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Optimizing Novel Inorganic Scintillation Detectors for Applications in Medical Physics

2020· article· en· W3112891713 on OpenAlexaff
Kevin Byrne, Skye Conlan, Magdalena Bazalova‐Carter, Mark Foley

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldPhysics and Astronomy
TopicRadiation Detection and Scintillator Technologies
Canadian institutionsUniversity of Victoria
Fundersnot available
KeywordsScintillatorDetectorScintillationMonte Carlo methodDosimetryOpticsPhosphorOptical fiberPhysicsParticle detectorOptoelectronicsMaterials scienceMedical physicsNuclear medicine

Abstract

fetched live from OpenAlex

Scintillating materials continue to play a major role in radiation dosimetry. This work focused on the optimization of inorganic scintillator-based detectors for clinical and preclinical optical fiber dosimetry applications. The detector design originally utilized gadolinium oxysulfide-filled bore in a PMMA optical fiber. Recently, Monte Carlo simulation results confirmed improved perturbation metrics by a ZnS phosphor-based design. ZnS:Ag scintillator exhibits a higher scintillation efficiency and presents its greatest utility at shallow depths, due to its absorption characteristics. In this paper, we detail the optimization of the detector designs to date and present Monte Carlo simulations carried out to investigate dose perturbation in an optimized ZnS-based scintillation detector.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.001
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.023
GPT teacher head0.264
Teacher spread0.241 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations5
Published2020
Admission routes1
Has abstractyes

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