Latest in physics.ins-det

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The application of muon tomography to the imaging of railway tunnelsJun 13 2019Cosmic Ray Muon Radiography utilizes highly-penetrating cosmic ray muons to image the density profile of an object of interest. Here we report on the first trial to use a portable field-deployable cosmic ray tracking system in order to image the whole ... More
Developing a mass-production model of large-area Si(Li) detectors with high operating temperaturesJun 13 2019This study presents a fabrication process for lithium-drifted silicon (Si(Li)) detectors that, compared to previous methods, allows for mass production at a higher yield, while providing a large sensitive area and low leakage currents at relatively high ... More
Measuring the Gain of a Micro-Channel Plate/Phosphor Assembly Using a Convolutional Neural NetworkJun 13 2019This paper presents a technique to measure the gain of a single-plate micro-channel plate (MCP)/phosphor assembly by using a convolutional neural network to analyse images of the phosphor screen, recorded by a charge coupled device. The neural network ... More
Conversion Coefficients from Kerma to Ambient Dose and Personal Dose for X-Ray SpectraJun 12 2019In radiation protection, the protection quantity for whole-body exposure is effective dose $E$. Effective dose cannot be measured and operational quantities have been introduced for dose measurement and calibration of dosimeters and survey instruments. ... More
Dead time effects in laser Doppler anemometry measurementsJun 12 2019We present velocity power spectra computed by the so-called direct method from burst type laser Doppler anemometer (LDA) data, both measured in a turbulent round jet and generated in a computer. Using today's powerful computers we have been able to study ... More
Nanowire single-photon detectors made of atomic layer-deposited niobium nitrideJun 12 2019We demonstrate and characterize first superconducting nanowire single-photon detectors (SNSPDs) made from atomic layer-deposited (ALD) NbN layers. To assess the suitability of these films as a detector material, transport properties of bare films and ... More
Final result of CUPID-0 phase-I in the search for the $^{82}$Se Neutrinoless Double Beta DecayJun 12 2019CUPID-0 is the first pilot experiment of CUPID, a next-generation project for the measurement of neutrinoless double beta decay (0$\nu$DBD) with scintillating bolometers. The detector, consisting of 24 enriched and 2 natural ZnSe crystals, has been taking ... More
Phase-Noise and Amplitude-Noise Measurement of DACs and DDSsJun 12 2019This article proposes a method for the measurement of Phase Noise (PN, or PM noise) and Amplitude Noise (AN, or AM noise) of Digital-to-Analog Converters (DAC) and Direct Digital Synthesizers (DDS) based on modulation-index amplification. The carrier ... More
Search for Highly Ionizing Particles with the Pixel Detector at Belle IIJun 12 2019The Belle II experiment, located at the SuperKEKB collider at the high-energy research facility KEK in Tsukuba, Japan, started operation in 2018. Compared to the predecessor experiment Belle, Belle II plans to increase the peak luminosity by a factor ... More
Primer on Detectors and Electronics for Particle Physics ExperimentsJun 11 2019This primer is a brief introduction to the technologies used in particle detectors designed for high-energy particle physics experiments. The intended readers are students, especially undergraduates, starting laboratory work.
