V. Pettinacci
A5001068591- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Nuclear physics research studies
- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Superconducting and THz Device Technology
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Laser-Plasma Interactions and Diagnostics
- Atomic and Subatomic Physics Research
- Cosmology and Gravitation Theories
- Gyrotron and Vacuum Electronics Research
- Quantum Chromodynamics and Particle Interactions
- Optical Systems and Laser Technology
- Distributed and Parallel Computing Systems
- Physics of Superconductivity and Magnetism
- Medical Imaging Techniques and Applications
- Muon and positron interactions and applications
- Radiation Effects in Electronics
- Geophysics and Gravity Measurements
- Quantum and electron transport phenomena
Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
2015-2024
Sapienza University of Rome
2017-2024
Fermi National Accelerator Laboratory
2023-2024
Istituto Nazionale di Fisica Nucleare
2017-2023
University of South Carolina
2014-2021
University of Rome Tor Vergata
2021
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2016-2021
The University of Tokyo
2021
Paul Scherrer Institute
2021
Université Paris-Saclay
2019
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...
Abstract The MEG II experiment, based at the Paul Scherrer Institut in Switzerland, reports result of a search for decay $$\upmu ^+ \rightarrow {\textrm{e}}^+ \upgamma $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msup> <mml:mi>μ</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>→</mml:mo> <mml:mtext>e</mml:mtext> </mml:mrow> <mml:mi>γ</mml:mi> </mml:math> from data taken first physics run 2021. No excess events over expected background is observed, yielding an...
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...
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...
Abstract The MEG II experiment, located at the Paul Scherrer Institut (PSI) in Switzerland, is successor to which completed data taking 2013. started fully operational 2021, with goal of improving sensitivity $$\upmu ^+ \rightarrow {\textrm{e}}^+ \upgamma $$ <mml:math...
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...
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:...
CUPID-0, an array of Zn82Se cryogenic calorimeters, was the first medium-scale demonstrator scintillating bolometers' technology. The project phase (March 2017–December 2018) allowed most stringent limit on neutrinoless double beta decay half-life isotope interest, 82Se, to be set. After a six month long detector upgrade, CUPID-0 began its second and last (June 2019–February 2020). In this Letter, we describe search for 82Se with total exposure (phase I+II) 8.82 kg yr−1 isotope. We set...
CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay ^{130}Te. We present the first data analysis with 7.1 kg y total TeO_2 exposure focusing on background measurements and energy resolution. The rates in region interest (2.47 2.57 MeV) {\alpha} background-dominated (2.70 3.90 have been measured be 0.071 \pm 0.011 0.019 0.002 counts/keV/kg/y, respectively. latter result represents factor 6 improvement from predecessor...
We report on the measurement of two-neutrino double-$\beta$ decay $^{82}$Se performed for first time with cryogenic calorimeters, in framework CUPID-0~experiment. With an exposure 9.95 kg$\times$yr Zn$^{82}$Se, we determine half-life unprecedented precision level, $T_{1/2}^{2\nu} = [8.60 \pm 0.03 \textrm{(stat.)}~^{+0.17}_{-0.10} \textrm{(syst.)}] \times 10^{19}~\textrm{yr}$. The very high signal-to-background ratio, along detailed reconstruction background sources allowed us to identify...
SABRE aims to directly measure the annual modulation of dark matter interaction rate with NaI(Tl) crystals. A compatible standard hypothesis in which our Galaxy is embedded a halo has been measured by DAMA experiment same target material. Other direct detection experiments, using different materials, seem exclude interpretation such simplest scenario WIMP-nucleon elastic scattering. The carry out an independent search sufficient sensitivity confirm or refute claim. concept and goal obtain...
The MEG experiment took data at the Paul Scherrer Institute in years 2009–2013 to test violation of lepton flavor conservation law, which originates from an accidental symmetry that Standard Model elementary particle physics has, and published most stringent limit on charged violating decay μ+→e+γ: BR(μ+→e+γ) <4.2×10−13 90% confidence level. detector has been upgraded order reach a sensitivity 6×10−14. basic principle II is achieve highest possible using full muon beam intensity (7×107...
Abstract In this technical design report (TDR) executive summary we describe the SABRE South detector to be built at Stawell Underground Physics Laboratory (SUPL). The is designed test long-standing DAMA/LIBRA signal of an annually modulating rate consistent with dark matter by using same target material. Located in Southern Hemisphere, uniquely positioned disentangle seasonal effects. uses seven ultra-high purity NaI(Tl) crystals (with a total mass either 35 kg or 50 kg), hermetically...
The CUPID-0 detector hosted at the Laboratori Nazionali del Gran Sasso, Italy, is first large array of enriched scintillating cryogenic detectors for investigation 82 Se neutrinoless double-beta decay ( 0νββ ). aims measuring a background index in region interest (RoI) level 10 -3 counts/(keV kg years), lowest value ever measured using detectors. operates an Zn bolometers coupled with bolometric light detectors, state art technology suppression and thorough protocols procedures preparation...
The suppression of spurious events in the region interest for neutrinoless double beta decay will play a major role next generation experiments. background detectors based on technology cryogenic calorimeters is expected to be dominated by {\alpha} particles, that could disentangled from signals exploiting difference emission scintillation light. CUPID-0, an array enriched Zn$^{82}$Se scintillating calorimeters, first large mass demonstrator this technology. detector started data-taking 2017...
We present the search for Lorentz violation in double beta decay of $^{82}\mathrm{Se}$ with CUPID-0, using an exposure $9.95\text{ }\text{ }\mathrm{kg}\ifmmode\times\else\texttimes\fi{}\mathrm{yr}$. found no evidence searched signal and set a limit on isotropic components violating coefficient ${\stackrel{\ensuremath{\circ}}{a}}_{\mathrm{of}}^{(3)}<4.1\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}\text{ }\mathrm{GeV}$ (90% credible interval). This results is obtained Bayesian...
Ultra-pure NaI(Tl) crystals are the key element for a model-independent verification of long standing DAMA result and powerful means to search annual modulation signature dark matter interactions. The SABRE collaboration has been developing cutting-edge techniques reduction intrinsic backgrounds over several years. In this paper we report first characterization 3.4 kg crystal, named NaI-33, performed in an underground passive shielding setup at LNGS. NaI-33 record low $^{39}$K contamination...