Gotowe bibliografie tematyczne / Alpha track detectors

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Gotowa bibliografia na temat „Alpha track detectors”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Alpha track detectors"

McLaughlin, J. P., and B. Fitzgerald. "Models for Determining the Response of Passive Alpha Particle Detectors to Radon and Its Progeny in Cylindrical Detecting Volumes." Radiation Protection Dosimetry 56, no. 1-4 (1994): 241–46. http://dx.doi.org/10.1093/oxfordjournals.rpd.a082462.

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Abstract Many radon detectors exist in the form of a planar disc shaped alpha particle detector mounted in one end of a small cylindrical chamber. Models have been developed to determine the sensitivity of such detectors to radon exposure. A model, adapted from the Jacobi-Porstendorfer room models, is used to determine the partitioning of short-lived radon progeny between airborne and surface deposited states within the detecting volume. This is used in conjunction with Monte Carlo simulation to obtain the radon sensitivity. The use of these models with passive alpha track detectors is highlig

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Alexandropoulou, M., D. Sarigiannidis, C. Papachristodoulou, K. Stamoulis, and K. G. Ioannides. "Validation of the ImageJ package for alpha track counting on Solid State Nuclear Track Detectors." HNPS Proceedings 24 (April 1, 2019): 239. http://dx.doi.org/10.12681/hnps.1873.

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In the present work, an alpha spectroscopic method using CR39 nuclear track detectors is being evaluated, elaborating on track parameters from different alpha particle sources. The freely-available, Java-based ImageJ software was used to obtain the major and minor axis length, the area and the mean gray level of the recorded tracks. A multi-paramater approach based on Principal Component Analysis of the data was subsequently applied and succeeded in grouping the recorded tracks according to alpha-particle energy. The methodology was further applied for the separation of radon progeny on CR39 d

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Nikezic, Dragoslav, Jelena M. Stajic, and Kwan Ngok Yu. "Updates to TRACK_TEST and TRACK_VISION Computer Programs." Polymers 13, no. 4 (2021): 560. http://dx.doi.org/10.3390/polym13040560.

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The computer programs TRACK_TEST and TRACK_VISION were previously developed to model profiles and optical appearances of tracks developed in solid-state nuclear track detectors. The programs were based on a track development model that involved the bulk etch rate Vb and the track etch rate Vt or the V function (i.e., Vt/Vb). The present work reported our work to update and modify these two programs. In the revised TRACK_TEST, two new V functions were added and enabled. Sample results for the CR-39 detector obtained using the three original and the two new V functions were compared. Discrepanci

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Sabbarese, C., F. Ambrosino, and V. Roca. "ANALYSIS BY SCANNER OF TRACKS PRODUCED BY RADON ALPHA PARTICLES IN CR-39 DETECTORS." Radiation Protection Dosimetry 191, no. 2 (2020): 154–59. http://dx.doi.org/10.1093/rpd/ncaa140.

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Abstract The most used passive detectors for Radon measurement are the CR39s, both for the good stability of the material and for the practicality of use. But, commercial reading systems are expensive and not always fast. The aim of the present work was the development of a method for a rapid, efficient and economic evaluation of the result of the indoor Radon measurement performed with CR39 detectors. The analysis and acquisition of detector images were performed using a photo scanner and the free ImageJ software. Several groups of CR-39 detectors were exposed, developed and analysed. Calibra

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Wertheim, D., G. Gillmore, L. Brown, and N. Petford. "3-D imaging of particle tracks in solid state nuclear track detectors." Natural Hazards and Earth System Sciences 10, no. 5 (2010): 1033–36. http://dx.doi.org/10.5194/nhess-10-1033-2010.

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Abstract. It has been suggested that 3 to 5% of total lung cancer deaths in the UK may be associated with elevated radon concentration. Radon gas levels can be assessed using CR-39 plastic detectors which are often assessed by 2-D image analysis of surface images. 3-D analysis has the potential to provide information relating to the angle at which alpha particles impinge on the detector. In this study we used a "LEXT" OLS3100 confocal laser scanning microscope (Olympus Corporation, Tokyo, Japan) to image tracks on five CR-39 detectors. We were able to identify several patterns of single and co

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Patiris, D. L., K. Blekas, and K. G. Ioannides. "A MATLAB code for recognition and counting of track images." HNPS Proceedings 14 (December 5, 2019): 119. http://dx.doi.org/10.12681/hnps.2259.

