2021
Monte Carlo simulation of pixelated CZT detector with Geant4: validation of clinical molecular breast imaging system
Lopez BP, Guan F, Rauch GM, Kappadath SC. Monte Carlo simulation of pixelated CZT detector with Geant4: validation of clinical molecular breast imaging system. Physics In Medicine And Biology 2021, 66: 125009. PMID: 34038878, DOI: 10.1088/1361-6560/ac0588.Peer-Reviewed Original ResearchConceptsCharge transportPerformance characteristicsCZT detectorsModel parametersTwo-step processBreast imaging systemOverall energy spectrumMonte Carlo simulation applicationsSpatial resolutionAirBreast phantomGood agreementMATLAB scriptImaging systemResponse model parametersSimulation applicationsSimulationsEnergy spectrumMonte Carlo simulationsTc pointFinal model parametersTelluride detectorSource geometryStandard performance characteristicsFWHM
2019
Using the Proton Energy Spectrum and Microdosimetry to Model Proton Relative Biological Effectiveness
Newpower M, Patel D, Bronk L, Guan F, Chaudhary P, McMahon SJ, Prise KM, Schettino G, Grosshans DR, Mohan R. Using the Proton Energy Spectrum and Microdosimetry to Model Proton Relative Biological Effectiveness. International Journal Of Radiation Oncology • Biology • Physics 2019, 104: 316-324. PMID: 30731186, PMCID: PMC6499683, DOI: 10.1016/j.ijrobp.2019.01.094.Peer-Reviewed Original ResearchConceptsProton energy spectraMicrodosimetric kinetic modelDose-mean lineal energyRelative biological effectivenessProton irradiation experimentsEnergy spectrumLineal energyLineal energy yIrradiation experimentsLineal energy distributionsDose-averaged linear energy transferBiological effectivenessDifferent proton energiesLinear energy transferRBE modelsProton energyBragg curveEnergy distributionGeant4-DNAProton irradiationRBE data
2016
Analysis of the relationship between neutron dose and Cerenkov photons under neutron irradiation through Monte Carlo method
Shu D, Tang X, Guan F, Geng C, Yu H, Gong C, Zhang X, Chen D. Analysis of the relationship between neutron dose and Cerenkov photons under neutron irradiation through Monte Carlo method. Radiation Measurements 2016, 93: 35-40. DOI: 10.1016/j.radmeas.2016.07.001.Peer-Reviewed Original ResearchCerenkov photonsTotal neutron doseNeutron doseWater phantomCerenkov threshold energyNeutron beam energyNeutron dose measurementsNeutron energy spectrumMonte Carlo toolkitCerenkov radiationSecondary electronsBeam energyNeutron energyThreshold energyEnergy spectrumMonoenergetic neutronsPhotonsDose measurementsMonte Carlo methodNeutron irradiationNeutronsCarlo methodEnergyCentral axisPhantomMonte Carlo simulations of 3He ion physical characteristics in a water phantom and evaluation of radiobiological effectiveness
Taleei R, Guan F, Peeler C, Bronk L, Patel D, Mirkovic D, Grosshans DR, Mohan R, Titt U. Monte Carlo simulations of 3He ion physical characteristics in a water phantom and evaluation of radiobiological effectiveness. Medical Physics 2016, 43: 761-776. PMID: 26843239, DOI: 10.1118/1.4939440.Peer-Reviewed Original ResearchConceptsMonte Carlo codeEnergy depositionCarlo codeLineal energyEnergy distributionRadiation beam qualitiesSecondary particle productionDifferent Monte Carlo codesDepth dose curvesPrimary beam parametersGaussian energy distributionMonte Carlo systemHelium ionsBeam qualityMicrodosimetric parametersMonte Carlo methodBeam parametersEnergy spectrumIncident beamBragg curveRadiobiological effectivenessBragg peakHalf maximumProton doseFull width
2014
TH‐A‐19A‐05: Modeling Physics Properties and Biologic Effects Induced by Proton and Helium Ions
Taleei R, Titt U, Peeler C, Guan F, Mirkovic D, Grosshans D, Mohan R. TH‐A‐19A‐05: Modeling Physics Properties and Biologic Effects Induced by Proton and Helium Ions. Medical Physics 2014, 41: 534-534. DOI: 10.1118/1.4889538.Peer-Reviewed Original ResearchMonte Carlo codeFragmentation cross sectionsHelium ionsBragg peakCarlo codeCross sectionsGeneral purpose Monte Carlo codeLight ionsMicrodosimetric parametersProton beamEnergy spectrumCarbon ionsBragg curveDepth dosePhysics propertiesWater phantomPhysical propertiesRBE increasesProtonsMonte Carlo simulationsDose distributionFLUKABeamIonsCurve calculations