Latest in physics.ins-det

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A Coincidence Velocity Map Imaging Spectrometer for Ions and High-Energy Electrons to Study Inner-Shell Photoionization of Gas-Phase MoleculesApr 22 2019We report on the design and performance of a double-sided coincidence velocity map imaging spectrometer optimized for electron-ion and ion-ion coincidence experiments studying inner-shell photoionization of gas-phase molecules with soft X-ray synchrotron ... More
An inexpensive biasing system for use in electrostatic steering of ionsApr 22 2019We introduce a design for an electronic device capable of superposing 8 bias voltages up to $\pm$48V on a voltage of up to 1.5~kV. Such a device has been implemented to provide biasing of a beam steerer-shifter system for use in aligning an ion beam with ... More
Measurement of the $ν_μ$ charged-current cross sections on water, hydrocarbon, iron, and their ratios with the T2K on-axis detectorsApr 21 2019We report a measurement of the flux-integrated $\nu_{\mu}$ charged-current cross sections on water, hydrocarbon, and iron in the T2K on-axis neutrino beam with a mean neutrino energy of 1.5 GeV. The measured cross sections on water, hydrocarbon, and iron ... More
High-stability, high-voltage power supplies for use with multi-reflection time-of-flight mass spectrographsApr 21 2019Achieving the highest possible mass resolving power in a multi-reflection time-of-flight mass spectrometer requires very high-stability power supplies. To this end, we have developed a new high-voltage power supply that can achieve long-term stability ... More
One mask to rule them all: Writing arbitrary intensity distributions by scanning a single illuminated spatially-random screenApr 21 2019Arbitrary intensity distributions may be written by transversely scanning a single spatially-random screen that is normally illuminated by spatially but not necessarily temporally uniform radiation or matter wave fields. The arbitrariness, of the written ... More
GaAs as a bright cryogenic scintillator for the direct dark matter detectionApr 19 2019The optical and scintillation properties of undoped, Si-doped, and Si, B co-doped GaAs samples were studied. The light yield specification and X-ray luminescence of GaAs over a wide IR region by using Si and InGaAs photodetectors are presented. The undoped ... More
Smoothing of the slowly extracted coasting beam from a synchrotronApr 19 2019Slow extraction of beam from synchrotrons or storage rings as required by many fixed target experiments is performed by controlled excitation and feeding of a structural lattice resonance. Due to the sensitive nature of this resonant extraction process, ... More
The expectation of cosmic ray proton and helium energy spectrum below 4 PeV measured by LHAASOApr 19 2019Large High Altitude Air Shower Observatory(LHAASO) is a composite cosmic ray observatory consisting of three detector arrays: kilometer square array (KM2A) which includes the electromagnetic detector array and muon detector array, water Cherenkov detector ... More
Gravity surveys using a mobile atom interferometerApr 19 2019Mobile gravimetry is important in metrology, navigation, geodesy, and geophysics. Atomic gravimeters could be among the most accurate mobile gravimeters, but are currently constrained by being complex and fragile. Here, we demonstrate a mobile atomic ... More
FPGA-accelerated machine learning inference as a service for particle physics computingApr 18 2019Large-scale particle physics experiments face challenging demands for high-throughput computing resources both now and in the future. New heterogeneous computing paradigms on dedicated hardware with increased parallelization, such as Field Programmable ... More
Sub-GeV Dark Matter Searches and Electric Field Studies for the LUX and LZ ExperimentsApr 18 2019The nature of dark matter (DM) remains a mystery since it has so far eluded detection in the laboratory. To that end, the Large Underground Xenon (LUX) experiment was built to directly observe the interaction of DM with xenon target nuclei. LUX acquired ... More
Bootstrap Calibration of Inductive Voltage Dividers at InmetroApr 18 2019The Laboratory of Metrology in Electrical Standards of Inmetro (Lampe) has built, in 2010, a transformer which is able to perform inductive voltage divider ratio calibrations using the bootstrap method. This transformer was idealized according to the ... More
Stainless steel tank production and tests for the JSNS$^2$ neutrino detectorApr 18 2019This paper describes the design and the construction of the stainless steel tank of the JSNS$^2$ detector. The leakage was examined using water and gas after the construction. The new sealing technique with liquid gasket was developed, and its sealing ... More
