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Dose Distribution Outside the Target Volume for 170-Mev Proton Beam

Katerina Pachnerova Brabcova (Institutionen för teknisk fysik, Nukleär teknik) ; I. Ambrozova ; J. Kubancak ; Monika Puchalska (Institutionen för teknisk fysik, Nukleär teknik) ; V. Vondracek ; A. G. Molokanov ; Lembit Sihver (Institutionen för teknisk fysik, Nukleär teknik) ; M. Davidkova
Radiation Protection Dosimetry (0144-8420). Vol. 161 (2014), 1-4, p. 410-416.
[Artikel, refereegranskad vetenskaplig]

Dose delivered outside the proton field during radiotherapy can potentially lead to secondary cancer development. Measurements with a 170-MeV proton beam were performed with passive detectors (track etched detectors and thermoluminescence dose-meters) in three different depths along the Bragg curve. The measurement showed an uneven decrease of the dose outside of the beam field with local enhancements. The major contribution to the delivered dose is due to high-energy protons with linear energy transfer (LET) up to 10 keV mu m(-1). However, both measurement and preliminary Monte Carlo calculation also confirmed the presence of particles with higher LET.

Denna post skapades 2014-11-18.
CPL Pubid: 205943


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Institutioner (Chalmers)

Institutionen för teknisk fysik, Nukleär teknik (2006-2015)


Teknisk fysik

Chalmers infrastruktur