XENON1T Dark Matter Data Analysis: Signal Reconstruction, Calibration and Event SelectionJun 11 2019The XENON1T experiment at the Laboratori Nazionali del Gran Sasso is the most sensitive direct detection experiment for dark matter in the form of weakly interacting particles (WIMPs) with masses above $6\,$GeV/$c^2$ scattering off nuclei. The detector ... More
Modeling emission of acoustic energy during bubble expansion in PICO bubble chambersJun 11 2019The PICO experiment uses bubble chambers filled with superheated C$_3$F$_8$ for spin-dependent WIMP dark matter searches. One of the main sources of background in these detectors is alpha particles from decays of environmental $^{222}\mathrm{Rn}$, which ... More
A project of advanced solid-state neutron polarizer for PF1B instrument at ILLJun 11 2019Among Super-Mirror (SM) polarizers, solid-state devices have many advantages. The most relevant is 5-10 times smaller length compared to air-gap polarizers allowing to apply stronger magnetic fields. An important condition for a good SM polarizer is the ... More
Set-up for multi coincidence experiments of EUV to VIS photons and charged particles -- the solid angle maximization approachJun 11 2019The coincident detection of particles is a powerful method in experimental physics, enabling the investigation of a variety of projectile-target interactions. The vast majority of coincidence experiments is performed with charged particles, as they can ... More
NoMoS: An $R \times B$ Drift Momentum Spectrometer for Beta Decay StudiesJun 11 2019The beta decay of the free neutron provides several probes to test the Standard Model of particle physics as well as to search for extensions thereof. Hence, multiple experiments investigating the decay have already been performed, are under way or are ... More
Electroluminescence Yield in low-diffusion Xe-He gas mixturesJun 10 2019High pressure xenon Time Projection Chambers based on secondary scintillation, electroluminescence, signal amplification are being proposed for rare event detection such as directional dark matter, double electron capture and double beta decay detection. ... More
Atmospheric muons as an imaging toolJun 10 2019Imaging methods based on the absorption or scattering of atmospheric muons, collectively named under the neologism "muography", exploit the abundant natural flux of muons produced from cosmic-ray interactions in the atmosphere. Recent years have seen ... More
Fast neutron spectroscopy from 1 MeV up to 15 MeV with Mimac-FastN, a mobile and directional fast neutron spectrometerJun 10 2019In the frame of direct dark matter search, the fast neutrons producing elastic collisions are the ultimate background. The MIMAC (MIcro-tpc MAtrix Chambers) project has developed a directional detector providing the directional signature to discriminate ... More
Source Shot Noise Mitigation in Focused Ion Beam Microscopy by Time-Resolved MeasurementJun 07 2019Focused ion beam (FIB) microscopy suffers from source shot noise - random variation in the number of incident ions in any fixed dwell time - along with random variation in the number of detected secondary electrons per incident ion. This multiplicity ... More
Characterizing atomic magnetic gradiometers for fetal magnetocardiographyJun 07 2019Atomic magnetometers (AMs) offer many advantages over superconducting quantum interference devices (SQUIDs) due to, among other things, having comparable sensitivity while not requiring cryogenics. One of the major limitations of AMs is the challenge ... More
Space-Charge effect in electron time-of-flight analyzer for high-energy photoemission spectroscopyJun 07 2019The space-charge effect, due to the instantaneous emission of many electrons after the absorption of a single photons pulse, causes distortion in the photoelectron energy spectrum. Two calculation methods have been applied to simulate the expansion during ... More
GINGERJun 07 2019GINGER (Gyroscopes IN GEneral Relativity), based on an array of large dimension ring laser gyroscopes, is aiming at measuring in a ground laboratory the gravito-electric and gravito-magnetic effects (also known as De Sitter and Lense-Thirrings effect), ... More
Standardized spectral and radiometric calibration of consumer camerasJun 07 2019Consumer cameras, particularly onboard smartphones and UAVs, are now commonly used as scientific instruments. However, their data processing pipelines are not optimized for quantitative radiometry and their calibration is more complex than that of scientific ... More
