Publications (28)
PEN as self-vetoing structural Material
B. Majorovits, S. Eck, F. Fischer +7
Polyethylene Naphtalate (PEN) is a mechanically very favorable polymer. Earlier it was found that thin foils made from PEN can have very high radio-purity compared to other commerc…
The Large Enriched Germanium Experiment for Neutrinoless Double Beta Decay (LEGEND)
LEGEND Collaboration, N. Abgrall, A. Abramov +230
The observation of neutrinoless double-beta decay (0) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on ne…
Liquid argon light collection and veto modeling in GERDA Phase II
GERDA collaboration, M. Agostini, A. Alexander +115
The ability to detect liquid argon scintillation light from within a densely packed high-purity germanium detector array allowed the GERDA experiment to reach an exceptionally low…
Modulating the growth conditions: Si as an acceptor in (110) GaAs for high mobility p-type heterostructures
F. Fischer, M. Grayson, D. Schuh +2
We implement metallic layers of Si-doped (110) GaAs as modulation doping in high mobility p-type heterostructures, changing to p-growth conditions for the doping layer alone. The s…
Calibration of the GERDA experiment
GERDA collaboration, M. Agostini, G. R. Araujo +109
The GERmanium Detector Array (GERDA) collaboration searched for neutrinoless double- decay in Ge with an array of about 40 high-purity isotopically-enriched germanium de…
Search for tri-nucleon decays of Ge in GERDA
GERDA collaboration, M. Agostini, A. Alexander +111
We search for tri-nucleon decays of Ge in the dataset from the GERmanium Detector Array (GERDA) experiment. Decays that populate excited levels of the daughter nucleus above…
Genetic evolution of a multi-generational population in the context of interstellar space travels -- Part I: Genetic evolution under the neutral selection hypothesis
F. Marin, C. Beluffi, F. Fischer
We updated the agent based Monte Carlo code HERITAGE that simulates human evolution within restrictive environments such as interstellar, sub-light speed spacecraft in order to inc…
Use of polyethylene naphthalate as a self-vetoing structural material
Y. Efremenko, L. Fajt, M. Febbraro +15
The discovery of scintillation in the blue regime from polyethylene naphthalate (PEN), a commonly used high-performance industrial polyester plastic, has sparked considerable inter…
The first search for bosonic super-WIMPs with masses up to 1 MeV/c with GERDA
GERDA collaboration, M. Agostini, A. M. Bakalyarov +106
We present the first search for bosonic super-WIMPs as keV-scale dark matter candidates performed with the GERDA experiment. GERDA is a neutrinoless double-beta decay experiment wh…
Final Results of GERDA on the Two-Neutrino Double- Decay Half-Life of Ge
GERDA collaboration, M. Agostini, A. Alexander +116
We present the measurement of the two-neutrino double- decay rate of Ge performed with the GERDA Phase II experiment. With a subset of the entire GERDA exposure, 11.8 kg…
Usage of PEN as self-vetoing structural material in low background experiments
I. Abt, Y. Efremenko, M. Febbraro +22
PEN is an industrial polyester plastic which has become interesting for the physics community as a new type of plastic scintillator. PEN scintillates in the blue regime, which is i…
Anomalous magnetoresistance peak in (110) GaAs two-dimensional holes: Evidence for Landau-level spin-index anticrossings
F. Fischer, R. Winkler, D. Schuh +2
We measure an anomalous magnetoresistance peak within the lowest Landau level (nu = 1) minimum of a two-dimensional hole system on (110) GaAs. Self-consistent calculations of the v…
An improved limit on the neutrinoless double-electron capture of Ar with GERDA
GERDA Collaboration, M. Agostini, A. Alexander +110
The GERmanium Detector Array (GERDA) experiment operated enriched high-purity germanium detectors in a liquid argon cryostat, which contains 0.33% of Ar, a candidate isotope…
Final Results of GERDA on the Search for Neutrinoless Double- Decay
GERDA collaboration, M. Agostini, G. R. Araujo +112
The GERmanium Detector Array (GERDA) experiment searched for the lepton-number-violating neutrinoless double- () decay of Ge, whose discovery would have far-rea…
