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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Variance reduction technique in a beta radiation beam using an extrapolation chamber

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Polo, Ivon Oramas ; Santos, William Souza ; Antonio, Patricia de lara ; Caldas, Linda V. E.
Total Authors: 4
Document type: Journal article
Source: Applied Radiation and Isotopes; v. 128, p. 154-157, OCT 2017.
Web of Science Citations: 4

0 This paper aims to show how the variance reduction technique ``Geometry splitting/Russian roulette{''} improves the statistical error and reduces uncertainties in the determination of the absorbed dose rate in tissue using an extrapolation chamber for beta radiation. The results show that the use of this technique can increase the number of events in the chamber cavity leading to a closer approximation of simulation result with the physical problem. There was a good agreement among the experimental measurements, the certificate of manufacture and the simulation results of the absorbed dose rate values and uncertainties. The absorbed dose rate variation coefficient using the variance reduction technique ``Geometry splitting/Russian roulette{''} was 2.85%. (AU)

FAPESP's process: 14/12732-9 - Determination of a reference system and a routine dosimeter using fototransferred luminescent techniques, for high-dose dosimetry in gamma irradiators
Grantee:Patrícia de Lara Antonio
Support type: Scholarships in Brazil - Post-Doctorate