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Evaluation of radiation environment in the target area of fragment separator HFRS at HIAF
In this work, the radiation environment in the target area of a fragment separator is evaluated using FLUKA code. The energy deposition in quadrupole coils is presented to provide guidance for a…
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Study of neutron dose equivalent at the HIRFL deep tumor therapy terminal
The secondary neutron fields at the deep tumor therapy terminal at HIRFL (Heavy Ion Research Facility in Lanzhou) were investigated. The distributions of neutron ambient dose equivalent were measured…
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Evaluation of neutron radiation field in carbon ion therapy
TLDR
The simulated results of neutron energy spectra and neutron dose was found to be in good agreement with the experiment data and it was found that the secondary neutron energy deposition is not expected to exceed 1% of the carbon ion energy deposition in a typical treatment.
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Monte Carlo simulation of carbon ion radiotherapy for the human eye
TLDR
The carbon ion dose in tumor treatment for human eye was calculated with FLUKA code and an 80 MeV/u carbon beam was irradiated into the human eye from two directions to simulate a patient gazing directly into treatment beam during therapy, which may cause a certain medical accident.
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Neutron penetration in labyrinths under different beam losses
Multiple analytical methods and Monte Carlo simulations were performed to evaluate neutron penetration in straight and curved labyrinths. Factors studied included variations in beam losses of…
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Neutron Dose measurement in the carbon ion therapy area at HIRFL (IMP) as 12C ions with energies from 165 to 350MeV/u
TLDR
The neutron dose distributions on observation distances and on observation angles were measured using a Wendi-II neutron dose-meter at the deep tumor therapy terminal at HIRFL and the experimental data was in good agreement with the calculated results.
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Study on Microdosimetric Characteristics of 120MeV/u to 430MeV/u Carbon Ions
TLDR
Simulated microscopic patterns of energy depositions for mixed radiation fields which are created by carbon ions with general purpose Monte Carlo code FLUKA are meaningful for making treatment planning in carbon ion radiotherapy.
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Radiation protection considerations in radioactive ion beam facilities
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STUDY OF NEUTRON RADIATION FIELD AT THE FIRST RADIOACTIVE ION BEAM LINE IN LANZHOU.
TLDR
The induced radioactivity of accelerator components and corresponding residual dose rates were analyzed for the radiation safety of accelerator workers and the airborne radioactivity as well as occupational exposure due to immersion in and inhalation of activated air were estimated.
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Induced radiation studies and personnel dose assessment in a carbon ion therapy facility.
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