Zeeman-tunable Modulation Transfer SpectroscopyJun 07 2019Active frequency stabilization of a laser to an atomic or molecular resonance underpins many modern-day AMO physics experiments. With a flat background and high signal-to-noise ratio, modulation transfer spectroscopy (MTS) offers an accurate and stable ... More
Dependence of atmospheric muon rate on seawater depth measured with the first KM3NeT detection unitsJun 06 2019KM3NeT is a research infrastructure located in the Mediterranean Sea, that will consist of two deep-sea Cherenkov neutrino detectors. With one detector (ARCA), the KM3NeT Collaboration aims at identifying and studying TeV-PeV astrophysical neutrino sources. ... More
Quantum random number generation by coherent detection of phase noiseJun 06 2019We demonstrate a quantum random number generator based on the random nature of the phase difference between two independent laser sources. The speed of random bit generation is determined by the photodetector bandwidth and the linewidth of the lasers ... More
Real-time free-running time scale with remote clocks on fiber-based frequency networkJun 06 2019In this paper, we propose a real-time free-running time scale based on four remote hydrogen masers. The clocks in the ensemble were scattered around Beijing, connected by urban fiber links using a novel frequency synchronization system. The remote clock ... More
Design of electrostatic phase elements for sorting the orbital angular momentum of electronsJun 05 2019The orbital angular momentum (OAM) sorter is a new electron optical device for measuring an electron s OAM. It is based on two phase elements, which are referred to as the unwrapper and corrector and are placed in Fourier conjugate planes in an electron ... More
High-precision characterization of the neutron light output of stilbene along the directions of maximum and minimum responseJun 05 2019The scintillation light output response of stilbene crystals has been measured for protons recoiling along the \textit{a}, \textit{b}, and \textit{c'} crystalline axes with energies between 1.3 and 10 MeV using neutrons produced with the tandem Van de ... More
Calibration of free-space and fiber-coupled single-photon detectorsJun 05 2019We measure the detection efficiency of single-photon detectors at wavelengths near 851 nm and 1533.6 nm. We investigate the spatial uniformity of one free-space-coupled single-photon avalanche diode and present a comparison between fusion-spliced and ... More
Parallelized Kalman-Filter-Based Reconstruction of Particle Tracks on Many-Core Architectures with the CMS DetectorJun 05 2019In the High-Luminosity Large Hadron Collider (HL-LHC), one of the most challenging computational problems is expected to be finding and fitting charged-particle tracks during event reconstruction. The methods currently in use at the LHC are based on the ... More
Exploring low-energy neutrino physics with the Coherent Neutrino Nucleus Interaction Experiment (CONNIE)Jun 05 2019The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) uses low-noise fully depleted charge-coupled devices (CCDs) with the goal of measuring low-energy recoils from coherent elastic scattering (CE$\nu$NS) of reactor antineutrinos with silicon ... More
Intrinsically-limited timing jitter in molybdenum silicide superconducting nanowire single-photon detectorsJun 05 2019Recent progress in the development of superconducting nanowire single-photon detectors (SNSPDs) has delivered excellent performances, and has had a great impact on a range of research fields. The timing jitter, which denotes the temporal resolution of ... More
Nuclear Reactor Monitoring with Gadolinium-Loaded Plastic Scintillator ModulesJun 05 2019In this study, simulation-based design and optimization studies of a gadolinium loaded segmented plastic scintillator detector are presented for monitoring applications of nuclear reactors in Turkey using antineutrinos. For the first time in the literature, ... More
Muon reconstruction with a geometrical model in JUNOJun 05 2019The Jiangmen Neutrino Underground Observatory (JUNO) is a 20$\,$kton liquid scintillator detector currently under construction near Kaiping in China. The physics program focuses on the determination of the neutrino mass hierarchy with reactor anti-neutrinos. ... More
Status and prospects of the NEXT experiment for neutrinoless double beta decay searchesJun 04 2019NEXT (Neutrino Experiment with a Xenon TPC) is an experimental program whose goals are to discover neutrinoless double beta decay using $^{136}$Xe in high pressure xenon TPCs with electroluminescent readout. In this paper, results from the NEXT-White ... More
