Ronja Hetzel
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View article: Genetic algorithm as a tool for detection setup optimisation for prompt-gamma imaging in proton therapy: SiFi Compton camera case study
Genetic algorithm as a tool for detection setup optimisation for prompt-gamma imaging in proton therapy: SiFi Compton camera case study Open
Objective. Proton therapy is a precision-focused cancer treatment where accurate proton beam range monitoring is critical to ensure effective dose delivery. This can be achieved by prompt gamma (PG) detection with a Compton camera like the…
View article: First experimental test of a coded-mask gamma camera for proton therapy monitoring
First experimental test of a coded-mask gamma camera for proton therapy monitoring Open
Objective. The objective of the presented study was to evaluate the feasibility of a coded-mask (CM) gamma camera for real-time range verification in proton therapy, addressing the need for a precise and efficient method of treatment monit…
View article: First experimental test of a coded-mask gamma camera for proton therapy monitoring
First experimental test of a coded-mask gamma camera for proton therapy monitoring Open
Objective. The objective of the presented study was to evaluate the feasibility of a coded-mask (CM) gamma camera for real-time range verification in proton therapy, addressing the need for a precise and efficient method of treatment monit…
View article: Genetic algorithm as a tool for detection setup optimisation: SiFi-CC case study
Genetic algorithm as a tool for detection setup optimisation: SiFi-CC case study Open
Objective: Proton therapy is a precision-focused cancer treatment where accurate proton beam range monitoring is critical to ensure effective dose delivery. This can be achieved by prompt gamma detection with a Compton camera like the SiFi…
View article: Comparison of readout systems for high-rate silicon photomultiplier applications
Comparison of readout systems for high-rate silicon photomultiplier applications Open
Recent years have shown an increased use of silicon photomultipliers (SiPM) in experiments as they are of reasonable cost, have relatively low power consumption and are easily available in a variety of form factors allowing for a large num…
View article: Range Monitoring Capabilities with the SiFi-CC Detector: Spectral-spatial Imaging with Monte Carlo-simulated Data
Range Monitoring Capabilities with the SiFi-CC Detector: Spectral-spatial Imaging with Monte Carlo-simulated Data Open
The SiFi-CC group is developing a scintillating-fiber-based Compton camera for high-efficiency gamma-ray imaging, specifically tailored for online range verification in particle therapy. After thorough optimization studies, including the d…
View article: Comparison of readout systems for high-rate silicon photo-multiplier applications
Comparison of readout systems for high-rate silicon photo-multiplier applications Open
Recent years have shown an increased use of silicon photo-multipliers (SiPM) in experiments as they are of reasonable cost, have relatively low power consumption and are easily available in a variety of form factors allowing for a large nu…
View article: Near-field coded-mask technique and its potential for proton therapy monitoring
Near-field coded-mask technique and its potential for proton therapy monitoring Open
Objective. Prompt-gamma imaging encompasses several approaches to the online monitoring of the beam range or deposited dose distribution in proton therapy. We test one of the imaging techniques - a coded mask approach - both experimentally…
View article: Near-field coded-mask technique and its potential for proton therapy monitoring
Near-field coded-mask technique and its potential for proton therapy monitoring Open
Objective. Prompt-gamma imaging encompasses several approaches for online monitoring of beam range or deposited dose distribution in proton therapy. We test one of the imaging techniques - a coded mask approach - both experimentally and vi…
View article: Characterization of 150 μm thick silicon microstrip prototype for the FOOT experiment
Characterization of 150 μm thick silicon microstrip prototype for the FOOT experiment Open
The goals of the FOOT (FragmentatiOn Of Target) experiment are to measure the proton double differential fragmentation cross-section on H, C, O targets at beam energies of interest for hadrontherapy (50–250 MeV for protons and 50–400 MeV/u…
View article: Elemental fragmentation cross sections for a 16O beam of 400 MeV/u kinetic energy interacting with a graphite target using the FOOT ΔE-TOF detectors
Elemental fragmentation cross sections for a 16O beam of 400 MeV/u kinetic energy interacting with a graphite target using the FOOT ΔE-TOF detectors Open
The study of nuclear fragmentation plays a central role in many important applications: from the study of Particle Therapy (PT) up to radiation protection for space (RPS) missions and the design of shielding for nuclear reactors. The Fragm…
View article: Study of Prompt Gamma emission in $^{12}C (p, p' \gamma) C^{12}$ nuclear reactions close to a Bragg Peak
Study of Prompt Gamma emission in $^{12}C (p, p' \gamma) C^{12}$ nuclear reactions close to a Bragg Peak Open
