A5009941079- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Particle Detector Development and Performance
- Superconducting and THz Device Technology
- Nuclear physics research studies
- Cosmology and Gravitation Theories
- Quantum, superfluid, helium dynamics
- Scientific Research and Discoveries
- Superconducting Materials and Applications
- Physics of Superconductivity and Magnetism
- Particle accelerators and beam dynamics
- Advanced Thermodynamics and Statistical Mechanics
- Medical Imaging Techniques and Applications
- CCD and CMOS Imaging Sensors
- Nuclear Physics and Applications
- Computational Physics and Python Applications
- Muon and positron interactions and applications
- Advanced Chemical Physics Studies
- Advanced Thermodynamic Systems and Engines
- Atmospheric and Environmental Gas Dynamics
- Geophysics and Gravity Measurements
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2015-2024
Istituto Nazionale di Fisica Nucleare
2014-2022
Institute for Physics
2022
Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca
2011-2021
University of Milano-Bicocca
2012-2021
Université Paris-Saclay
2020
Institut National de Physique Nucléaire et de Physique des Particules
2020
Université Paris-Sud
2020
Centre National de la Recherche Scientifique
2020
University of Insubria
2020
The CRESST experiment is a direct dark matter search which aims to measure interactions of potential particles in an earth-bound detector. With the current stage, CRESST-III, we focus on low energy threshold for increased sensitivity towards light particles. In this manuscript describe analysis one detector operated first run CRESST-III (05/2016-02/2018) achieving nuclear recoil 30.1eV. This result was obtained with 23.6g CaWO$_4$ crystal as cryogenic scintillating calorimeter setup at...
The CRESST-II experiment uses cryogenic detectors to search for nuclear recoil events induced by the elastic scattering of dark matter particles in CaWO$_4$ crystals. Given low energy threshold our combination with light target nuclei, mass can be probed high sensitivity. In this letter we present results from data a single detector module corresponding 52 kg live days. A blind analysis is carried out. With an recoils 307 eV substantially enhance sensitivity matter. Thereby, extend reach...
The CUORE experiment, a ton-scale cryogenic bolometer array, recently began operation at the Laboratori Nazionali del Gran Sasso in Italy. array represents significant advancement this technology, and work we apply it for first time to high-sensitivity search lepton-number--violating process: $^{130}$Te neutrinoless double-beta decay. Examining total TeO$_2$ exposure of 86.3 kg$\cdot$yr, characterized by an effective energy resolution (7.7 $\pm$ 0.5) keV FWHM background region interest...
The CRESST-II cryogenic dark matter search aims for the detection of WIMPs via elastic scattering off nuclei in CaWO $$_4$$ crystals. We present results from a low-threshold analysis single upgraded detector module. This module efficiently vetoes low energy backgrounds induced by $$\alpha $$ -decays on inner surfaces detector. With an exposure 29.35 kg live days collected 2013 we set limit spin-independent WIMP-nucleon which probes new region parameter space WIMP masses below 3 GeV/c $$^2$$...
We report the results of a search for neutrinoless double-beta decay in 9.8 kg yr exposure (130)Te using bolometric detector array, CUORE-0. The characteristic energy resolution and background level region interest are 5.1±0.3 keV FWHM 0.058±0.004(stat)±0.002(syst)counts/(keV yr), respectively. median 90% C.L. lower-limit half-life sensitivity experiment is 2.9×10(24) surpasses previous searches. find no evidence place Bayesian lower bound on half-life, T(1/2)(0ν)>2.7×10(24) at Combining...
We report new results from the search for neutrinoless double-beta decay in $^{130}$Te with CUORE detector. This benefits a four-fold increase exposure, lower trigger thresholds and analysis improvements relative to our previous results. observe background of $(1.38\pm0.07)\cdot10^{-2}$ counts$/($keV$\cdot$kg$\cdot$yr$)$ $0\nu\beta\beta$ region interest and, total exposure 372.5 kg$\cdot$yr, we attain median exclusion sensitivity $1.7\cdot10^{25}$ yr. find no evidence set $90\%$ CI Bayesian...
Abstract The possibility that neutrinos may be their own antiparticles, unique among the known fundamental particles, arises from symmetric theory of fermions proposed by Ettore Majorana in 1937 1 . Given profound consequences such neutrinos, which is a potential explanation for matter–antimatter asymmetry universe via leptogenesis 2 , nature commands intense experimental scrutiny globally; one primary probes neutrinoless double beta (0 νββ ) decay. Here we show results search 0 decay 130...
A detailed description of the CUORICINO $^{130}\mathrm{Te}$ neutrinoless double-beta $(0 \ensuremath{\nu}\ensuremath{\beta}\ensuremath{\beta})$ decay experiment is given and recent results are reported. an array 62 tellurium oxide (${\mathrm{TeO}}_{2}$) bolometers with active mass 40.7 kg. It cooled to $~8\text{\ensuremath{-}}10$ mK by a dilution refrigerator shielded from environmental radioactivity energetic neutrons. running in Laboratori Nazionali del Gran Sasso (LNGS) Assergi, Italy....