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A computer program named TRIAC written in MATLAB has been developed for track recognition and track parameters measurements from images of Solid State Nuclear Track Detectors CR39. The program using image analysis tools counts the number of tracks and classifies the tracks according to their radii. Comparison of manual scanning counts with those output by the automatic system are presented for detectors exposed to a radon rich environment. The system was also tested to differentiate tracks recorded by alpha particles of different energies

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Munshed, Aqmur Sadoon, and Ahmed Abed Ibrahim. "The Effect of Two Etching Solutions NaOH and KOH on Registration Properties and Etching of Polymer CR-39 Detectors." Engineering Chemistry 6 (March 5, 2024): 1–9. http://dx.doi.org/10.4028/p-cznm6c.

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The solid – state nuclear track detector (SSNTDs) CR-39 can be used to study the different factors for alpha particle. Alpha particle is very dangerous inside the human body so the study its very important. In this article, we investigated the impact of two different etching solutions (NaOH and KOH)) on registrations properties, diameter D, track Diameter growth velocity VD, number of tracks and removal layer thickness of CR-39 nuclear track detector. The two types NaOH and KOH were dissolved in water with varied normality (3,5,7,9,11)N under a temperature of (70±1)°C to create the solution. D

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Kantarelou, Vasiliki, Andriy Velyhan, Przemysław Tchórz, et al. "A Methodology for the Discrimination of Alpha Particles from Other Ions in Laser-Driven Proton-Boron Reactions Using CR-39 Detectors Coupled in a Thomson Parabola Spectrometer." Laser and Particle Beams 2023 (February 27, 2023): 1–12. http://dx.doi.org/10.1155/2023/3125787.

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Solid-state nuclear track detectors (CR-39 type) are frequently used for the detection of ions accelerated by laser-plasma interaction because they are sensitive to each single particle. To the present day, CR-39 detectors are the main diagnostics in experiments focused on laser-driven proton-boron (p11B) fusion reactions to detect alpha particles, which are the main products of such a nuclear reaction, and to reconstruct their energy distribution. However, the acceleration of multispecies ions in the laser-generated plasma makes this spectroscopic method complex and often does not allow to un

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Vrinda Devi, K. V., and Jayshree Ramkumar. "Effect of Alpha Energy on Track Characteristics." Oriental Journal of Physical Sciences 2, no. 2 (2017): 75–80. http://dx.doi.org/10.13005/ojps02.02.05.

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Radiation imaging using solid state nuclear track detectors is an important non destructive technique for estimation of radioactive species like plutonium, thorium etc. In this study, two alpha sources were used for imaging of alpha tracks. From the image analysis of the tracks, different track characteristics were analysed. The frequency distribution of track parameters is Gaussian in nature and is found to be affected by the energy of alphas. It was seen that the maximum of the frequency distribution was located at higher values of track diameter (or area) for the tracks registered with alph

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Al-Sayed, A., M. El Ghazaly, E. H. Ghanim, Amal Mohamed, Hala I. El-Naggar, and Mahmoud S. Dawood. "Alpha particle spectrometry based on the mean grey level and visibility of track etch-pit in CR-39 Nuclear Track Detector." Physica Scripta 97, no. 5 (2022): 055305. http://dx.doi.org/10.1088/1402-4896/ac64d0.

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Abstract The CR-39 detector is used in this work to present an exceptional technique for alpha-particle spectrometry. This new approach is based on determining the mean grey level and visibility of the alpha particle track etch-pit. The latter is used to discriminate alpha particles of different energies that produce the same track diameter at the same etching time. CR-39 detectors had been irradiated by alpha particles with energies 1, 2, 3, 4, and 5 MeV thereafter are chemically etched in 6.25 M NaOH at 70 °C. At various etching periods, the diameter, the mean grey level, and the visibility

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Rozprawy doktorskie na temat "Alpha track detectors"

PEREIRA, MARCO A. S. "Radiografia com partículas alfa induzida por nêutrons." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11619.

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Made available in DSpace on 2014-10-09T12:53:57Z (GMT). No. of bitstreams: 0 Made available in DSpace on 2014-10-09T14:09:29Z (GMT). No. of bitstreams: 0 Tese (Doutoramento) IPEN/T Instituto de Pesquisas Energéticas e Nucleares - IPEN-CNEN/SP

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Pereira, Osvaldo Luiz dos Santos. "Estudo comparativo das respostas de monitores de Rn-222 que utilizam o CR-39 como detector de traços de partículas alfa." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278128.

