A5107930280- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Atmospheric Ozone and Climate
- Solar and Space Plasma Dynamics
- Advanced NMR Techniques and Applications
- Astro and Planetary Science
- Particle Detector Development and Performance
- Nuclear Physics and Applications
- Gamma-ray bursts and supernovae
- Cosmology and Gravitation Theories
- NMR spectroscopy and applications
- Quantum, superfluid, helium dynamics
- Advanced Physical and Chemical Molecular Interactions
- Molecular Spectroscopy and Structure
- Computational Physics and Python Applications
- Pulsars and Gravitational Waves Research
- Solar Radiation and Photovoltaics
- Neonatal Health and Biochemistry
- Radioactive contamination and transfer
- Advanced Chemical Physics Studies
Johannes Gutenberg University Mainz
2017-2024
Princeton University
2017-2022
Istituto Nazionale di Fisica Nucleare, Sezione di Genova
2022
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2019-2022
Kurchatov Institute
2020-2021
Istituto Nazionale di Fisica Nucleare, Sezione di Milano
2018-2020
University of Milan
2020
RWTH Aachen University
2020
Forschungszentrum Jülich
2020
University of Genoa
2020
A search for the solar neutrino effective magnetic moment has been performed using data from 1291.5 days exposure during second phase of Borexino experiment. No significant deviations expected shape electron recoil spectrum neutrinos have found, and a new upper limit on $\mu_{\nu}^{eff}$ $<$ 2.8$\cdot$10$^{-11}$ $\mu_{B}$ at 90\% c.l. set constraints sum fluxes implied by radiochemical gallium experiments.Using moment, limits moments flavor states, elements matrix Dirac Majorana neutrinos,...
We present the simultaneous measurement of interaction rates ${R}_{pp}$, ${R}_{\mathrm{Be}}$, ${R}_{pep}$ $pp$, $^{7}\mathrm{Be}$, and $pep$ solar neutrinos performed with a global fit to Borexino data in an extended energy range (0.19--2.93) MeV particular attention details analysis methods. This result was obtained by analyzing 1291.51 days Phase-II data, collected after extensive scintillator purification campaign. Using counts per day $(\mathrm{cpd})/100\text{ }\mathrm{ton}$ as unit, we...
Abstract New developments in liquid scintillators, high-efficiency, fast photon detectors, and chromatic sorting have opened up the possibility for building a large-scale detector that can discriminate between Cherenkov scintillation signals. Such could reconstruct particle direction species using light while also having excellent energy resolution low threshold of scintillator detector. Situated deep underground, utilizing new techniques computing reconstruction, this achieve unprecedented...
We present an improved measurement of the carbon-nitrogen-oxygen (CNO) solar neutrino interaction rate at Earth obtained with complete Borexino Phase-III dataset. The measured rate, R_{CNO}=6.7_{-0.8}^{+2.0} counts/(day×100 tonnes), allows us to exclude absence CNO signal about 7σ C.L. correspondent flux is 6.6_{-0.9}^{+2.0}×10^{8} cm^{-2} s^{-1}, taking into account flavor conversion. use new evaluate C and N abundances in Sun respect H abundance for first time neutrinos. Our result...
This paper presents a comprehensive geoneutrino measurement using the Borexino detector, located at Laboratori Nazionali del Gran Sasso (LNGS) in Italy. The analysis is result of 3262.74 days data between December 2007 and April 2019. describes improved techniques optimized selection, which includes enlarged fiducial volume sophisticated cosmogenic veto. reported exposure (1.29±0.05)×1032 protons ×year represents an increase by factor two over previous 2015. By observing...
We report the first measurement of CNO solar neutrinos by Borexino that uses Correlated Integrated Directionality (CID) method, exploiting sub-dominant Cherenkov light in liquid scintillator detector. The directional information origin is preserved fast photons from neutrino scattered electrons, and used to discriminate between signal background. independent spectral on which previous measurements were based. While analysis could only be applied Phase-III dataset, can use complete data...
We have measured the flux of cosmic muons in Laboratori Nazionali del Gran Sasso at 3800 m w.e. to be (3.432 ± 0.003)⋅ 10−4 m−2s−1 based on ten years Borexino data acquired between May 2007 and 2017. A seasonal modulation with a period (366.3 0.6) d relative amplitude (1.36 ±0.04)% is observed. The phase (181.7 0.4) d, corresponding maximum 1st July. Using inferred from global atmospheric models, we show muon positively correlated temperature measure effective coefficient αT = 0.90 0.02....
Liquid scintillator detectors play a central role in the detection of neutrinos from various sources. In particular, it is only technique used so far for precision spectroscopy sub-MeV solar neutrinos, as demonstrated by Borexino experiment at Gran Sasso National Laboratory Italy. The benefit high light yield, and thus low energy threshold good resolution, comes cost directional information featured water Cherenkov detectors, measuring 8B above few MeV. this paper we provide first...
Abstract Neutrinos emitted in the carbon, nitrogen, oxygen (CNO) fusion cycle Sun are a sub-dominant, yet crucial component of solar neutrinos whose flux has not been measured yet. The Borexino experiment at Laboratori Nazionali del Gran Sasso (Italy) unique opportunity to detect them directly thanks detector’s radiopurity and precise understanding detector backgrounds. We discuss sensitivity CNO neutrinos, which is based on strategies we adopted constrain rates two most relevant background...
Abstract The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton water Cherenkov neutrino detector installed on the Booster Beam (BNB) at Fermilab. Its main physics goals are to perform measurement of neutron yield from neutrino-nucleus interactions, as well charged-current cross section muon neutrinos. An equally important focus research and development new technologies target media. