A5090359746- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Nuclear physics research studies
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Cancer Treatment and Pharmacology
- Particle accelerators and beam dynamics
- Medical Imaging Techniques and Applications
- Nuclear Physics and Applications
- Radioactive contamination and transfer
- Superconducting and THz Device Technology
- Advanced NMR Techniques and Applications
- Quantum Chromodynamics and Particle Interactions
- Pneumonia and Respiratory Infections
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2020-2024
Gran Sasso Science Institute
2021-2024
Lawrence Berkeley National Laboratory
2021
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...
Neutrinoless double beta decay (0νββ) is a yet unobserved nuclear process that would demonstrate Lepton number violation, clear evidence of beyond standard model physics. The two neutrino (2νββ) allowed by the and has been measured in numerous experiments. In this Letter, we report measurement 2νββ half-life Mo100 to ground state Ru100 [7.07±0.02(stat)±0.11(syst)]×1018 yr CUPID-Mo experiment. With relative precision ±1.6% most precise date rate Mo100. addition, constrain higher-order...
Abstract The CUPID Collaboration is designing a tonne-scale, background-free detector to search for double beta decay with sufficient sensitivity fully explore the parameter space corresponding inverted neutrino mass hierarchy scenario. One of demonstrators, CUPID-Mo, has proved potential enriched Li $$_{2}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mrow/> <mml:mn>2</mml:mn> </mml:msub> </mml:math> $$^{100}$$ <mml:msup> <mml:mn>100</mml:mn> </mml:msup> MoO...
The ACCESS (Array of Cryogenic Calorimeters to Evaluate Spectral Shapes) project aims establish a novel technique perform precision measurements forbidden \b{eta}-decays, which can serve as an important benchmark for nuclear physics calculations and represent significant background in astroparticle experiments. will operate pilot array cryogenic calorimeters based on natural doped crystals containing \b{eta}-emitting radionuclides. In this way, (e.g. 113 Cd 115In) synthetic isotopes 99Tc) be...
We present the first search for Majoron-emitting modes of neutrinoless double $\ensuremath{\beta}$ decay ($0\ensuremath{\nu}\ensuremath{\beta}\ensuremath{\beta}{\ensuremath{\chi}}_{0}$) using scintillating cryogenic calorimeters. analyzed CUPID-0 Phase I data a Bayesian approach to reconstruct background sources activities, and evaluate potential contribution $^{82}\mathrm{Se}$ $0\ensuremath{\nu}\ensuremath{\beta}\ensuremath{\beta}{\ensuremath{\chi}}_{0}$. considered several possible...
A scintillating bolometer based on a large cubic Li$_{2}$$^{100}$MoO$_4$ crystal (45 mm side) and Ge wafer (scintillation detector) has been operated in the CROSS cryogenic facility at Canfranc underground laboratory Spain. The dual-readout detector is prototype of technology that will be used next-generation $0\nu2\beta$ experiment CUPID. measurements were performed 18 12 mK temperature pulse tube dilution refrigerator. This setup utilizes same as CUORE cryostat host CUPID so represents an...
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...
We report on the results obtained with global CUPID-0 background model, which combines data collected in two measurement campaigns for a total exposure of 8.82 kg×yr ^{82}Se. identify improved precision sources within 3 MeV energy region, where neutrinoless double β decay ^{82}Se and ^{100}Mo is expected, making more solid foundations budget next-generation CUPID experiment. Relying excellent reconstruction, we measure two-neutrino β-decay half-life unprecedented accuracy:...
Current bounds on the neutrino Majorana mass are affected by significant uncertainties in nuclear calculations for neutrinoless double-beta decay. A key issue a data-driven improvement of theory is actual value axial coupling constant <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msub><a:mi>g</a:mi><a:mi mathvariant="normal">A</a:mi></a:msub></a:math>, which can be investigated through forbidden <d:math xmlns:d="http://www.w3.org/1998/Math/MathML"...
CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for next generation $0\nu\beta\beta$ decay experiment, CUPID. It consisted of an array 20 enriched Li$_{2}$$ ^{100}$MoO$_4$ bolometers and Ge light detectors has demonstrated that technology scintillating with particle identification capabilities is mature. Furthermore, CUPID-Mo can inform validate background prediction In this paper, we present detailed model backgrounds. This able to describe well...
An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization detector structure for CROSS and CUPID double-beta decay experiments, was constructed tested in a low-background pulse-tube-based cryostat the Canfranc underground laboratory Spain. Performance scintillating studied depending on size phonon NTD-Ge sensors glued to both LMO absorbers, shape detectors (circular vs. square, from two suppliers),...
Abstract A new study of double beta decay processes in natural Zr isotopes using metal samples and an ultra-low-background high-purity germanium detectors was performed at Laboratori Nazionali del Gran Sasso INFN (Italy). Two data sets were collected with a 736.35 g 129.94 over 59.7 days 37.3 days, respectively, used for detailed analysis. limit on the $$^{94}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow/> <mml:mn>94</mml:mn> </mml:msup> </mml:math> to 1st...
Abstract CUPID-0 is the first pilot experiment of CUPID, a next-generation project searching for neutrinoless double beta decay. In its scientific run, operated 26 ZnSe cryogenic calorimeters coupled to light detectors in underground Laboratori Nazionali del Gran Sasso. this work, we analyzed exposure 11.34 kg year search decay $$^{70}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow /><mml:mn>70</mml:mn></mml:msup></mml:math> Zn and positron-emitting electron...
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...
Current bounds on neutrino Majorana mass are affected by significant uncertainties in the nuclear calculations for neutrinoless double-beta decay. A key issue a data-driven improvement of theory is actual value axial coupling constant $g_A$, which can be investigated through forbidden $\beta$-decays. We present first measurement 4$^{th}$-forbidden $\beta$-decay $^{115}$In with cryogenic calorimeter based Indium Iodide. Exploiting enhanced spectral shape method time to this isotope, our study...
Abstract The CUORE experiment is a large bolometric array searching for the lepton number violating neutrino-less 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:mrow> </mml:math> ) in isotope $$\mathrm {^{130}Te}$$ <mml:msup> <mml:mrow /> <mml:mn>130</mml:mn> </mml:msup> <mml:mi>Te</mml:mi> . In this work we present latest results on two searches (DBD) of to first...