The SAS Gamma-Ray SpectrometerApr 17 2019A new type of compact high-resolution gamma-ray spectrometer for short pulse intense gamma-rays has been developed by combining the principles of scintillators and attenuation spectrometers. The first prototype of this scintillator attenuation spectrometer ... More
Characterization of a triple-GEM position sensitive detector for X-ray fluorescence imagingApr 17 2019In this work we characterized a X-ray position sensitive gaseous detector based in a triple stack of gas electron multipliers (GEM). The readout circuit is divided in 256 strips for each dimension and using a resistive chain interconnecting the strips, ... More
Accelerating Neutron Scattering Data Collection and Experiments Using AI Deep Super-Resolution LearningApr 17 2019We present a novel methodology of augmenting the scattering data measured by small angle neutron scattering via an emerging deep convolutional neural network (CNN) that is widely used in artificial intelligence (AI). Data collection time is reduced by ... More
The Effect of Hole Ice on the Propagation and Detection of Light in IceCubeApr 17 2019IceCube is a neutrino observatory at Earth's South Pole that uses glacial ice as detector medium. Secondary particles from neutrino interactions produce Cherenkov light, which is detected by an array of photo detectors deployed within the ice. In distinction ... More
Design and Characterization of Plasmonic Doppler Grating for Azimuthal Angle-resolved Surface Plasmon ResonancesApr 17 2019We present two-dimensional plasmonic Doppler grating (PDG) for broadband azimuthal angle-resolved nanophotonic applications. The PDG consists of a set of non-concentric circular rings mimicking the wavefronts of a moving point source that exhibits Doppler ... More
Initial operation of the recoil mass spectrometer EMMA at the ISAC-II facility of TRIUMFApr 16 2019The Electromagnetic Mass Analyser (EMMA) is a new vacuum-mode recoil mass spectrometer currently undergoing the final stages of commissioning at the ISAC-II facility of TRIUMF. EMMA employs a symmetric configuration of electrostatic and magnetic deflectors ... More
A Multi-Layer SEU Mitigation Strategy to Improve FPGA Design Robustness for the ATLAS Muon Spectrometer UpgradeApr 16 2019We present a multi-layer single-event upset mitigation strategy implemented in a low-cost Xilinx Artix-7 FPGA. The implementation is targeted for a trigger data router for the ATLAS muon spectrometer upgrade. The mitigation strategy employs three layers ... More
Measurement of Individual Antineutrino Spectra from $\mathbf{^{235}U}$ and $\mathbf{^{239}Pu}$ at Daya BayApr 16 2019This letter reports a new measurement of the prompt energy spectrum of reactor antineutrinos and the first measurement of individual spectra from $^{235}$U and $^{239}$Pu at Daya Bay. The analysis uses 3.5 million inverse beta decay (IBD) candidates in ... More
Interferometric scattering enables fluorescence-free electrokinetic trapping of single nanoparticles in free solutionApr 15 2019Anti-Brownian traps confine single particles in free solution by closed-loop feedback forces that directly counteract Brownian motion. The extended-duration measurement of trapped objects allows detailed characterization of photophysical and transport ... More
Setting of the predefined multiplier gain of a photomultiplierApr 15 2019A method to set the predefined PMT gain with high precision is described. The method supposes minimal participation of the operator. After the rough initial setting of the gain, the automated system adjusts the PMT gain within a predefined precision (up ... More
An injectable dosimeter for small animal irradiationsApr 15 2019We have developed a novel in-vivo dosimeter based on glass encapsulated TLD rods. These encapsulated rods can be injected into mice and used for validating doses to an individual mouse in a protracted irradiation scenario where the mouse is free to move ... More
Analysis methods for highly radiation-damaged SiPMsApr 15 2019Prototype SiPMs with 4384 pixels of dimensions $15 \times 15~\mu $m$^2$ produced by KETEK have been irradiated with reactor neutrons to eight fluences between $10^9$ and $5\times 10^{14}$ cm$^{-2}$. For temperatures between $-30~^\circ $C and $+30~^\circ ... More
Neutrinoless double beta decay search with liquid scintillator experimentsApr 14 2019Liquid scintillator experiments for neutrinoless double beta decay search have high sensitivity based on the ultra low background environment and high scalability. This paper describes an overview of current ongoing projects KamLAND-Zen and SNO+.
Research and development in cylindrical triple-GEM detector with $μ$TPC readout for the BESIII experimentApr 13 2019The third generation of the Beijing Electron Spectrometer, BESIII, is an apparatus for high energy physics research. The hunting of new particles and the measurement of their properties or the research of rare processes are sought to understand if the ... More
Diffuser Research and Development for Optical Calibration Systems in Hyper-KamiokandeApr 12 2019Proposed as part of the next generation of water Cherenkov detectors, Hyper-Kamiokande will have a vastly improved potential in determining leptonic CP violation in neutrino oscillations. Well understood optical diffusers are needed as part of an integrated ... More
Xenon TPCs for Double Beta Decay SearchesApr 12 2019Xenon time projection chambers (TPCs) have become a well-established detection technology for neutrinoless double beta decay searches in $^{136}$Xe. I discuss the motivations for this choice. I describe the status and prospects of both liquid and gaseous ... More
Disentangling time-focusing from beam divergence: a novel approach for high-flux thermal neutron spectroscopy at continuous and long-pulse sourcesApr 12 2019We present the concept of a novel time-focusing technique for neutron spectrometers, which allows to disentangle time-focusing from beam divergence. The core of this approach is a double rotating-crystal monochromator that can be used to extract a larger ... More
Commissioning and operation of the Cherenkov detector for proton Flux Measurement of the UA9 ExperimentApr 12 2019The UA9 Experiment at CERN-SPS investigates channeling processes in bent silicon crystals with the aim to manipulate hadron beams. Monitoring and characterization of channeled beams in the high energy accelerators environment ideally requires in-vacuum ... More
A fast and parametric digitization for triple-GEM detectorsApr 12 2019Triple-GEM detectors are a well known technology in high energy physics. In order to have a complete understanding of their behavior, in parallel with on beam testing, a Monte Carlo code has to be developed to simulate their response to the passage of ... More
Characterization of SiPM Avalanche Triggering ProbabilitiesApr 11 2019Silicon Photo-Multipliers (SiPMs) are detectors sensitive to single photons that are used to detect scintillation and Cherenkov light in a variety of physics and medical-imaging applications. SiPMs measure single photons by amplifying the photo-generated ... More
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta DecayApr 11 2019The nature of the neutrino is one of the major open questions in experimental nuclear and particle physics. The most sensitive known method to establish the Majorana nature of the neutrino is detection of the ultra-rare process of neutrinoless double ... More
Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beamApr 11 2019The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolate high purity samples of $\nu_{e}$, $\nu_{\mu}$ and $\nu_{\tau}$ charged ... More
A Magnetic Field Camera for Real-Time Subsurface Imaging ApplicationsApr 11 2019We have constructed an imaging device that capable to show a spatio-temporal distribution of magnetic field intensity in real-time. The device employs a set of AMR (Anisotropic Magneto Resistance) 3-axis magnetometers, which are arranged into a two-dimensional ... More
ChAKRA : The high resolution charged particle detector array at VECCApr 11 2019A large 4$\pi$ array of charged particle detectors has been developed at Variable Energy Cyclotron Centre to facilitate high resolution charged particle reaction and spectroscopy studies by detecting event-by-event the charged reaction products emitted ... More
Novel Resistive-Plate WELL sampling element for (S)DHCALApr 11 2019Digital and Semi-Digital Hadronic Calorimeters (S)DHCAL were suggested for future Colliders as part of the particle-flow concept. Though studied mostly with RPC-based techniques, investigations have shown that MPGD-based sampling elements could outperform. ... More
Final results for the neutron $β$-asymmetry parameter $A_0$ from the UCNA experimentApr 10 2019The UCNA experiment was designed to measure the neutron $\beta$-asymmetry parameter $A_0$ using polarized ultracold neutrons (UCN). UCN produced via downscattering in solid deuterium were polarized via transport through a 7 T magnetic field, and then ... More
