A5106886152- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Superconducting and THz Device Technology
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Nuclear physics research studies
- High-Energy Particle Collisions Research
- Muon and positron interactions and applications
- Advanced Thermodynamics and Statistical Mechanics
- Nuclear Physics and Applications
- Cosmology and Gravitation Theories
- Electromagnetic Compatibility and Noise Suppression
- Web and Library Services
- Spacecraft and Cryogenic Technologies
- Behavioral Health and Interventions
- Library Science and Information Literacy
- Embedded Systems Design Techniques
- Electromagnetic Compatibility and Measurements
- Reservoir Engineering and Simulation Methods
- Quantum Chromodynamics and Particle Interactions
- Radioactivity and Radon Measurements
- Human Resource Development and Performance Evaluation
Technical University of Munich
2019-2024
Institute for Scintillation Materials
2023
Max Planck Institute for Nuclear Physics
2013-2022
Université Paris-Saclay
2019-2022
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2019-2022
Excellence Cluster Origins
2021-2022
CEA Paris-Saclay
2019-2022
Institut de Recherche sur les Lois Fondamentales de l'Univers
2019-2022
Centre National de la Recherche Scientifique
2019
Institute for Nuclear Research
2019
The GERDA experiment searches for the lepton-number-violating neutrinoless double-β decay of ^{76}Ge (^{76}Ge→^{76}Se+2e^{-}) operating bare Ge diodes with an enriched fraction in liquid argon. exposure broad-energy germanium type (BEGe) detectors is increased threefold respect to our previous data release. BEGe feature excellent background suppression from analysis time profile detector signals. In window a level 1.0_{-0.4}^{+0.6}×10^{-3} counts/(keV kg yr) has been achieved; if normalized...
Abstract Coherent elastic neutrino–nucleus scattering ( $$\hbox {CE}\nu \hbox {NS}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mtext>CE</mml:mtext><mml:mi>ν</mml:mi><mml:mtext>NS</mml:mtext></mml:mrow></mml:math> ) offers a unique way to study neutrino properties and search for new physics beyond the Standard Model. Nuclear reactors are promising sources explore this process at low energies since they deliver large fluxes of anti-neutrinos with typical few MeV....
The GERmanium Detector Array (Gerda) at the Gran Sasso Underground Laboratory (LNGS) searches for neutrinoless double beta decay ( $$0\nu \beta $$ ) of $$^{76}$$ Ge. Germanium detectors made material with an enriched Ge fraction act simultaneously as sources and this decay. During Phase I theexperiment mainly refurbished semi-coaxial from former experiments were used. For upcoming II, 30 new broad energy germanium (BEGe)-type produced. A subgroup these has already been deployed in Gerda...
Abstract The NUCLEUS experiment aims for the detection of coherent elastic neutrino-nucleus scattering at a nuclear power reactor with gram-scale, ultra-low-threshold cryogenic detectors. This technology leads to miniaturization neutrino detectors and allows probe physics beyond Standard Model particle physics. A 0.5 g prototype detector, operated above ground in 2017, reached an energy threshold recoils below 20 eV. sensitivity is achieved tungsten transition edge sensors which are...
Coherent elastic neutrino-nucleus scattering and low-mass dark matter detectors rely crucially on the understanding of their response to nuclear recoils. We report first observation a recoil peak at around 112 eV induced by neutron capture. The measurement was performed with CaWO_{4} cryogenic detector from NUCLEUS experiment exposed ^{252}Cf source placed in compact moderator. identify expected structure single-γ de-excitation ^{183}W 3σ its origin capture 6σ significance. This result...
Abstract In recent times, the sensitivity of low-mass direct dark matter searches has been limited by unknown low energy backgrounds close to threshold experiments known as excess (LEE). The CRESST experiment utilises advanced cryogenic detectors constructed with different types crystals equipped Transition Edge Sensors (TESs) measure signals nuclear recoils induced scattering particles in detector. CRESST, this background manifests itself a steeply rising population events below 200 eV. A...
RES-NOVA is a new proposed experiment for the investigation of astrophysical neutrino sources with archaeological Pb-based cryogenic detectors. will exploit Coherent Elastic neutrino-Nucleus Scattering (CEνNS) as detection channel, thus it be equally sensitive to all flavors produced by Supernovae (SNe). only total active volume (60 cm)3 and an energy threshold 1 keV probe entire Milky Way Galaxy (failed) core-collapse SNe > 3 σ significance. The high detector modularity makes ideal also...
The main goal of the CRESST-III experiment is direct detection dark matter particles via their scattering off target nuclei in cryogenic detectors. In this work we present results a silicon-on-sapphire (SOS) detector with mass 0.6 g and an energy threshold <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mo stretchy="false">(</a:mo><a:mn>6.7</a:mn><a:mo>±</a:mo><a:mn>0.2</a:mn><a:mo stretchy="false">)</a:mo><a:mtext> </a:mtext><a:mtext>...
Abstract With the rising adoption of dry dilution refrigerators across scientific and industrial domains, there has been a pressing demand for highly efficient vibration decoupling systems capable operation at cryogenic temperatures in order to achieve low levels required sensitive equipment like detectors or quantum devices. As part NUCLEUS experiment, spring pendulum engineered effectively isolate pulse tube vibrations by establishing an autonomous frame reference experimental volume,...
