenic was a common contaminant in iron ores and thus was often present in iron alloys [20], [21].…”

Section: Alloys Identificationmentioning

confidence: 99%

Characterization of the Santa Maria del Fiore cupola construction tools using X-ray fluorescence

Sebar¹,

Iannucci

Grassini³

et al. 2022

ACTA IMEKO

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<p class="Abstract">This paper presents the characterization of different tools employed in the construction of the Santa Maria del Fiore cathedral in Florence; they are part of the Opera di Santa Maria del Fiore collection and are currently exhibited in the Museo dell’Opera del Duomo. The analysed objects are turnbuckles, pulleys, three-legged lewises, and pincers; indeed, despite their uniqueness and their importance from the historical point of view, this study is the first one that investigates their alloys composition. Actually, this information can be of great interest for curators to find the best conservation strategies and to have new insights on the production techniques typical of the Renaissance. The study was performed using X-Ray Fluorescence (XRF) in order to identify the materials constituting the objects. Then, XRF spectra were analysed using chemometric techniques, namely Principal Components Analysis (PCA), in order to investigate possible similarities among different alloys and thus provide new indications to help collocating these tools in a specific historical period.</p>

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Section: Alloys Identificationmentioning

confidence: 99%

Characterization of the Santa Maria del Fiore cupola construction tools using X-ray fluorescence

Sebar¹,

Iannucci

Grassini³

et al. 2022

ACTA IMEKO

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“…In addition, albedo factors were experimentally investigated using a high-resolution, high-purity germanium detector. Yılmaz et al (2017) calculated the albedo factors of elements with atomic numbers ranging from 26≤Z≤79. So, the americium-241 isotope was used as excitation radiation, and an HPGe detector with 182 eV resolution for 59.54 keV photon energy was used to collect gamma photons scattered from target samples.…”

Section: Introductionmentioning

confidence: 99%

Seryum ve Bazı Seçilmiş Seryum Bileşiklerinde Gama Radyasyonu Yansıtma Parametreleri

TURŞUCU

2023

Karadeniz Fen Bilimleri Dergisi

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In this study, the albedo parameters are known as the reflectance capacity of the electromagnetic radiation falling on the target samples; the surface's reflectivity was investigated. For this purpose, in the experimental setup, 241Am as a radioactive source and a semiconductor detector were used to count the scattered photons due to reflecting the gamma rays radiating from the source. The data obtained from the experiment were plotted depending on the atomic number of the target samples. It is understood from this study that the albedo factor parameters of the target samples selected for research decrease with increasing average atomic number.

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Monte Carlo simulation of reflection effects of multi-element materials on gamma rays

2021

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Albedo factors of some elements in the atomic number range 26≤Z≤79 for 59.54 keV

Cited by 17 publications

References 13 publications

Characterization of the Santa Maria del Fiore cupola construction tools using X-ray fluorescence

Characterization of the Santa Maria del Fiore cupola construction tools using X-ray fluorescence

Seryum ve Bazı Seçilmiş Seryum Bileşiklerinde Gama Radyasyonu Yansıtma Parametreleri

Monte Carlo simulation of reflection effects of multi-element materials on gamma rays

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