Status of Light Sterile Neutrino SearchesJun 04 2019A number of anomalous results in short-baseline oscillation may hint at the existence of one or more light sterile neutrino states in the eV mass range and have triggered a wave of new experimental efforts to search for a definite signature of oscillations ... More
Simple precision measurements of optical beam sizesJun 04 2019We present a simple precision-method to quickly and accurately measure the diameters of Gaussian beams, Airy spots, and central peak of Bessel beams ranging from the sub-millimeter to many centimeters without specialized equipment. Simply moving a wire ... More
Measurement of the Optical Turbulence Produced by a Multirotor Unmanned Aerial VehicleJun 04 2019At present, new approaches for the use of Multirotor Unmanned Aerial Vehicle or multirotor drones in high precision optical applications are rising. However, the optical turbulence effects generated by multirotor drones are not entirely understood. These ... More
A semiconductor-based neutron detection system for planetary explorationJun 04 2019We explore the use of microstructured semiconductor neutron detectors (MSNDs) to map the ratio between thermal neutrons and higher energy neutrons. The system consists of alternating layers of modular neutron detectors (MNDs), each comprising arrays of ... More
First Results on the Search for Chameleons with the KWISP Detector at CASTJun 03 2019We report on a first measurement with a sensitive opto-mechanical force sensor designed for the direct detection of coupling of real chameleons to matter. These dark energy candidates could be produced in the Sun and stream unimpeded to Earth. The KWISP ... More
Fast component re-emission in Xe-doped liquid argonJun 03 2019We present the first direct experimental confirmation of the fast component re-emission in liquid argon (LAr) doped with xenon (Xe). This effect was studied at various Xe concentrations up to $\sim$3000 ppm. The rate constant of the energy transfer for ... More
The XENON1T Data Acquisition SystemJun 03 2019The XENON1T liquid xenon time projection chamber is the most sensitive detector built to date for the measurement of direct interactions of weakly interacting massive particles with normal matter. The data acquisition system (DAQ) is constructed from ... More
Radiation risk assessment for space applications by using PW laser facilitiesJun 03 2019Jun 04 2019The map of the radiation doses inside a target chamber during a high-power laser - thin solid target experiments is experimentally measured and calculated by using adequate models. Maximum values for the integrated doses per laser shot of around tens ... More
Context-Enriched Identification of Particles with a Convolutional Network for Neutrino EventsJun 03 2019Particle detectors record the interactions of subatomic particles and their passage through matter. The identification of these particles is necessary for in-depth physics analysis. While particles can be identified by their individual behavior as they ... More
A photomultiplier tube test stand and on-site measurements to characterise the performance of Photonis XP3062 photomultiplier tubes at increased background light conditions and lower gainJun 03 2019Photomultiplier tubes (PMTs) are widely used in astroparticle physics experiments to detect light flashes (e.g. fluorescence or Cherenkov light) from extensive air showers (EASs) initiated by statistically rare very high energy cosmic particles when travelling ... More
A First Look on 3D Effects in Open Axion HaloscopesJun 03 2019We explore finite size 3D effects in open axion haloscopes such as a dish antenna, a dielectric disk and a minimal dielectric haloscope consisting of a mirror and one dielectric disk. Particularly dielectric haloscopes are a promising new method for detecting ... More
Production and optical properties of liquid scintillator for the JSNS$^{2}$ experimentJun 01 2019The JSNS$^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment is to search sterile neutrino with 24 m short baseline at J-PARC. The JSNS$^{2}$ detector will be filled with 17 mass tons of Gadolinium loaded liquid scintillator ... More
Radiation hardness of a p-channel notch CCD developed for the X-ray CCD camera onboard the XRISM satelliteJun 01 2019We report the radiation hardness of a p-channel CCD developed for the X-ray CCD camera onboard the XRISM satellite. This CCD has basically the same characteristics as the one used in the previous Hitomi satellite, but newly employs a notch structure of ... More