Models for light dark matter particles with masses below 1 GeV/c $$^2$$ are a natural and well-motivated alternative to so-far unobserved weakly interacting massive particles. Gram-scale cryogenic calorimeters provide the required detector performance detect these extend direct search program of CRESST. A prototype 0.5 g sapphire developed $$\nu $$ -cleus experiment has achieved an energy threshold $$E_{th}=(19.7\pm 0.9)$$ eV. This is one order magnitude lower than previous devices...
Neutrinoless double-beta (0<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math>) decay is a hypothesized lepton-number-violating process that offers the only known means of asserting possible Majorana nature neutrino mass. The Cryogenic Underground Observatory for Rare Events (CUORE) an upcoming experiment designed to search 0<mml:math id="M2"><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math>decay...
The Cryogenic Underground Observatory for Rare Events (CUORE) is designed to search neutrinoless double beta decay of 130Te with an array 988 TeO2 bolometers operating at temperatures around 10 mK. experiment currently being commissioned in Hall A Laboratori Nazionali del Gran Sasso, Italy. goal CUORE reach a 90\% C.L. exclusion sensitivity on the \tect half-life 9$\times$10$^{25}$ years after 5\,years data taking. main issue be addressed accomplish this aim rate background events region...
We report on the measurement of two-neutrino double beta decay half-life $^{130}$Te with CUORE-0 detector. From an exposure 33.4 kg$\cdot$y TeO$_2$, is determined to be $T_{1/2}^{2\nu}$ = [8.2 $\pm$ 0.2 (stat.) 0.6 (syst.)] $\times$ 10$^{20}$y. This result obtained after a detailed reconstruction sources responsible for counting rate, specific study those contributing neutrinoless region interest.
Neutrinoless double beta decay ( $$0\nu \beta $$ ) is one of the most sensitive probes for physics beyond Standard Model, providing unique information on nature neutrinos. In this paper we review status and outlook bolometric searches. We summarize recent advances in background suppression demonstrated using bolometers with simultaneous readout heat light signals. simulate several configurations a future CUORE-like bolometer array which would utilize these improvements present sensitivity...
We report the result of search for neutrinoless double beta decay 82Se obtained with CUPID-0, first large array scintillating Zn82Se cryogenic calorimeters implementing particle identification. observe no signal in a 1.83 kg yr exposure, and we set most stringent lower limit on 0νββ half-life T0ν1/2>2.4×1024 (90% credible interval), which corresponds to an effective Majorana neutrino mass mββ<(376–770) meV depending nuclear matrix element calculations. The heat-light readout provides...
Abstract The CRESST experiment (Cryogenic Rare Even Search with Superconducting Thermometers), located at Laboratori Nazionali del Gran Sasso in Italy, searches for dark matter particles via their elastic scattering off nuclei a target material. consists of scintillating CaWO 4 crystals, which are operated as cryogenic calorimeters millikelvin temperatures. Each interaction the crystal produces phonon signal and light that is measured by second calorimeter. Since CRESST-II result 2015,...
CUPID-0 is the first pilot experiment of CUPID, a next-generation project for measurement neutrinoless double beta decay ($0\ensuremath{\nu}\mathrm{DBD}$) with scintillating bolometers. The detector, consisting 24 enriched and 2 natural ZnSe crystals, has been taking data at Laboratori Nazionali del Gran Sasso from June 2017 to December 2018, collecting $^{82}\mathrm{Se}$ exposure $5.29\text{ }\text{ }\mathrm{kg}\ifmmode\times\else\texttimes\fi{}\mathrm{yr}$. In this Letter we present...
We present limits on the spin-independent interaction cross section of dark matter particles with silicon nuclei, derived from data taken a cryogenic calorimeter 0.35 g target mass operated in CRESST-III experiment. A baseline nuclear recoil energy resolution (1.36±0.05) eVnr, currently lowest reported for macroscopic particle detectors, and corresponding threshold (10.0±0.2) eVnr have been achieved, improving sensitivity to light masses below 160 MeV/c2 by factor up 20 compared previous...
The CUORE experiment will search for neutrinoless double-beta decay of 130Te with an array 988 TeO2 bolometers arranged in 19 towers. CUORE-0, the first tower assembled according to procedures, was built and commissioned at Laboratori Nazionali del Gran Sasso, took data from March 2013 2015. In this paper we describe design, construction operation CUORE-0 experiment, emphasis on improvements made over a predecessor Cuoricino. particular, demonstrate that design goals are within reach.
We describe in detail the methods used to obtain lower bound on lifetime of neutrinoless double-beta ($0\nu\beta\beta$) decay $^{130}$Te and associated limit effective Majorana mass neutrino using CUORE-0 detector. is a bolometric detector array located at Laboratori Nazionali del Gran Sasso that was designed validate background reduction techniques developed for CUORE, next-generation experiment scheduled come online 2016. also competitive $0\nu\beta\beta$ search its own right functions as...
We measured two-neutrino double beta decay of $^{130}\mathrm{Te}$ using an exposure 300.7 kg yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra experimental data, it was possible disentangle all major background sources and precisely measure contribution. The half-life is in agreement past measurements strongly reduced uncertainty:...