Maintaining high Q-factor of superconducting YBa$_2$Cu$_3$O$_{7-x}$ microwave cavity in a high magnetic fieldApr 10 2019A high Q-factor microwave resonator in a high magnetic field could be of great use in a wide range of fields, from accelerator design to axion dark matter search. The natural choice of material for the superconducting cavity to be placed in a high field ... More
Performance evaluation of the Boron Coated Straws detector with Geant4Apr 10 2019The last decade has witnessed the development of several alternative neutron detector technologies, as a consequence of upcoming neutron sources and upgrades, as well the world-wide shortage of $^3$He. One branch of development is the family of $^{10}$B-based ... More
Towards an Improved Test of the Standard Model's Most Precise PredictionApr 09 2019The electron and positron magnetic moments are the most precise prediction of the standard model of particle physics. The most accurate measurement of a property of an elementary particle has been made to test this result. A new experimental method is ... More
Gas $^3$He NMR Probe for Cryogenic EnvironmentsApr 09 2019Normal NMR probes cannot be used to make high frequency resolution measurements in a cryogenic environment because they lose their frequency resolution when the liquid sample in the probe freezes. A gaseous $^3$He NMR probe, designed and constructed to ... More
Inexpensive hetero-core spliced fiber optic setup for assessing strainApr 09 2019We report here a novel experimental scheme for the measurement of strain that utilizes a simple intensity based interrogation system, based on optical fibers. Corresponding to splicing of a multimode fiber between two single mode fibers, the transmittance ... More
Temperature scaling of reverse current generated in proton irradiated silicon bulkApr 09 2019The value of the scaling parameter $E_{\text{eff}}$ of the temperature dependence for current generated in silicon bulk is investigated for highly irradiated devices. Measurements of devices irradiated to fluences above $1 \times 10^{15} n_{\text{eq}} ... More
High-frequency, resonant acousto-optic modulators fabricated in a MEMS foundry platformApr 09 2019We report the design and characterization of high frequency, resonant acousto-optic modulators (AOM) in a MEMS foundry process. The doubly-resonant cavity design allows us to measure acousto-optic modulation at frequencies up to 3.5 GHz with high modulation ... More
High efficiency resonant-metasurface germanium photodetector with ultra-thin intrinsic layerApr 09 2019Photodetectors at telecommunications-band with high efficiency and high speed are becoming increasingly important as the booming of big data, 5G, internet of things, cloud computing, artificial intelligence and relevent applications. Silicon-based Germanium ... More
Cooling of a levitated nanoparticle with digital parametric feedbackApr 09 2019The motion control of a levitated nanoparticle plays a central role in optical levitation for fundamental studies and practical applications. Here, we presented a digital parametric feedback cooling based on switching between two trapping laser intensity ... More
The CUORE cryostat: a 10 mK infrastructure for large bolometric arraysApr 09 2019The CUORE experiment is the world's largest bolometric experiment. The detector consists of an array of 988 TeO 2 crystals, for a total mass of 742 kg. CUORE is presently in data taking at the Laboratori Nazionali del Gran Sasso, Italy, searching for ... More
Radiopurity of an archeological Roman Lead cryogenic detectorApr 08 2019Archeological Roman Pb is known to be a suitable material for shielding the experimental apparata in rare event searches. In the last years the intrinsic radiopurity of this material was investigated using different technologies. In this work we applied ... More
Pulse-shape discrimination potential of new scintillator material: Ce:La-GPSApr 07 2019Ce:(Gd,La)$_2$Si$_2$O$_7$ (Ce:La-GPS) is a new scintillator material with high light output, high energy resolution, and fast decay time. Moreover, the scintillator has a high temperature ($\sim$150$^\circ$C) tolerance and is non-hygroscopic in nature; ... More