Detection Prospects of Core-Collapse Supernovae with Supernova-Optimized Third-Generation Gravitational-wave DetectorsMay 31 2019We optimize the third-generation gravitational-wave detector to maximize the range to detect core-collapse supernovae. Based on three-dimensional simulations for core-collapse and the corresponding gravitational-wave waveform emitted, the corresponding ... More
Large-area Si(Li) detectors for X-ray spectrometry and particle tracking in the GAPS experimentMay 31 2019The first lithium-drifted silicon (Si(Li)) detectors to satisfy the unique geometric, performance, and cost requirements of the GAPS (General Antiparticle Spectrometer) experiment have been produced by Shimadzu Corporation. The GAPS Si(Li) detectors will ... More
Radiogenic backgrounds in the NEXT double beta decay experimentMay 31 2019Natural radioactivity represents one of the main backgrounds in the search for neutrinoless double beta decay. Within the NEXT physics program, the radioactivity-induced backgrounds are measured with the NEXT-White detector. Data from 37.9 days of low-background ... More
Towards a multi-input astrophotonic AWG spectrographMay 30 2019Astrophotonics is the new frontier technology to develop diffraction-limited, miniaturized, and cost-effective instruments for the next generation of large telescopes. For various astronomical studies such as probing the early universe, observing in near ... More
Astrophotonic SpectrographsMay 30 2019Astrophotonics is the application of photonic technologies to channel, manipulate, and disperse light from one or more telescopes to achieve scientific objectives in astronomy in an efficient and cost-effective way. Utilizing photonic advantage for astronomical ... More
Efficiency of the topological signature in the NEXT-White detectorMay 30 2019In experiments searching for neutrinoless double-beta decay, the possibility of identifying the two emitted electrons is a powerful tool in rejecting background events and therefore improving the overall sensitivity of the experiment. In this paper we ... More
Energy calibration of the NEXT-White detector with 1% resolution near Q$ββ$ of $^{136}$XeMay 30 2019Excellent energy resolution is one of the primary advantages of electroluminescent high pressure xenon TPCs, and searches for rare physics events such as neutrinoless double-beta decay ($\beta\beta0\nu$) require precise energy measurements. Using the ... More
A Test of Bolometric Properties of Tm-containing Crystals as a Perspective Detector for the Solar Axion SearchMay 30 2019The $^{169}$Tm nuclide has first nuclear level at 8.41 keV with magnetic type transition to the ground state and, therefore, can be used as a target nucleus for the search of resonant absorption of solar axions. We plan to use a Tm-containing crystal ... More
ATLAS job monitoring in the Dashboard FrameworkMay 30 2019Monitoring of the large-scale data processing of the ATLAS experiment includes monitoring of production and user analysis jobs. The Experiment Dashboard provides a common job monitoring solution, which is shared by ATLAS and CMS experiments. This includes ... More
Free-space optical two-way time and frequency transfer compatible with current microwave satellite transfer platformMay 30 2019Free-space optical two-way time and frequency transfer (O-TWTFT) has shown higher precision than microwave satellite transfer methods and more flexibility compared to fiber-based techniques. Here we propose a free-space O-TWTFT system using flexible binary ... More
Chip-based photonic radar for high-resolution imagingMay 30 2019Radar is the only sensor that can realize target imaging at all time and all weather, which would be a key technical enabler for future intelligent society. Poor resolution and large size are two critical issues for radars to gain ground in civil applications. ... More
Quantum information processing with space-division multiplexing optical fibresMay 29 2019The optical fibre is an essential tool for our communication infrastructure since it is the main transmission channel for optical communications. The latest major advance in optical fibre technology is spatial division multiplexing (SDM), where new fibre ... More
Data-Driven Modeling of Electron Recoil Nucleation in PICO C$_3$F$_8$ Bubble ChambersMay 29 2019The primary advantage of moderately superheated bubble chamber detectors is their simultaneous sensitivity to nuclear recoils from WIMP dark matter and insensitivity to electron recoil backgrounds. A comprehensive analysis of PICO gamma calibration data ... More
