Clustering of Electromagnetic Showers and Particle Interactions with Graph Neural Networks in Liquid Argon Time Projection Chambers DataLiquid Argon Time Projection Chambers (LArTPCs) are a class of detectors that produce high resolution images of charged particles within their sensitive volume. In these images, the clustering of…Francois Drielsma, Qing Lin, Pierre Côte de Soux et al.·Jul 2, 2020SaveLearn
Reduction of contaminants originating from primary beam by improving the beam stoppers in GARIS-IITwo independent beam stoppers have been developed for improving the beam separation of the gas-filled recoil ion separator GARIS-II. Performance evaluation of these supplemental beam stoppers was…Sota Kimura, Daiya Kaji, Yuta Ito et al.·Jul 2, 2020SaveLearn
Time-Focusing Time-of-Flight, a new method to turn a MAC-E-filter into a quasi-differential spectrometerSpectrometers based on the magnetic adiabatic collimation followed by an electrostatic filter (MAC-E-filter) principle combine high angular acceptance with an excellent energy resolution. These…Alexander Fulst, Alexey Lokhov, Mariia Fedkevych et al.·Jul 2, 2020SaveLearn
Tracking with A Common Tracking SoftwareIn high energy physics (HEP) experiments, the reconstruction of charged particle trajectories is one of the most fundamental yet computationally expensive parts of event processing. At future hadron…Xiaocong Ai·Jul 2, 2020SaveLearn
An updated hybrid deep learning algorithm for identifying and locating primary verticesWe present an improved hybrid algorithm for vertexing, that combines deep learning with conventional methods. Even though the algorithm is a generic approach to vertex finding, we focus here on…Simon Akar, Thomas J. Boettcher, Sarah Carl et al.·Jul 2, 2020SaveLearn
Stability and detection performance of a GEM-based Optical Readout TPC with He/CF4 gas mixturesThe performance and long term stability of an optically readout Time Projection Chamber with an electron amplification structure based on three Gas Electron Multipliers was studied. He/CF4 based…E. Baracchini, L. Benussi, S. Bianco et al.·Jul 1, 2020SaveLearn
Fast low-noise transimpedance amplifier for scanning tunneling microscopy and beyondA transimpedance amplifier has been designed for scanning tunneling microscopy (STM). The amplifier features low noise (limited by the Johnson noise of the 1 GΩ feedback resistor at low input current…Martin Štubian, Juraj Bobek, Martin Setvin et al.·Jul 1, 2020SaveLearn
Experimental evidence on photo-assisted O- ion production from Al2O3 cathode in cesium sputter negative ion sourceThe production of negative ions in cesium sputter ion sources is generally considered to be a pure surface process. It has been recently proposed that ion pair production could explain the…O. Tarvainen, R. Kronholm, M. Laitinen et al.·Jul 1, 2020SaveLearn
Optimization of the JUNO liquid scintillator composition using a Daya Bay antineutrino detectorTo maximize the light yield of the liquid scintillator (LS) for the Jiangmen Underground Neutrino Observatory (JUNO), a 20 t LS sample was produced in a pilot plant at Daya Bay. The optical…Daya Bay, JUNO collaborations, : et al.·Jul 1, 2020SaveLearn
Strategies to reduce the environmental impact in the MRPC array of the EEE experimentThe Extreme Energy Events (EEE) Project employs Multi-gap Resistive Plate Chamber (MRPC) for studying the secondary cosmic ray muons in Extensive Air Showers. The array consists of about 60 tracking…M. P. Panetta, M. Abbrescia, C. Avanzini et al.·Jun 30, 2020SaveLearn
Track Seeding and Labelling with Embedded-space Graph Neural NetworksTo address the unprecedented scale of HL-LHC data, the Exa.TrkX project is investigating a variety of machine learning approaches to particle track reconstruction. The most promising of these…Nicholas Choma, Daniel Murnane, Xiangyang Ju et al.·Jun 30, 2020SaveLearn
COTS MOS Dosimetry on the MeMOSat Board, Results After 2.5 Years in OrbitWe present the results after 2.5 years in or-bit of Total Ionizing Dose (TID) measurements done using Metal Oxide Semiconductor (MOS) dosimeters on the MeMOSat board. The MeMOSat board was launched…José Lipovetzky, Mariano Garcia-Inza, Macarena Rodríguez Cañete et al.·Jun 30, 2020SaveLearn
LabOSat as a versatile payload for small satellites: first 100days in LEO orbitIn this work the first results obtained by LabOSat-01 platform are presented. This platform was designed for testing custom devices on board of small satellites. Two LabOSat-01 type boards were…G. A. Sanca, M. Barella, F. Gomez Marlasca et al.·Jun 30, 2020SaveLearn