Crystal Eye: a wide sight to the Universe looking for the electromagnetic counterpart of gravitational wavesApr 06 2019With the observation of the gravitational wave event of August 17th 2017 and then with those of the extragalactic neutrino of September 22nd, the multi messenger astronomy era has definitely begun. With the opening of this new panorama, it is necessary ... More
Gradient Magnet Design for Simultaneous Detection of Electrons and Positrons in the Intermediate MeV RangeApr 05 2019We report the design and development of a compact electron and positron spectrometer based on tapered Neodymium Iron Boron magnets. We show that the tapered design forms a gradient magnetic field component allowing energy dependent focusing of the dispersed ... More
Gradient Magnet Design for Simultaneous Detection of Electrons and Positrons in the Intermediate MeV RangeApr 05 2019Apr 08 2019We report the design and development of a compact electron and positron spectrometer based on tapered Neodymium Iron Boron magnets. We show that the tapered design forms a gradient magnetic field component allowing energy dependent focusing of the dispersed ... More
Design of a high power production target for the Beam Dump Facility at CERNApr 05 2019The Beam Dump Facility (BDF) project is a proposed general-purpose facility at CERN, dedicated to beam dump and fixed target experiments. In its initial phase, the facility is foreseen to be exploited by the Search for Hidden Particles (SHiP) experiment. ... More
The Innovative Design of the PANDA Barrel DIRCApr 05 2019The Barrel DIRC of the PANDA experiment at FAIR will cleanly separate pions from kaons for the physics program of PANDA. Innovative solutions for key components of the detector sitting in the strong magnetic field of the compact PANDA target spectrometer ... More
Temperature dependence of the probability of "small heating" and total losses of ucns on the surface of fomblin oils of different molecular massApr 05 2019We measured the temperature dependence of the probability of small heating and total losses of UCNs on the PFPE Fomblin Y surface with various molecular masses Mw=2800, 3300, 6500 amu in the temperature range of 100-300 K. The probability of small heating ... More
Electron extraction efficiency study for dual-phase xenon dark matter experimentsApr 05 2019Dual-phase xenon detectors are widely used in dark matter direct detection experiments, and have demonstrated the highest sensitivities to a variety of dark matter interactions. However, a key component of the dual-phase detector technology--the efficiency ... More
Recent results of the technological prototypes of the CALICE highly granular calorimetersApr 04 2019The CALICE Collaboration is conducting R\&D for highly granular calorimeters with an emphasis on detectors for Linear Colliders. This contribution briefly summarises recent tests of large scale technological prototypes of a silicon tungsten electromagnetic ... More
Development of a 3-D energy-momentum analyzer for meV-scale energy electronsApr 04 2019In this article, we report on the development of a time-of-flight based electron energy analyzer capable of measuring the 3-D momentum and energy distributions of very low energy (meV-scale) photoemitted electrons. This analyzer is capable of measuring ... More
Analysis of ring laser gyroscopes including laser dynamicsApr 04 2019Inertial sensors stimulate very large interest, not only for their application but also for fundamental physics tests. Ring laser gyros, which measure angular rotation rate, are certainly among the most sensitive inertial sensors, with excellent dynamic ... More
Measurement of the Gamma Ray Background in the Davis Cavern at the Sanford Underground Research FacilityApr 03 2019Deep underground environments are ideal for low background searches due to the attenuation of cosmic rays by passage through the earth. However, they are affected by backgrounds from $\gamma$-rays emitted by $^{40}$K and the $^{238}$U and $^{232}$Th decay ... More
Inverse Low Gain Avalanche Detectors (iLGADs) for precise tracking and timing applicationsApr 03 2019Low Gain Avalanche Detector (LGAD) is the baseline sensing technology of the recently proposed Minimum Ionizing Particle (MIP) end-cap timing detectors (MTD) at the Atlas and CMS experiments. The current MTD sensor is designed as a multi-pad matrix detector ... More