Battery Diagnostics with Sensitive MagnetometryMay 29 2019The ever-increasing demand for high-capacity rechargeable batteries highlights the need for sensitive and accurate diagnostic technology for determining the state of a cell, for identifying and localizing defects, or for sensing capacity loss mechanisms. ... More
Slow light-enhanced optical imaging of microfiber radius variations with sub-Angström precisionMay 29 2019Optical fibers play a key role in many different fields of science and technology. For many of these applications it is of outmost importance to precisely know and control their radius. In this manuscript, we demonstrate a novel technique to determine ... More
Development and characterization of detectors for large area application in neutron scattering and small area application in neutron reflectometryMay 29 2019Neutron scattering techniques offer a unique combination of structural and the dynamic information of atomic and molecular systems over a wide range of distances and times. The increasing complexity in science investigations driven by technological advances ... More
Improved STEREO simulation with a new gamma ray spectrum of excited gadolinium isotopes using FIFRELINMay 28 2019The STEREO experiment measures the electron antineutrino spectrum emitted in a research reactor using the inverse beta decay reaction on H nuclei in a gadolinium loaded liquid scintillator. The detection is based on a signal coincidence of a prompt positron ... More
Results from the STEREO Experiment with 119 days of Reactor-on DataMay 28 2019In the past decades, short baseline neutrino oscillation studies around experimental or commercial reactor cores have revealed two anomalies. The first one is linked to the absolute flux and the second one to the spectral shape. The first anomaly, called ... More
Sub-100 nanosecond temporally resolved imaging with the Medipix3 direct electron detectorMay 28 2019Detector developments are currently enabling new capabilities in the field of Transmission Electron Microscopy (TEM). We have investigated the limits of a hybrid pixel detector, Medipix3, to record dynamic, time varying, electron signals. Operating with ... More
A non-invasive ultra-thin luminophore foil detector system for secondary beam monitoringMay 28 2019High-intensity secondary beams play a vital role in today's particle physics and materials science research and require suitable detection techniques to adjust beam characteristics to optimally match experimental conditions. To this end we have developed ... More
Fast Data-Driven Simulation of Cherenkov Detectors Using Generative Adversarial NetworksMay 28 2019The increasing luminosities of future Large Hadron Collider runs and next generation of collider experiments will require an unprecedented amount of simulated events to be produced. Such large scale productions are extremely demanding in terms of computing ... More
A Novel Dual Modality Sensor With Sensitivities to Permittivity, Conductivity, and PermeabilityMay 28 2019In this paper, an electromagnetic sensor which can operate simultaneously in capacitive and inductive modalities with sensitivities to permittivity, conductivity, and permeability is developed, and a novel measurement strategy is proposed accordingly. ... More
RMATE: A device to test radiation-induced effects under controlled magnetic field and temperatureMay 28 2019This study shows the development and performance assessment of a novel set-up that enables the research of structural materials for fusion reactors, by making possible simultaneous application of temperature (up to 450$^{\circ}$C) and magnetic field (close ... More
Results on Multiple Coulomb Scattering from 12 and 20 GeV electrons on Carbon targetsMay 28 2019Multiple scattering effects of 12 and 20 GeV electrons on 8 and 20 mm thickness carbon targets have been studied with high-resolution silicon microstrip detectors of the UA9 apparatus at the H8 line at CERN. Comparison of the scattering angle between ... More
A High Count-Rate and Depth-of-Interaction Resolving MR-Compatible Single Layered One-Side Readout Pixelated Scintillator Crystal Array for PET ApplicationsMay 27 2019Organ-specific, targeted Field-of-View (FoV) Positron Emission Tomography (PET)/ Magnetic Resonance Imaging (MRI) inserts are viable solutions for a number of imaging tasks where whole-body PET/MRI systems lack the necessary sensitivity and resolution. ... More
Precise Photographic Monitoring of MEG II Thin-film Muon Stopping Target Position and ShapeMay 27 2019We describe and show results of a photographic technique for continuously monitoring the position, orientation, and shape of a thin-film muon stopping target for the MEG II experiment. The measurement is complicated by the target being located in a region ... More
