L. Pattavina
A5011491326- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Nuclear physics research studies
- Particle Detector Development and Performance
- Superconducting and THz Device Technology
- Medical Imaging and Pathology Studies
- Nuclear Physics and Applications
- Cosmology and Gravitation Theories
- Scientific Research and Discoveries
- Particle accelerators and beam dynamics
- Quantum, superfluid, helium dynamics
- Nuclear reactor physics and engineering
- Superconducting Materials and Applications
- Muon and positron interactions and applications
- Spacecraft and Cryogenic Technologies
- Advanced NMR Techniques and Applications
- Gaussian Processes and Bayesian Inference
- Atmospheric Ozone and Climate
- Graphite, nuclear technology, radiation studies
- Advanced Thermodynamics and Statistical Mechanics
- Radio Astronomy Observations and Technology
Technical University of Munich
2018-2024
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2015-2024
Istituto Nazionale di Fisica Nucleare
2011-2024
Sapienza University of Rome
2015-2024
Excellence Cluster Origins
2021-2023
Campbell Collaboration
2022-2023
University of Rome Tor Vergata
2020-2023
Max Planck Institute for Physics
2018-2023
Massachusetts Institute of Technology
2021
Gran Sasso Science Institute
2018-2021
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...
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...
The EDELWEISS-II Collaboration has completed a direct search for WIMP dark matter with an array of ten 400-g cryogenic germanium detectors in operation at the Laboratoire Souterrain de Modane. combined use thermal phonon sensors and charge collection electrodes interleaved geometry enables efficient rejection γ-induced radioactivity as well near-surface interactions. A total effective exposure 384 kg d been achieved, mostly coming from fourteen months continuous operation. Five nuclear...
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...
This paper reports on the development of a technology involving $$^{100}\hbox {Mo}$$ -enriched scintillating bolometers, compatible with goals CUPID, proposed next-generation bolometric experiment to search for neutrinoless double-beta decay. Large mass ( $$\sim 1~\hbox {kg}$$ ), high optical quality, radiopure -containing zinc and lithium molybdate crystals have been produced used develop performance single detector modules based 0.2–0.4 kg bolometers. In particular, energy resolution...
Abstract CUPID-Mo is a bolometric experiment to search for neutrinoless double-beta decay ( $$0\nu \beta $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>0</mml:mn><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:mrow></mml:math> ) of $$^{100}\hbox {Mo}$$ xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mrow /><mml:mn>100</mml:mn></mml:msup><mml:mtext>Mo</mml:mtext></mml:mrow></mml:math> . In this article, we detail the detector...
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...
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...
The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, next-generation ton-scale bolometric $0\ensuremath{\nu}\ensuremath{\beta}\ensuremath{\beta}$ experiment. It consists of 4.2 kg array 20 enriched ${\mathrm{Li}}_{2}$$^{100}\mathrm{Mo}{\mathrm{O}}_{4}$ scintillating bolometers to search lepton-number-violating process decay in $^{100}\mathrm{Mo}$. With more than one year operation ($^{100}\mathrm{Mo}$ exposure $1.17\text{ }\text{...
Abstract The CUPID-Mo experiment to search for 0 $$\nu \beta $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>ν</mml:mi> <mml:mi>β</mml:mi> </mml:mrow> </mml:math> decay in $$^{100}$$ <mml:msup> <mml:mrow /> <mml:mn>100</mml:mn> </mml:msup> Mo has been recently completed after about 1.5 years of operation at Laboratoire Souterrain de Modane (France). It served as a demonstrator CUPID, next generation experiment. was comprised 20 enriched $$\hbox {Li}_{{2}}$$...
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...
Scintillating bolometers of ZnSe are the baseline choice LUCIFER experiment, whose aim is to observe neutrinoless double beta decay 82Se. The independent read-out heat and scintillation signals allows identify reject alpha particle interactions, dominant background source for bolometric detectors. In this paper we report performances a crystal operated within R&D. We measured yield, energy resolution in region where signal from 82Se expected with an exposure 9.4 kg x days. With newly...
The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. total data set represents 614 kg.d equivalent exposure. A straightforward method combination was chosen its simplicity before were exchanged between experiments. are interpreted in terms limits on spin-independent WIMP-nucleon cross-section. For a WIMP mass 90 GeV/c^2, where this analysis is most sensitive, cross-section 3.3 x 10^{-44} cm^2 excluded at...
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...
The R&D activity performed during the last years proved potential of ZnSe scintillating bolometers to search for neutrino-less double beta decay, motivating realization first large-mass experiment based on this technology: CUPID-0. isotopic enrichment in [Formula: see text]Se, Zn[Formula: text]Se crystals growth, as well light detectors production have been accomplished, and is now construction at Laboratori Nazionali del Gran Sasso (Italy). In paper we present results obtained testing three...
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....