A TOSA/ROSA-Based Optical Transmitter (MTx+)/Transceiver (MTRx+) for High-Energy Physics ExperimentsWe present a dual-channel optical transmitter (MTx+)/transceiver (MTRx+) for the front-end readout electronics of high-energy physics experiments. MTx+ utilizes two Transmitter Optical Sub-Assemblies…B. Deng, X. Zhao, W. Zhou et al.·Aug 22, 2020SaveLearn
Characterization of a gigabit transceiver for the ATLAS inner tracker pixel detector readout upgradeWe present a gigabit transceiver prototype Application Specific Integrated Circuit (ASIC), GBCR, for the ATLAS Inner Tracker (ITk) Pixel detector readout upgrade. GBCR is designed in a 65-nm CMOS…C. Chen, D. Gong, D. Guo et al.·Aug 22, 2020SaveLearn
1.28 and 5.12 Gbps multi-channel twinax cable receiver ASICs for the ATLAS Inner Tracker Pixel Detector UpgradeWe present two prototypes of a gigabit transceiver ASIC, GBCR1 and GBCR2, both designed in a 65-nm CMOS technology for the ATLAS Inner Tracker Pixel Detector readout upgrade. The first prototype,…Chufeng Chen, Datao Gong, Suen Hou et al.·Aug 22, 2020SaveLearn
Investigation of the effects of valve closing in a static expansion systemThe precise measurement of the pressure of the gas enclosed in the starting volume of a static expansion system is important for achieving low measurement uncertainties. This work focuses on the…Thomas Bock, Matthias Bernien, Christian Buchmann et al.·Aug 21, 2020SaveLearn
The First Round Result from the TianQin-1 SatelliteThe TianQin-1 satellite (TQ-1), which is the first technology demonstration satellite for the TianQin project, was launched on 20 December 2019. The first round of experiment had been carried out…Jun Luo, Yan-Zheng Bai, Lin Cai et al.·Aug 21, 2020SaveLearn
Enhanced Tensor Polarization in Solid-State TargetsWe report measurements of enhanced tensor polarization on solid-state targets. The results here represent an increase in tensor polarization over that previously achieved in high energy and nuclear…Dustin Keller, Don Crabb, Donal Day·Aug 21, 2020SaveLearn
Ultra-thin corrugated metamaterial film as large-area transmission dynodeLarge-area transmission dynodes were fabricated by depositing an ultra-thin continuous film on a silicon wafer with a 3-dimensional pattern. After removing the silicon, a corrugated membrane with…H. W. Chan, V. Prodanović, A. M. M. G. Theulings et al.·Aug 20, 2020SaveLearn
Secondary Electron Emission from Multi-layered TiN/Al2O3 Transmission DynodesThe (secondary) electron emission from multilayered Al2O3/TiN membranes has been investigated with a hemispherical collector system in a scanning electron microscope for electrons with energies…H. W. Chan, V. Prodanović, A. M. M. G. Theulings et al.·Aug 20, 2020SaveLearn
The SuperFGD Prototype Charged Particle Beam TestsA novel scintillator detector, the SuperFGD, has been selected as the main neutrino target for an upgrade of the T2K experiment ND280 near detector. The detector design will allow nearly 4π coverage…A. Blondel, M. Bogomilov, S. Bordoni et al.·Aug 20, 2020SaveLearn
A Spectrometric Approach to Measuring the Rayleigh Scattering Length for Liquid Scintillator DetectorsGood optical transparency is a fundamental requirement of liquid scintillator (LS) detectors. Characterizing the transparency of a liquid scintillator to its own emitted light is a key parameter to…S. S. Gokhale, R. Rosero, R. Diaz Perez et al.·Aug 19, 2020SaveLearn
Characterising the optical response of ultra-low-noise far-infrared 60-110 μm transition edge sensorsFar-infrared Transition Edge Sensors (TESs) are being developed for the SAFARI grating spectrometer on the cooled-aperture space telescope SPICA. In support of this work, we have devised a cryogenic…Emily A. Williams, Stafford Withington, David J. Goldie et al.·Aug 19, 2020SaveLearn
Preparation of Isotopically enriched 112,116,120,124Sn targets at VECCResistive heating and mechanical rolling methods have been employed to prepare isotopically enriched thin target foils of 116Sn (~380 μg/cm2), 124Sn(~400 μg/cm2) and thicker foils of 112Sn (1.7…Ratnesh Pandey, S. Kundu, K. Banerjee et al.·Aug 18, 2020SaveLearn
The milliQan experiment: search for milli-charged particles at the LHCCharge quantization has always been enigmatic. Theoretically, Millicharged particles can be an answer. The use of existing detectors, without affecting their initial mandate, is a very promising low…H. Zaraket·Aug 18, 2020SaveLearn