Abstract The development of low-threshold detectors for the study coherent elastic neutrino-nucleus scattering and search light dark matter necessitates methods low-energy calibration. We suggest this can be provided by nuclear recoils resulting from γ emission following thermal neutron capture. In particular, several MeV-scale single-γ transitions induce well-defined recoil peaks in 100 eV range. Using FIFRELIN code, complete schemes γ-cascades various isotopes predicted with high accuracy...
HEROICA (Hades Experimental Research Of Intrinsic Crystal Appliances) is an infrastructure to characterize germanium detectors and has been designed constructed at the HADES Underground Laboratory, located in Mol (Belgium). Thanks 223 m overburden of clay sand, muon flux lowered by four orders magnitude. This natural shield minimizes exposure radio-pure material cosmic radiation resulting a significant suppression cosmogenic activation detectors. The project strongly motivated special...
Abstract The CONUS experiment (COherent elastic NeUtrino nucleus Scattering) aims at detecting coherent neutrino scattering of reactor antineutrinos on Germanium. will be set up the commercial nuclear power plant Brokdorf, Germany, a distance ∼17 m to core. recoil nuclei hit by is detected with four high-purity point contact Germanium detectors very low threshold and an overall mass about 4 kg. To suppress background, setup equipped shell-like passive shield active muon veto system. have...
Abstract RES-NOVA is a newly proposed experiment for detecting neutrinos from astrophysical sources, mainly Supernovae, using an array of cryogenic detectors made PbWO $$_4$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mrow /> <mml:mn>4</mml:mn> </mml:msub> </mml:math> crystals produced archaeological Pb. This unconventional material, characterized by intrinsic high radiopurity, enables low-background levels in the region interest neutrino detection via Coherent...
Rare-event search experiments located on-surface, such as short-baseline reactor neutrino experiments, are often limited by muon-induced background events. Highly efficient muon vetos essential to reduce the detector and reach sensitivity goals. We demonstrate feasibility of deploying organic plastic scintillators at sub-Kelvin temperatures. For NUCLEUS experiment, we developed a cryogenic veto equipped with wavelength shifting fibers silicon photo multiplier operating inside dilution...
The GERmanium Detector Array (GERDA) is a low background experiment at the Laboratori Nazionali del Gran Sasso (LNGS) of INFN designed to search for rare neutrinoless double beta decay ([Formula: see text]) [Formula: text]Ge. In first phase (Phase I) experiment, high purity germanium diodes were operated in “bare” mode and immersed liquid argon. overall level text] was factor ten better than those its predecessors. No signal found lower limit set on half-life text]Ge yr (90% CL), while...
Self-control is crucial for goal attainment and related to several beneficial outcomes, such as health education. For a long time, it was predominantly understood in terms of inhibition, namely the ability suppress immediate urges sake long-term goals. Still, research on other self-control strategies has longstanding tradition recent moved towards broader approach, integrating different (e.g., reappraisal or pre-commitment) gain more comprehensive perspective relevant processes protection....
Abstract Cryogenic scintillating calorimeters are ultra- sensitive particle detectors for rare event searches, particularly the search dark matter and measurement of neutrino properties. These made from target crystals generating two signals each interaction. The phonon (heat) signal precisely measures deposited energy independent type interacting particle. scintillation light yields discrimination on an event-by-event basis. This paper presents a likelihood framework modeling backgrounds...
Abstract The Nucleus experiment aims to measure coherent elastic neutrino nucleus scattering of reactor anti-neutrinos using cryogenic calorimeters. Operating at an overburden 3 meters water equivalent, muon-induced backgrounds are expected be one the dominant background contributions. Besides a high efficiency identify muon events passing experimental setup, veto has fulfill tight spatial requirements fit constraints given by site and minimize induced detector dead-time. We developed highly...
The NUCLEUS experiment aims at measuring the coherent elastic scattering of nuclear reactor antineutrinos off nuclei using cryogenic calorimeters. Operating an overburden 3m.w.e., muon-induced backgrounds are expected to be dominant. It is therefore essential develop efficient muon veto, with a detection efficiency more than 99%. This will realized in through compact cube assembly plastic scintillator panels. In order prevent large unshielded area where cryostat intersects shielding...
Abstract The GERmanium Detector Array (Gerda) experiment located at the INFN Gran Sasso Laboratory (Italy), is looking for neutrinoless double beta decay of 76 Ge, by using high-purity germanium detectors made from isotopically enriched material. combination novel experimental design, careful material selection radio-purity and active/passive shielding techniques result in a very low residual background Q-value decay, about 10 −3 cts/(keV-kg-yr). This makes GERDA first field to be...
The GERmanium Detector Array (GERDA) experiment located at the INFN Gran Sasso Laboratory (Italy), is looking for neutrinoless double beta decay of Ge76, by using high-purity germanium detectors made from isotopically enriched material. combination novel experimental design, careful material selection radio-purity and active/passive shielding techniques result in a very low residual background Q-value decay, about 1e-3 counts/(keV kg yr). This makes GERDA first field to be background-free...
The emission of γ-rays after neutron capture in a cryogenic detector can generate monoenergetic nuclear recoils the sub-keV regime, which is direct interest for calibration dark matter and coherent elastic neutrino-nucleus scattering experiments. Here we show that accurate predictions spectra total energy deposition induced by captures require taking into account interplay between development time deexcitation γ-ray cascade target nucleus associated atomic collisions matter. We present...