2015
Continuous MR bone density measurement using water- and fat-suppressed projection imaging (WASPI) for PET attenuation correction in PET-MR
Huang C, Ouyang J, Reese T, Wu Y, Fakhri G, Ackerman J. Continuous MR bone density measurement using water- and fat-suppressed projection imaging (WASPI) for PET attenuation correction in PET-MR. Physics In Medicine And Biology 2015, 60: n369-n381. PMID: 26405761, PMCID: PMC4607313, DOI: 10.1088/0031-9155/60/20/n369.Peer-Reviewed Original ResearchConceptsAttenuation correctionUltrashort echo timeMR-based attenuation correctionProjection imagesPET attenuation correctionMR attenuation correctionPET-MRPulse sequenceEcho timeDensity variationsPET imagingCorrectionBone density variationWASPIDensity measurementsAttenuation variationsPhantomMR sequencesLack of signalPulseAttenuation
2014
Electron cloud density measurements in accelerator beam-pipe using resonant microwave excitation
Sikora J, Carlson B, Duggins D, Hammond K, De Santis S, Tencate A. Electron cloud density measurements in accelerator beam-pipe using resonant microwave excitation. Nuclear Instruments And Methods In Physics Research Section A Accelerators Spectrometers Detectors And Associated Equipment 2014, 754: 28-35. DOI: 10.1016/j.nima.2014.03.063.Peer-Reviewed Original ResearchBeam-pipeElectron cloudPositively charged beamsResonant microwave excitationLow-energy electronsCloud densityAccelerated beamCharged beamsEnergy electronsMicrowave excitationImproved signal-to-noise ratioCoupling microwaveResonance techniquesElectronSignal-to-noise ratioResonant frequencyBeamElectron cloud densityMicrowaveDensityAccelerationDensity measurementsExcitationCloudNoise ratio
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