Search Results - "Moutinho, L.M."
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Secondary scintillation yield of xenon with sub-percent levels of CO2 additive for rare-event detection
Published in Physics letters. B (10-10-2017)“…Xe–CO2 mixtures are important alternatives to pure xenon in Time Projection Chambers (TPC) based on secondary scintillation (electroluminescence) signal…”
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Microscopic simulation of xenon-based optical TPCs in the presence of molecular additives
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-01-2018)“…We introduce a simulation framework for the transport of high and low energy electrons in xenon-based optical time projection chambers (OTPCs). The simulation…”
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Implementation of an in-vivo dosimetry system for VMAT
Published in Physica medica (01-12-2021)Get full text
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OD151 - Implementation of an in-vivo dosimetry system for VMAT
Published in Physica medica (01-12-2021)Get full text
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Sensitivity of NEXT-100 to neutrinoless double beta decay
Published in The journal of high energy physics (26-05-2016)“…A bstract NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta (0 νββ ) decay of…”
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EP-2247: In vivo dosimetry in APBI brachytherapy
Published in Radiotherapy and oncology (01-04-2018)Get full text
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Helium–Xenon mixtures to improve the topological signature in high pressure gas xenon TPCs
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2018)“…Within the framework of xenon-based double beta decay experiments, we propose the possibility to improve the background rejection of an electroluminescent Time…”
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easyPET: a novel concept for an affordable tomographic system
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-02-2017)“…The easyPET concept described here aims to reduce complexity and cost of preclinical Positron Emission Tomography (PET) scanners. The system, original in its…”
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Study of the loss of xenon scintillation in xenon-trimethylamine mixtures
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2018)“…This work investigates the capability of TMA ((CH3)3N) molecules to shift the wavelength of Xe VUV emission (160–188 nm) to a longer, more manageable,…”
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Development of a scintillating optical fiber dosimeter with silicon photomultipliers
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (2014)“…A radiation dosimeter for low dose rates based on a scintillating optical fiber coupled to a high gain photon-counting silicon photomultiplier (SiPM) for light…”
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Ionization and scintillation of nuclear recoils in gaseous xenon
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2015)“…Ionization and scintillation produced by nuclear recoils in gaseous xenon at approximately 14bar have been simultaneously observed in an electroluminescent…”
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Development of a light readout based on silicon photomultipliers for a wavelength-shifting fibre gamma camera
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2012)“…The concept of wavelength-shifting fibre gamma camera has been previously introduced by Soares et al. (1999), consisting of a scintillation crystal covered in…”
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Results of the material screening program of the NEXT experiment
Published in Nuclear and particle physics proceedings (01-04-2016)“…The Neutrino Experiment with a Xenon TPC (NEXT), intended to investigate neutrinoless double beta decay, requires extremely low background levels. An extensive…”
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Accurate γ and MeV-electron track reconstruction with an ultra-low diffusion Xenon/TMA TPC at 10atm
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-12-2015)“…We report the performance of a 10atm Xenon/trimethylamine time projection chamber (TPC) for the detection of X-rays (30keV) and γ-rays (0.511–1.275MeV) in…”
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Near-intrinsic energy resolution for 30–662keV gamma rays in a high pressure xenon electroluminescent TPC
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-04-2013)“…We present the design, data and results from the NEXT prototype for Double Beta and Dark Matter (NEXT-DBDM) detector, a high-pressure gaseous natural xenon…”
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