Proton therapy is a high-quality radiation therapy which uses a proton beam to irradiate cancer tissue. The advantage of this type of treatment is a highly conformal dose deposition due to the presence of the Bragg peak. It is often requir…
View article: A systematic study of LYSO:Ce, LuAG:Ce and GAGG:Ce scintillating fibers properties
A systematic study of LYSO:Ce, LuAG:Ce and GAGG:Ce scintillating fibers properties Open
Properties of different scintillating fibers were examined and compared, as a part of the design optimization of the SiFi-CC detector, currently under development for proton therapy monitoring. Three scintillating materials were considered…
View article: Enhancing the understanding of fragmentation processes in hadrontherapy and radioprotection in space with the FOOT experiment
Enhancing the understanding of fragmentation processes in hadrontherapy and radioprotection in space with the FOOT experiment Open
During proton and carbon ions cancer treatment, nuclear interactions of the beam nuclei with the patient tissues always occur: the former leads to target fragmentation only, the latter to both projectile and target fragments production. In…
View article: Charge identification of fragments with the emulsion spectrometer of the FOOT experiment
Charge identification of fragments with the emulsion spectrometer of the FOOT experiment Open
The FOOT (FragmentatiOn Of Target) experiment is an international project designed to carry out the fragmentation cross-sectional measurements relevant for charged particle therapy (CPT), a technique based on the use of charged particle be…
View article: The FragmentatiOn Of Target Experiment (FOOT) and its DAQ system
The FragmentatiOn Of Target Experiment (FOOT) and its DAQ system Open
The FragmentatiOn Of Target (FOOT) experiment aims to provide precise nuclear cross-section measurements for two different fields: hadrontherapy and radio-protection in space. The main reason is the important role the nuclear fragmentation…
View article: Characterization and Simulation of an Adaptable Fan-Beam Collimator for Fast Calibration of Radiation Detectors for PET
Characterization and Simulation of an Adaptable Fan-Beam Collimator for Fast Calibration of Radiation Detectors for PET Open
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View article: Measurement of <sup>12</sup>C Fragmentation Cross Sections on C, O, and H in the Energy Range of Interest for Particle Therapy Applications
Measurement of <sup>12</sup>C Fragmentation Cross Sections on C, O, and H in the Energy Range of Interest for Particle Therapy Applications Open
In a carbon ion treatment the nuclear fragmentation of both target and beam projectiles impacts on the dose released on the tumor and on the surrounding healthy tissues. Carbon ion fragmentation occurring inside the patient body has to be …
View article: Performance of the ToF detectors in the foot experiment
Performance of the ToF detectors in the foot experiment Open
The FOOT (FragmentatiOn Of Target) experiment aims to determine the fragmentation cross-sections of nuclei of interest for particle therapy and radioprotection in space. The apparatus is composed of several detectors that allow fragment id…
View article: Characterisation of Components of a Scintillation-fiber-based Compton Camera
Characterisation of Components of a Scintillation-fiber-based Compton Camera Open
The next awaited breakthrough in proton therapy is the inclusion of the tools for online monitoring of beam range into clinical practice. Full, three-dimensional information on the deposited dose distribution can be obtained by means of pr…
View article: FOOT: a new experiment to measure nuclear fragmentation at intermediate energies
FOOT: a new experiment to measure nuclear fragmentation at intermediate energies Open
Charged particle therapy exploits proton or 12C beams to treat deep-seated solid
\ntumors. Due to the advantageous characteristics of charged particles energy deposition in matter,
\nthe maximum of the dose is released to the tumor at the …
View article: Ion charge separation with new generation of nuclear emulsion films
Ion charge separation with new generation of nuclear emulsion films Open
In hadron therapy, the accelerated ions, interacting with the body of the patient, cause the fragmentation of both projectile and target nuclei. The fragments interact with the human tissues depositing energy both in the entrance channel a…
View article: The FOOT (FragmentatiOn Of Target) experiment
The FOOT (FragmentatiOn Of Target) experiment Open
Particle therapy uses proton and ion beams to treat deep-seated solid tumors, exploiting the favorable energy deposition profile of charged particles. Nuclear interactions with patient tissues can induce fragments production that must be t…
View article: Experimental Verification of Key Cross Sections for Prompt-gamma Imaging in Proton Therapy
Experimental Verification of Key Cross Sections for Prompt-gamma Imaging in Proton Therapy Open
We present experimental investigation of cross sections for processes crucial in view of prompt-gamma imaging.The prompt-gamma rays were produced from an interaction of a proton beam with different phantom materials composed of carbon, oxy…