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RADIATION PROTECTIO...
RADIATION PROTECTION MEASUREMENTS WITH THE VARIANCE-COVARIANCE METHOD IN THE STRAY RADIATION FIELDS FROM PHOTON AND PROTON THERAPY FACILITIES
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- Lillhök, J. (author)
- Swedish Radiation Safety Authority, Stockholm, Sweden
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- Persson, L. (author)
- Swedish Radiation Safety Authority, Stockholm, Sweden
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- Andersen, C. E. (author)
- Center for Nuclear Technologies, Technical University of Denmark, Roskilde, Denmark
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- Dasu, Alexandru (author)
- The Skandion Clinic, Uppsala, Sweden
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- Ardenfors, Oscar (author)
- Karolinska Institutet,Stockholms universitet,Fysikum,Medical Radiation Physics, Department of Physics, Stockholm University, Stockholm, Sweden
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(creator_code:org_t)
- 2017-09-29
- 2018
- English.
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In: Radiation Protection Dosimetry. - : Oxford University Press (OUP). - 0144-8420 .- 1742-3406. ; 180:1-4, s. 338-341
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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http://kipublication...
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Abstract
Subject headings
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- The microdosimetric variance-covariance method was used to study the stray radiation fields from the photon therapy facility at the Technical University of Denmark and the scanned proton therapy beam at the Skandion Clinic in Uppsala, Sweden. Two TEPCs were used to determine the absorbed dose, the dose-average lineal energy, the dose-average quality factor and the dose equivalent. The neutron component measured by the detectors at the proton beam was studied through Monte Carlo simulations using the code MCNP6. In the photon beam the stray absorbed dose ranged between 0.3 and 2.4 mu Gy per monitor unit, and the dose equivalent between 0.4 and 9 mu Sv per monitor unit, depending on beam energy and measurement position. In the proton beam the stray absorbed dose ranged between 3 and 135 mu Gy per prescribed Gy, depending on detector position and primary proton energy.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- medicinsk strålningsfysik
- Medical Radiation Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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