Measuring carrier density in parallel conduction layers of quantum Hall systems
M. Grayson, F. Fischer
An experimental analysis for two parallel conducting layers determines the full resistivity tensor of the parallel layer, at magnetic fields where the other layer is in the quantum…
LEGEND-1000 Preconceptual Design Report
LEGEND Collaboration, N. Abgrall, I. Abt +261
We propose the construction of LEGEND-1000, the ton-scale Large Enriched Germanium Experiment for Neutrinoless Decay. This international experiment is designed to answer one…
Search for exotic physics in double- decays with GERDA Phase II
The GERDA collaboration, M. Agostini, A. Alexander +111
A search for Beyond the Standard Model double- decay modes of Ge has been performed with data collected during the Phase II of the GERmanium Detector Array (GERDA) exper…
Characterization of inverted coaxial Ge detectors in GERDA for future double- decay experiments
GERDA collaboration, M. Agostini, G. R. Araujo +108
Neutrinoless double- decay of Ge is searched for with germanium detectors where source and detector of the decay are identical. For the success of future experiments it…
Four-point measurements of n- and p-type two-dimensional systems fabricated with cleaved-edge overgrowth
M. Grayson, S. F. Roth, Y. Xiang +3
We demonstrate a contact design that allows four-terminal magnetotransport measurements of cleaved-edge overgrown two-dimensional electron and hole systems. By lithographically pat…
Simulation of semiconductor detectors in 3D with SolidStateDetectors.jl
I. Abt, F. Fischer, F. Hagemann +4
The open-source software package SolidStateDetectorsjl to calculate the fields and simulate the drifts of charge carriers in solid state detectors, together with the correspondi…
Optical properties of low background PEN structural components for the LEGEND-200 experiment
L. Manzanillas, Y. Efremenko, M. Febbraro +6
Polyethylene Naphthalate (PEN) plastic scintillator has been identified as potential self-vetoing structural material in low-background physics experiments. Scintillating component…
Beam-test evaluation of pre-production Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector
A. Aboulhorma, M. Ait Tamlihat, H. M. Alfanda +223
The High Granularity Timing Detector (HGTD) will be installed in the ATLAS experiment as part of the Phase-II upgrade for the High Luminosity-Large Hadron Collider (HL-LHC). It wil…
Production and validation of scintillating structural components from low-background Poly(ethylene naphthalate)
Y. Efremenko, M. Febbraro, F. Fischer +28
Poly Ethylene Naphthalate (PEN) is an industrial polymer plastic which is investigated as a low background, transparent, scintillating and wavelength shifting structural material.…
Thermal Cycling Reliability of Hybrid Pixel Sensor Modules for The ATLAS High Granularity Timing Detector
Y. Li, A. Aboulhorma, M. Ait Tamlihat +219
The reliability of bump connection structures has become a critical aspect of future silicon detectors for particle physics. The High Granularity Timing Detector (HGTD) for the ATL…
Pulse shape analysis in GERDA Phase II
The GERDA collaboration, M. Agostini, G. Araujo +113
The GERmanium Detector Array (GERDA) collaboration searched for neutrinoless double- decay in Ge using isotopically enriched high purity germanium detectors at the Labor…
Influence of voltmeter input impedance on quantum Hall effect measurements
F. Fischer, M. Grayson
We report on the influence of voltmeters on measurements of the longitudinal resistance in the quantum Hall effect regime. We show that for typical input resistances for standard d…
Spin-orbit proximity in MoS/bilayer graphene heterostructures
M. Masseroni, M. Gull, A. Panigrahi +11
Van der Waals heterostructures provide a versatile platform for tailoring electronic properties through the integration of two-dimensional materials. Among these combinations, the…
A fast-switching magnet serving a spallation-driven ultracold neutron source
S. Ahmed, E. Altiere, T. Andalib +47
A 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.…