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Orientador: Julio Cesar Hadler Neto Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin Made available in DSpace on 2018-08-15T08:30:20Z (GMT). No. of bitstreams: 1 Pereira_OsvaldoLuizdosSantos_M.pdf: 6453293 bytes, checksum: 6ae2b987d494a6587014b4c55b607120 (MD5) Previous issue date: 2010 Resumo: Neste trabalho foi realizado estudo comparativo entre as respostas de três monitores, o NRPB, o monitor de acrílico (geometria filme fino) e o monitor de alumínio (geometria filme fino), em exposições controladas e mistas. As exposições consistiram

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Mauss, Benoit. "Réactions élastiques et inélastiques résonantes pour la caractérisation expérimentale de la cible active ACTAR TPC." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMC226/document.

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ACTAR TPC (ACtive TARget and Time Projection Chamber) est une cible active de nouvelle génération construite au GANIL (Grand Accélérateur d'Ions Lourds). Les cibles actives sont des cibles gazeuses où le gaz permet de détecter le passage de particules chargées selon le principe des chambres à projection temporelle (TPC). La TPC d'ACTAR est formée d'une anode segmentée de 16384 pixels carrés de 2 mm de côté. La haute densité de voies est gérée par le système électronique GET (General Electronics for TPCs). Ce système digitalise également les signaux sur un intervalle de temps donné, pour une re

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Rojas, Jimmy A. (Rojas Herrera). "Impact of x-ray dose on the response of CR-39 nuclear track detector to 1-5.5 MeV alphas and 0.5-9.1 MeV protons for spectroscopy at the OMEGA Laser Facility and the National Ignition Facility." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/106770.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, June 2016. Page 47 blank. Cataloged from PDF version of thesis. Includes bibliographical references (pages 45-46). The CR-39 nuclear track detector is used in many nuclear diagnostics fielded at inertial confinement fusion (ICF) facilities. Large x-ray fluences generated by ICF experiments may impact the CR-39 response to incident charged particles. To determine the impact of x-ray exposure on the CR-39 response to protons and alpha particles, a thick-target bremsstrahlung x-ray generat

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Książki na temat "Alpha track detectors"

The application of nuclear track detectors for alpha energy discrimination and radon measurement in Egyptian dwellings: German-Egyptian cooperation in scientific research and technological development. Forschungszentrum Jülich Zentralbibliothek, 1995.

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Części książek na temat "Alpha track detectors"

Durrani, S. A. "Alpha-Particle Etched Track Detectors." In Radon Measurements by Etched Track Detectors. WORLD SCIENTIFIC, 1997. http://dx.doi.org/10.1142/9789812830197_0004.

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Herz, Norman, and Ervan G. Garrison. "Radiation-Damage, Cosmogenic, and Atom-Counting Methods." In Geological Methods for Archaeology. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195090246.003.0010.

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Fission-track dating, one of the more recent techniques involving the use of radioactivity, has developed one of the widest ranges of applications. Dates of objects have been obtained ranging from 6 months to 109 years BP. Volcanic tephra, obsidian, man-made and basaltic glass, meteorites, and mica have been dated. A more apt term is nuclear-track dating because fissionable elements do not have to be present in the material. Fission, which produces one form of nuclear track, is a rare mode of radioactive decay. A more common decay is alpha decay, which produces a different type of track. Urani

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"Characterization and calibration of a batch of five thousand SSNTD Columbia Resin 39 detectors." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.43.1.

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The sampling of radon 222 (Rn-222) in confined environments can be performed using solid- state nuclear track detectors (SSNTD) of the Columbia Resin 39 (CR-39) type. The alpha tracks imprinted by radon on the surface of the sensitive material become visible through chemical etching and are subsequently counted to determine the radon activity concentration in the environment. In 2022, the National Inspectorate for Nuclear Safety and Radiation Protection (ISIN) carried out the characterization and calibration of a batch of 5054 CR39 detectors supplied by a British manufacturer and divided into

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"Studies for alpha particle spectroscopy using TASTRAK (CR- 39) Detectors." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.35.15.

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This communication discusses the possibilities to obain spectroscopic results of measured alpha particle tracks in solid state nuclear detectoers, based on image analysis of etched alpha particle tracks in TASTRAK (CR-39 type) plastic detectors. Ra-226 and its descendants, which belong also to the U-238 decay chain, is an important naturally occurring radioactive chain, often used for experimental studies. The main decay probability of the Ra-226 alpha decay chain is presented in the form Nuclide, Energy (keV), Transition Probability (%): (Ra-226, 4870.54, 94.038; Ra-226, 4684,5.95; Rn-222, 55

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I. Al-Naggar, Tayseer, and Doaa H. Shabaan. "Radon in Foods." In Recent Techniques and Applications in Ionizing Radiation Research. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93123.