Development of Spherical Proportional Counter for light WIMP search within NEWS-G collaborationApr 03 2019The Spherical gaseous detector (or Spherical Proportional Counter, SPC) has a broad range of applications. In this work, we will focus on the light WIMP Dark Matter particle search, that is, below a few GeV. The NEWS-G collaboration operates a 60 cm diameter ... More
Spurious Ferromagnetic Remanence Detected by Hybrid MagnetometerApr 03 2019Nuclear magnetic resonance detection in ultra low field regime enables the measurement of different components of a spurious remanence in the polymeric material constituting the sample container. A differential atomic magnetometer detects simultaneously ... More
The short wavelength instrument for the polarization explorer balloon-borne experiment: Polarization modulation issuesApr 03 2019In this paper we investigate the impact of using a polarization modulator in the Short Wavelenght Instrument for the Polarization Explorer (SWIPE) of the Large Scale Polarization Explorer (LSPE). The experiment is optimized to measure the linear polarization ... More
Kinetic Inductance Detectors and readout electronics for the OLIMPO experimentApr 03 2019Kinetic Inductance Detectors (KIDs) are superconductive low$-$temperature detectors useful for astrophysics and particle physics. We have developed arrays of lumped elements KIDs (LEKIDs) sensitive to microwave photons, optimized for the four horn-coupled ... More
Front-end ASIC for Spectroscopic Readout of Virtual Frisch-Grid CZT Bar SensorsApr 02 2019Compact multi-channel radiation detectors rely on low noise front-end application specific integrated circuits (ASICs) to achieve high spectral resolution. Here, a new ASIC developed to readout virtual Frisch-grid cadmium zinc telluride (VFG CZT) detectors ... More
Shape Memory Polymer Resonators as Highly Sensitive Uncooled Infrared DetectorsApr 02 2019Uncooled InfraRed (IR) detectors have enabled the rapid growth of thermal imaging applications. These detectors are predominantly bolometers, where the heating of pixel from incoming IR radiation is read out as a resistance change. Another uncooled sensing ... More
A 2D scintillator based proton detector for HRR experimentsApr 02 2019We present a scintillator based detector able to measure both spatial and energy information at High repetition rate (HRR) with a relatively simple design. It has been built at the Center of Pulsed Laser (CLPU) in Salamanca and tested in the proton accelerator ... More
Characterization of the Si(Li) detector for Monte Carlo calculations of beta spectraApr 02 2019A precise model of a Si(Li) detector ORTEC model SLP-06165P-OPT-0.5 was created for beta spectra calculations using the Monte Carlo (MC) code MCNPX. Detector parameters were determined from X-ray radiograms obtained with a film and a Timepix detector. ... More
Simulated neutrino signals of low and intermediate energy neutrinos on Cd detectorsApr 01 2019Neutrino-nucleus reactions cross sections, obtained for neutrino energies in the range $\varepsilon_{\nu}\leq 100-120$ MeV (low- and intermediate-energy range), which refer to promising neutrino detection targets of current terrestrial neutrino experiments, ... More
SiPMs for cryogenic temperatureApr 01 2019The DarkSide-20k collaboration is preparing to equip 20 m^2 of SiPMs working in liquid argon at 86 K for the direct search of WIMPs. The collaboration had to solve many technological aspects, such as the development of SiPM optimized for operation in ... More
New detector concept with neutron interaction localization capabilitiesMar 31 2019A new high precision time of flight neutron detector concept for beta-delayed neutron emission and direct reaction studies is proposed. The Neutron dEtector with Xn Tracking (NEXT) array aims to maintain high instrinsic neutron detection efficiency while ... More
New detector concept with neutron interaction localization capabilitiesMar 31 2019Apr 06 2019A new high precision time of flight neutron detector concept for beta-delayed neutron emission and direct reaction studies is proposed. The Neutron dEtector with Xn Tracking (NEXT) array aims to maintain high intrinsic neutron detection efficiency while ... More
Multi-site Event Discrimination in Large Liquid Scintillation DetectorsMar 31 2019Simulation studies have been carried out to explore the ability to discriminate between single-site and multi-site energy depositions in large scale liquid scintillation detectors. A robust approach has been found that is predicted to lead to a significant ... More