LTARS: Analog Readout Front-end ASIC for Versatile TPC-applicationsWe designed a versatile analog front-end chip, called LTARS, for TPC-applications, primarily targeted at dual-phase liquid Ar-TPCs for neutrino experiments and negative-ion μ-TPCs for directional…Tetsuichi Kishishita, S. Sumomozawa, T. Kosaka et al.·Aug 18, 2020SaveLearn
Pulse Pileup Rejection Methods Using a Two-Component Gaussian Mixture Model for Fast Neutron Detection with Pulse Shape Discriminating ScintillatorPulse shape discriminating scintillator materials in many cases allow the user to identify two basic kinds of pulses arising from two kinds of particles: neutrons and gammas. An uncomplicated…Andrew Glenn, Qi Cheng, Alan D. Kaplan et al.·Aug 18, 2020SaveLearn
Response of Windowless Silicon Avalanche Photo-Diodes to Electrons in the 90-900 eV RangeWe report on the characterization of the response of windowless silicon avalanche photo-diodes to electrons in the 90-900 eV energy range. The electrons were provided by a monoenergetic electron gun…Alice Apponi, Gianluca Cavoto, Marco Iannone et al.·Aug 17, 2020SaveLearn
High homogeneity permanent magnet for diamond magnetometryHalbach magnets are a source of homogeneous magnetic field in an enclosed volume while keeping stray fields at a minimum. Here, we present the design, construction, and characterization for a 10 cm…Arne Wickenbrock, Huijie Zheng, Georgios Chatzidrosos et al.·Aug 17, 2020SaveLearn
Muon tomography of a reinforced concrete block -- first experimental proof of conceptQuality assurance and condition assessment of concrete structures is an important topic world-wide due to the ageing infrastructure and increasing traffic demands. Common topics include, but are not…Ernst Niederleithinger, Simon Gardner, Thomas Kind et al.·Aug 17, 2020SaveLearn
Method for measurement of the grid transparency in ionization chambersA method is proposed for measurements of the transparency coefficient of the grids used in ionization chambers. The method is based on application of the Green's reciprocity theorem and gives an…A. A. Vorobyev, V. A. Korolev·Aug 17, 2020SaveLearn
The energy response of the Oslo Scintillator Array OSCARThe new Oslo Scintillator Array (OSCAR) has been commissioned at the Oslo Cyclotron Laboratory (OCL). It consists of 30 large volume (diameter 3.5 x 8 inches) LaBr3(Ce) detectors that are used for…F. Zeiser, G. M. Tveten, F. L. Bello Garrote et al.·Aug 14, 2020SaveLearn
Performance evaluation of the aerogel RICH counter for the Belle II spectrometer using early beam collision dataThe Aerogel Ring Imaging Cherenkov (ARICH) counter serves as a particle identification device in the forward end-cap region of the Belle II spectrometer. It is capable of identifying pions and kaons…M. Yonenaga, I. Adachi, L. Burmistrov et al.·Aug 14, 2020SaveLearn
A quantitative comparison of time-of-flight momentum microscopes and hemispherical analyzers for time- and angle-resolved photoemission spectroscopy experimentsTime-of-flight-based momentum microscopy has a growing presence in photoemission studies, as it enables parallel energy- and momentum-resolved acquisition of the full photoelectron distribution.…J. Maklar, S. Dong, S. Beaulieu et al.·Aug 13, 2020SaveLearn
High-Energy Density Hohlraum Design Using Forward and Inverse Deep Neural NetworksWe present a study of using machine learning to enhance hohlraum design for opacity measurement experiments. For opacity experiments we desire a hohlraum that, when its interior walls are illuminated…Ryan G. McClarren, I. L. Tregillis, Todd J. Urbatsch et al.·Aug 13, 2020SaveLearn
Mechanical Quantum Sensing in the Search for Dark MatterNumerous astrophysical and cosmological observations are best explained by the existence of dark matter, a mass density which interacts only very weakly with visible, baryonic matter. Searching for…Daniel Carney, Gordan Krnjaic, David C. Moore et al.·Aug 13, 2020SaveLearn
Characterization of the SIDDHARTA-2 luminosity monitorA luminosity monitor, based on plastic scintillator detectors, has been developed for the SIDDHARTA-2 experiment aiming to perform high precision measurements of kaonic atoms and was installed in…M. Skurzok, A. Scordo, S. Niedzwiecki et al.·Aug 12, 2020SaveLearn