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High-Density Glass Scintillators for Proton Radiography—Relative Luminosity, Proton Response, and Spatial Resolution

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Τίτλος: High-Density Glass Scintillators for Proton Radiography—Relative Luminosity, Proton Response, and Spatial Resolution
Συγγραφείς: Ethan Stolen, Ryan Fullarton, Rain Hein, Robin L. Conner, Luiz G. Jacobsohn, Charles-Antoine Collins-Fekete, Sam Beddar, Ugur Akgun, Daniel Robertson
Πηγή: Sensors, Vol 24, Iss 7, p 2137 (2024)
Στοιχεία εκδότη: MDPI AG
Έτος έκδοσης: 2024
Συλλογή: Directory of Open Access Journals: DOAJ Articles
Θεματικοί όροι: proton radiography, proton therapy, glass scintillator, imaging, scintillator characterization, Chemical technology, TP1-1185
Περιγραφή: Proton radiography is a promising development in proton therapy, and researchers are currently exploring optimal detector materials to construct proton radiography detector arrays. High-density glass scintillators may improve integrating-mode proton radiography detectors by increasing spatial resolution and decreasing detector thickness. We evaluated several new scintillators, activated with europium or terbium, with proton response measurements and Monte Carlo simulations, characterizing relative luminosity, ionization quenching, and proton radiograph spatial resolution. We applied a correction based on Birks’s analytical model for ionization quenching. The data demonstrate increased relative luminosity with increased activation element concentration, and higher relative luminosity for samples activated with europium. An increased glass density enables more compact detector geometries and higher spatial resolution. These findings suggest that a tungsten and gadolinium oxide-based glass activated with 4% europium is an ideal scintillator for testing in a full-size proton radiography detector.
Τύπος εγγράφου: article in journal/newspaper
Γλώσσα: English
Relation: https://www.mdpi.com/1424-8220/24/7/2137; https://doaj.org/toc/1424-8220; https://doaj.org/article/328fcfd4ca4648aba8251fd9f00b8bca
DOI: 10.3390/s24072137
Διαθεσιμότητα: https://doi.org/10.3390/s24072137
https://doaj.org/article/328fcfd4ca4648aba8251fd9f00b8bca
Αριθμός Καταχώρησης: edsbas.25C0721
Βάση Δεδομένων: BASE
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  – Url: https://doi.org/10.3390/s24072137#
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  Data: High-Density Glass Scintillators for Proton Radiography—Relative Luminosity, Proton Response, and Spatial Resolution
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  Data: <searchLink fieldCode="AR" term="%22Ethan+Stolen%22">Ethan Stolen</searchLink><br /><searchLink fieldCode="AR" term="%22Ryan+Fullarton%22">Ryan Fullarton</searchLink><br /><searchLink fieldCode="AR" term="%22Rain+Hein%22">Rain Hein</searchLink><br /><searchLink fieldCode="AR" term="%22Robin+L%2E+Conner%22">Robin L. Conner</searchLink><br /><searchLink fieldCode="AR" term="%22Luiz+G%2E+Jacobsohn%22">Luiz G. Jacobsohn</searchLink><br /><searchLink fieldCode="AR" term="%22Charles-Antoine+Collins-Fekete%22">Charles-Antoine Collins-Fekete</searchLink><br /><searchLink fieldCode="AR" term="%22Sam+Beddar%22">Sam Beddar</searchLink><br /><searchLink fieldCode="AR" term="%22Ugur+Akgun%22">Ugur Akgun</searchLink><br /><searchLink fieldCode="AR" term="%22Daniel+Robertson%22">Daniel Robertson</searchLink>
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  Data: Sensors, Vol 24, Iss 7, p 2137 (2024)
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  Data: MDPI AG
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  Data: 2024
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  Data: Directory of Open Access Journals: DOAJ Articles
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  Data: <searchLink fieldCode="DE" term="%22proton+radiography%22">proton radiography</searchLink><br /><searchLink fieldCode="DE" term="%22proton+therapy%22">proton therapy</searchLink><br /><searchLink fieldCode="DE" term="%22glass+scintillator%22">glass scintillator</searchLink><br /><searchLink fieldCode="DE" term="%22imaging%22">imaging</searchLink><br /><searchLink fieldCode="DE" term="%22scintillator+characterization%22">scintillator characterization</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+technology%22">Chemical technology</searchLink><br /><searchLink fieldCode="DE" term="%22TP1-1185%22">TP1-1185</searchLink>
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  Data: Proton radiography is a promising development in proton therapy, and researchers are currently exploring optimal detector materials to construct proton radiography detector arrays. High-density glass scintillators may improve integrating-mode proton radiography detectors by increasing spatial resolution and decreasing detector thickness. We evaluated several new scintillators, activated with europium or terbium, with proton response measurements and Monte Carlo simulations, characterizing relative luminosity, ionization quenching, and proton radiograph spatial resolution. We applied a correction based on Birks’s analytical model for ionization quenching. The data demonstrate increased relative luminosity with increased activation element concentration, and higher relative luminosity for samples activated with europium. An increased glass density enables more compact detector geometries and higher spatial resolution. These findings suggest that a tungsten and gadolinium oxide-based glass activated with 4% europium is an ideal scintillator for testing in a full-size proton radiography detector.
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  Data: https://www.mdpi.com/1424-8220/24/7/2137; https://doaj.org/toc/1424-8220; https://doaj.org/article/328fcfd4ca4648aba8251fd9f00b8bca
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      – SubjectFull: proton radiography
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