Dynamics from elastic neutron-scattering via direct measurement of the running time-integral of the van Hove distribution functionMar 30 2019We present a new neutron-scattering approach to access the van Hove distribution function directly in the time domain, I(t), which reflects the system dynamics. Currently, I(t) is always determined from neutron energy-exchange. Our method consists of ... More
Modular transmission line probes for microfluidic nuclear magnetic resonance spectroscopy and imagingMar 30 2019Microfluidic NMR spectroscopy can probe chemical and bio-chemical processes non-invasively in a tightly controlled environment. We present a dual-channel modular probe assembly for high efficiency microfluidic NMR spectroscopy and imaging. It is compatible ... More
The Narrow-beam Diffuser Subsystem of a Prototype Optical Calibration System for the Hyper-Kamiokande DetectorMar 30 2019The Hyper-Kamiokande neutrino detector is set to begin construction in 2020, succeeding Super-Kamiokande as the world's largest water Cerenkov detector. Research and development are well underway for an integrated light injection system for Hyper-Kamiokande ... More
Extending SAXS instrument ranges through addition of a portable, inexpensive USAXS moduleMar 29 2019Ultra-SAXS can enhance the capabilities of existing SAXS/WAXS beamlines and laboratory instruments. A compact Ultra-SAXS module has been developed, which extends the measurable $q$-range with $0.0015 \leq q\mathrm{(nm^{-1})} \leq 0.2$, allowing structural ... More
Broadband vibrational sum-frequency generation spectrometer at 100 kHz in the 950-1750 cm$^{-1}$ spectral range utilizing a LiGaS$_{2}$ optical parametric amplifierMar 29 2019We present a 100 kHz broadband vibrational sum-frequency generation (VSFG) spectrometer operating in the 5.5-10.5 $\mu$m (950-1750 cm$^{-1}$) wavelength range. The mid-infrared beam of the system is obtained from a collinear, type-I LiGaS$_{2}$ crystal ... More
PMT choices for large detectorsMar 29 2019Photomultiplier tubes (PMTs) are widely used in neutrino and other experiments for the detection of weak light. To date PMTs are the most sensitive single photon detector per unit area. In addition to the quantum efficiency for photon detection, there ... More
Ionization parameters of Trimethylbismuth for high-energy photon detectionMar 29 2019CaLIPSO is an innovative photon detector concept designed for high precision brain PET imaging. For the first time, liquid trimethylbismuth is used as sensitive medium. The detector operates as a time-projection chamber and detects both Cherenkov light ... More
Results on Proton-Irradiated 3D Pixel Sensors Interconnected to RD53A Readout ASICMar 29 2019Test beam results obtained with 3D pixel sensors bump-bonded to the RD53A prototype readout ASIC are reported. Sensors from FBK (Italy) and IMB-CNM (Spain) have been tested before and after proton-irradiation to an equivalent fluence of about $1$ $\times$ ... More
Improved Measurements of the \b{eta}-Decay Response of Liquid Xenon with the LUX DetectorMar 29 2019We report results from an extensive set of measurements of the \b{eta}-decay response in liquid xenon.These measurements are derived from high-statistics calibration data from injected sources of both $^{3}$H and $^{14}$C in the LUX detector. The mean ... More
Ionoacoustic detection of swift heavy ionsMar 28 2019The maximum energy loss (Bragg peak) located near the end of range is a characteristic feature of ion stopping in matter, which generates an acoustic pulse, if ions are deposited into a medium in adequately short bunches. This so-called ionoacoustic effect ... More
Measuring the Neutron Distribution from Coherent Elastic Neutrino Nucleus ScatteringMar 28 2019Last year the COHERENT collaboration was able to measure for the first time the Coherent Elastic Neutrino Nucleus Scattering (CE$\nu$NS). Neutrinos within the right energy range can be produced in large quantities at accelerator facilities via pion Decay ... More