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This chapter show the natural of radioactivity as alpha particle which produce from decaying of radium to radon so in this chapter describe the radon in some types of household food (coffee, tea, powder milk, rice, flour, cornstarch, and powder coconut) and different types of salt by using Solid State Nuclear Track Detectors (SSNTD), were analyzed by closed-can technique (CR-39). Many food items contain natural sources of salt. Salt analysis is very important due to its high consumption by the population and for its medicinal use. Analysis the concentrations of Radon-222 and Radium-226 for dif

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H. Elaraby, Entesar. "Natural Radioactive Decay." In Recent Techniques and Applications in Ionizing Radiation Research. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91899.

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This chapter is primarily concerned with natural radioactive decay. Generally speaking, there are two types of natural radioactive decays: alpha decays “which contain two neutrons and two protons” emitted from radon gas; additionally, nuclear decay by emission of photons (γ-decay). This chapter aims to describe γ and alpha loss of nuclei and demonstrates how to measure the radioactive material naturally using solid-state nuclear track detector (SSNTD) and high purity Germanium detector (HPGD). Also, methods of measuring the different characteristics of the alpha particle using the track profil

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Andru, J. "The principle of a passive, on/off, alpha track, closed radon detector." In Radioactivity in the Environment. Elsevier, 2005. http://dx.doi.org/10.1016/s1569-4860(04)07033-0.

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YIP, C., D. NIKEZIC, J. HO, and K. YU. "Track like structures in CR-39 detector from alpha particles with incident angles close to and below the critical angles." In Recent Advances in Multidisciplinary Applied Physics. Elsevier, 2005. http://dx.doi.org/10.1016/b978-008044648-6/50108-7.

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Streszczenia konferencji na temat "Alpha track detectors"

Tawara, Yuzuru, Shinji Hara, Kazuo Koga, and Kenji Tsuji. "Application of Cloud Chambers for Heuristic Comprehension of Radiation." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16909.

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In the nuclear-related public relation center, a variety of displays such as models of nuclear facility, panel presentations to explain radiation properties, radiation detectors are used for the visitors to help the understanding of nuclear power and radiation. The PR center demonstrates various aspect of the radiation such as the presence of natural background radiations around us in the daily life, shielding effect for the different kind of radiations. Cloud Chambers are often used to demonstrate the presence of natural background radiation, showing tracks caused by the ionizing effect. The

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Morelli, D., G. Immè, M. Aranzulla, et al. "Nuclear Track Detector Characterization via Alpha-Spectrometry for Radioprotection Use." In APPLICATIONS OF NUCLEAR TECHNIQUES: Eleventh International Conference. AIP, 2011. http://dx.doi.org/10.1063/1.3665341.

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Eghan, M. J., and Paul Buah-Bassuah. "Alpha track counting in LR-115 nuclear detector with optical Fourier digital system." In 19th Congress of the International Commission for Optics: Optics for the Quality of Life, edited by Giancarlo C. Righini and Anna Consortini. SPIE, 2003. http://dx.doi.org/10.1117/12.524479.

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Campbell, M., V. Havranek, E. Heijne, et al. "Charge collection from proton and alpha particle tracks in silicon pixel detector devices." In 2007 IEEE Nuclear Science Symposium Conference Record. IEEE, 2007. http://dx.doi.org/10.1109/nssmic.2007.4437190.

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Baig, M. R., W. A. Farooq, S. S. AlGhamdi, M. S. Al-Salhi, and I. F. A. Al-Inazi. "Spectroscopic study of solar exposed Pre and post alpha irradiated CR-39 plastic track detector in UV-Visible range." In 2013 18th International Conference on Digital Signal Processing (DSP). IEEE, 2013. http://dx.doi.org/10.1109/siecpc.2013.6550983.

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Dahham, Abdulqadher Makki, and Nada Farhan Kadhim. "Determination of the energy of the incident alpha particle by the diameter of the track registered in CR-39 detector." In 3RD INTERNATIONAL SCIENTIFIC CONFERENCE OF ALKAFEEL UNIVERSITY (ISCKU 2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0067120.

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