The optical loss study of molecular layer for a cryogenic interferometric gravitational-wave detectorThe detection of gravitational-waves provides us with a deep insight into the universe. In order to increase the number of detectable gravitational-wave sources, several future gravitational-wave…Satoshi Tanioka, Kunihiko Hasegawa, Yoichi Aso·Jun 30, 2020SaveLearn
Ferromagnetic contamination of Ultra-Low-Field-NMR sample containers. Quantification of the problem and possible solutionsThe presence of a weak remanence in Ultra-Low-Field (ULF) NMR sample containers is investigated on the basis of proton precession. The high-sensitivity magnetometer used for the NMR detection,…Giuseppe Bevilacqua, Valerio Biancalana, Marco Consumi et al.·Jun 30, 2020SaveLearn
Requirements, Status, and Plans for Track Reconstruction at the sPHENIX ExperimentsPHENIX is a new experiment that is being constructed at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. The primary physics goals of sPHENIX are to measure jets, their…Joseph D. Osborn·Jun 29, 2020SaveLearn
A high precision falling-ball viscometer using a fast cameraThis paper describes a simple and inexpensive method of measuring viscosity of a Newtonian fluid using the ball drop technique and an inexpensive point and shoot ~1000 frame per second camera. We…Neal Samuel Border, Aiden Reilly, Addison Miller et al.·Jun 29, 2020SaveLearn
Photoemission from the gas phase using soft x-ray fs pulses: An investigation of the space-charge effectsAn experimental and computational investigation of the space-charge effects occurring in ultrafast photoelectron spectroscopy from the gas phase is presented. The target sample CF3I is excited by…Adriano Verna, Giovanni Stefani, Francesco Offi et al.·Jun 28, 2020SaveLearn
Neutrino interaction classification with a convolutional neural network in the DUNE far detectorThe Deep Underground Neutrino Experiment is a next-generation neutrino oscillation experiment that aims to measure CP-violation in the neutrino sector as part of a wider physics program. A deep…DUNE Collaboration, B. Abi, R. Acciarri et al.·Jun 26, 2020SaveLearn
Performance of ALICE AD modules in the CERN PS test beamTwo modules of the AD detector have been studied with the test beam at the T10 facility at CERN. The AD detector is made of scintillator pads read out by wave-length shifters (WLS)coupled to clean…M. Broz, J. C. Cabanillas Noris, E. Calvo Villar et al.·Jun 26, 2020SaveLearn
Design study of a scintronic crystal targeting tens of picoseconds time resolution for gamma ray imaging: the ClearMind detectorWe describe the concept of a new gamma ray scintronic detector targeting a time resolution of the order of 25 ps FWHM, with millimetric volume reconstruction and high detection efficiency. Its design…D. Yvon, V. Sharyy, M. Follin et al.·Jun 26, 2020SaveLearn
Calibrated Single-Contact Voltage Sensor for High-Voltage Monitoring ApplicationsA single-contact voltage sensor designed for accurate measurements of ac voltages across a pair of conductors is described. The sensor design is motivated by remote monitoring applications where…Jake S. Bobowski, Saimoom Ferdous, Thomas Johnson·Jun 26, 2020SaveLearn
Benefits of MeV-scale reconstruction capabilities in large liquid argon time projection chambersUsing truth-level Monte Carlo simulations of particle interactions in a large volume of liquid argon, we demonstrate physics capabilities enabled by reconstruction of topologically compact and…W. Castiglioni, W. Foreman, I. Lepetic et al.·Jun 25, 2020SaveLearn
Reconstruction of signal amplitudes in the CMS electromagnetic calorimeter in the presence of overlapping proton-proton interactionsA template fitting technique for reconstructing the amplitude of signals produced by the lead tungstate crystals of the CMS electromagnetic calorimeter is described. This novel approach is designed…CMS Collaboration·Jun 25, 2020SaveLearn
Stabilization of 866 nm laser with Pound-Drever-Hall (PDH) technique for quantum manipulation of Ca+ ion in Paul trapThis article provides an introduction to one of the most efficient laser stabilization techniques - the Pound-Drever-Hall (PDH) method. The aim of the experiment is to build the PDH stabilization…Siddhant Singh·Jun 25, 2020SaveLearn