First Operation of a Resistive Shell Liquid Argon Time Projection Chamber -- A new Approach to Electric-Field ShapingMar 28 2019We present a new technology for the shaping of the electric field in Time Projection Chambers (TPCs) using a carbon-loaded polyimide foil. This technology allows for the minimisation of passive material near the active volume of the TPC and thus is capable ... More
First Operation of a Resistive Shell Liquid Argon Time Projection Chamber -- A new Approach to Electric-Field ShapingMar 28 2019Mar 29 2019We present a new technology for the shaping of the electric field in Time Projection Chambers (TPCs) using a carbon-loaded polyimide foil. This technology allows for the minimisation of passive material near the active volume of the TPC and thus is capable ... More
Commissioning the SoLid Detector Using Cosmic Ray MuonsMar 28 2019The SoLid detector was constructed during 2017 and started to take data in December 2017. Commissioning a new detector implies defining and understanding a whole set of new variables. On the one hand the environmental conditions are followed, and on the ... More
Commissioning the SoLid Detector Using Cosmic Ray MuonsMar 28 2019Apr 08 2019The SoLid detector was constructed during 2017 and started to take data in December 2017. Commissioning a new detector implies defining and understanding a whole set of new variables. On the one hand the environmental conditions are followed, and on the ... More
Cherenkov Detectors Fast Simulation Using Neural NetworksMar 28 2019We propose a way to simulate Cherenkov detector response using a generative adversarial neural network to bypass low-level details. This network is trained to reproduce high level features of the simulated detector events based on input observables of ... More
SANDD: A highly-segmented pulse-shape-sensitive plastic scintillator detector incorporating silicon photomultiplier arraysMar 27 2019We have studied the key metrics of a prototype antineutrino detector module designed for directional sensitivity. SANDD (a Segmented AntiNeutrino Directional Detector) will eventually comprise a central module of 64 elongated segments of $^{6}$Li-doped ... More
Cerium-Doped Fused-Silica Fibers as Wavelength ShiftersMar 27 2019We have evaluated the performance of a Ce-doped fused-silica fiber as wavelength shifter coupled to a CeF$_{3}$ crystal using electron beams at CERN. The pulse shape and collection efficiency were measured using irradiated (100 kGy) and un-irradiated ... More
The ENUBET narrow band neutrino beamMar 27 2019The narrow band beam of ENUBET is the first implementation of the "monitored neutrino beam" technique proposed in 2015. ENUBET has been designed to monitor lepton production in the decay tunnel of neutrino beams and to provide a 1% measurement of the ... More
Ultra-sensitive Single-beam Atom-optical Magnetometer using Weak Measurement MethodMar 27 2019Ultra-sensitive measurement of the magneto-optical rotation, due to interaction of linearly-polarized light passing through room-temperature Rb 85 atoms, in response to change in longitudinal magnetic field (\delta B_z ) is demonstrated using the weak ... More
Measurement of the Newtonian Constant of Gravitation by Precision Displacement SensorsMar 27 2019Newtonian constant of gravitation $G$ has relative uncertainty larger than other fundamental constants with some discrepancies in values between different measurements. We report a new scheme to measure $G$ by detecting the position of test masses in ... More
The micro-RWELL layouts for high particle rateMar 26 2019The $\mu$-RWELL is a single-amplification stage resistive Micro-Pattern Gaseous Detector (MPGD). The detector amplification element is realized with a single copper-clad polyimide foil micro-patterned with a blind hole (well) matrix and embedded in the ... More
DPTC -- an FPGA-based trace compressionMar 26 2019Recording of flash-ADC traces is challenging from both the transmission bandwidth and storage cost perspectives. This paper presents a configuration-free lossless compression algorithm which addresses both limitations, by compressing the data on-the-fly ... More
Scintillation Balloon for Neutrinoless Double-Beta Decay Search with Liquid Scintillator DetectorsMar 26 2019Environmental radioactivity is a dominant background for rare decay search experiments, and it is difficult to completely remove such an impurity from detector vessels. We propose a scintillation balloon as the active vessel of a liquid scintillator in ... More