Compact fiber optical interferometer technique to measure picometer displacements in biological piezoelectric materialsMay 27 2019A simple and robust fiber optical interferometer was developed to non-invasively study the weak piezoelectric effect from thin samples. A biological sample from inter-molt dactyl clubs obtained from the mantis shrimp was used as the test sample. The non-contact ... More
Development of a method for measuring rare earth elements in the environment for future experiments with gadolinium loaded detectorsMay 27 2019Demand to use gadolinium (Gd) in detectors is increasing in the field of elementary particle physics, especially neutrino measurements and dark matter searches. Large amounts of Gd are used in these experiments. Therefore, to access the impacts of Gd ... More
About the possibility of an international ground-based Very High Energy particle detector experiment in EcuadorMay 26 2019We discuss the possibility of hosting a big Astrophysics ground-based experiment in Ecuador aimed to detect VHE particles. Ecuador location makes possible to see both the Northern and Southern sky. An additional geographic feature is the presence of one ... More
Coherent elastic nuclear scattering of $^{51}$Cr neutrinosMay 25 2019Searches for new physics in the coherent elastic neutrino-nucleus scattering require a precise knowledge of the neutrino flux and energy spectrum. In this paper we investigate the feasibility and the performances of an experiment based on a $^{51}$Cr ... More
Exploring CEvNS with NUCLEUS at the Chooz Nuclear Power PlantMay 24 2019Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) offers a unique way to study neutrino properties and to search for new physics beyond the Standard Model. Nuclear reactors are promising sources to explore this process at low energies since they ... More
Design of the Magnet System of the Neutron Decay Facility PERCMay 24 2019The PERC (Proton and Electron Radiation Channel) facility is currently under construction at the research reactor FRM II, Garching. It will serve as an intense and clean source of electrons and protons from neutron beta decay for precision studies. It ... More
X-ray diffraction from strongly bent crystals and spectroscopy of XFEL pulsesMay 24 2019The use of strongly bent crystals in spectrometers for pulses of a hard x-ray free-electron laser is explored theoretically. Diffraction is calculated in both dynamical and kinematical theories. It is shown that diffraction can be treated kinematically ... More
Automated Structure Discovery in Atomic Force MicroscopyMay 24 2019Atomic force microscopy (AFM) with molecule-functionalized tips has emerged as the primary experimental technique for probing the atomic structure of organic molecules on surfaces. Most experiments have been limited to nearly planar aromatic molecules, ... More
Automated Structure Discovery in Atomic Force MicroscopyMay 24 2019May 30 2019Atomic force microscopy (AFM) with molecule-functionalized tips has emerged as the primary experimental technique for probing the atomic structure of organic molecules on surfaces. Most experiments have been limited to nearly planar aromatic molecules, ... More
Electromagnetically-induced transparency, absorption, and microwave field sensing in a Rb vapor cell with a three-color all-infrared laser systemMay 23 2019A comprehensive study of three-photon electromagnetically-induced transparency (EIT) and absorption (EIA) on the rubidium cascade $5S_{1/2} \rightarrow 5P_{3/2}$ (laser wavelength 780~nm), $5P_{3/2} \rightarrow 5D_{5/2}$ (776~nm), and $5D_{5/2}\rightarrow ... More
Laser machined ultrathin microscale platinum thermometers on transparent oxide substratesMay 23 2019Ultrathin microscale resistive thermometers are of key value to many applications. Here we have fabricated a laser machined 50 ${\mu}$m wide and 50 nm thick serpentine Pt thin film sensor capable of sensing temperatures up to 650 ${^\circ}$ C over multiple ... More
Three-dimensional charge transport mapping by two-photon absorption edge transient-current technique in synthetic single-crystalline diamondMay 23 2019We demonstrate the application of two-photon absorption transient current technique to wide bandgap semiconductors. We utilize it to probe charge transport properties of single-crystal Chemical Vapor Deposition (scCVD) diamond. The charge carriers, inside ... More
Three-dimensional charge transport mapping by two-photon absorption edge transient-current technique in synthetic single-crystalline diamondMay 23 2019May 24 2019We demonstrate the application of two-photon absorption transient current technique to wide bandgap semiconductors. We utilize it to probe charge transport properties of single-crystal Chemical Vapor Deposition (scCVD) diamond. The charge carriers, inside ... More
Improving the muon track reconstruction of IceCube and IceCube-Gen2May 23 2019IceCube is a cubic-kilometer Cherenkov telescope operating at the South Pole. Its goal is to detect astrophysical neutrinos and identify their sources. High-energy muon neutrinos are identified through the secondary muons produced via charge current interactions ... More
A next-generation inverse-geometry spallation-driven ultracold neutron sourceMay 23 2019The concept of a next-generation spallation-driven ultracold neutron (UCN) source capable of delivering an integrated flux of $\sim 10^{9}\,{\rm UCN\,s^{-1}}$ is presented. A novel "inverse geometry" design is used with 40 liters of superfluid $^4$He ... More
Performance of the large scale HV-CMOS pixel sensor MuPix8May 22 2019The Mu3e experiment is searching for the charged lepton flavour violating decay $ \mu^+\rightarrow e^+ e^- e^+ $, aiming for an ultimate sensitivity of one in $10^{16}$ decays. In an environment of up to $10^9$ muon decays per second the detector needs ... More
Rapid measurement of tension in multi-wire arrays using free damped oscillationsMay 21 2019We explore the possibility of using free (as opposed to driven) oscillations to verify wire tension in large, open-frame multiwire planes. Using finite-element simulation we predict the signal when two wires are set in motion by applying and holding a ... More
A fast-switching magnet serving a spallation-driven ultracold neutron sourceMay 21 2019A fast-switching, high-repetition-rate magnet and power supply have been developed for and operated at TRIUMF, to deliver a proton beam to the new ultracold neutron (UCN) facility. The facility possesses unique operational requirements: a time-averaged ... More
On the weighting field of irradiated silicon detectorsMay 21 2019The understanding of the weighting field of irradiated silicon sensors is essential for calculating the response of silicon detectors in the radiation environment at accelerators like at the CERN LHC. Using 1-D calculations of non-irradiated pad sensors ... More
A Voltage Calibration Chain for Meters Used in Measurements of EV Inductive Power ChargingMay 20 2019The inductive charging of electric vehicles requires specific measurement and calibration systems. In fact, the measurement of power on board involves DC signals, which are superimposed to a significant AC ripple up to or over 150 kHz, depending on the ... More
The feasibility study of the long baseline neutrino oscillation experiment at the SUNLAB laboratory in PolandMay 20 2019The feasibility study of an underground laboratory in the Polkowice -Sieroszowice mine in Poland (SUNLAB) as a host of a far detector in a long baseline neutrino oscillation experiment was performed. The SUNLAB location was previously studied under the ... More
PymePix: A python library for SPIDR readout of Timepix3May 20 2019PymePix is a new Python 3 library that provides control and acquisition for the Timepix3-SPIDR hardware. The rich set of data-structures and intuitive routines reduces time and coding effort to quickly configure, acquire, and visualize data from Timepix3. ... More
RE3/1 and RE4/1 RPC chambers integration in the inner region of the forward muon spectrometer in the CMS experimentMay 19 2019The high pseudorapidity ($\eta$) region of the Compact Muon Solenoid (CMS) muon system is covered by Cathode Strip Chambers only and lacks redundant coverage despite the fact that it is a challenging region for muons in terms of backgrounds and momentum ... More
Scintillator Surface Detector simulations for AugerPrimeMay 19 2019Knowledge of the mass composition of ultra-high-energy cosmic rays is understood to be a salient component in answering the open questions in the field. The AugerPrime upgrade of the Pierre Auger Observatory aims to enhance its surface detector with the ... More
Characterization of a double Time-Of-Flight detector system for accurate velocity measurement in a storage ring using laser beamsMay 17 2019The Isochronous Mass Spectrometry (IMS) is a powerful tool for mass measurements of exotic nuclei with half-lives as short as several tens of micro-seconds in storage rings. In order to improve the mass resolving power while preserving the acceptance ... More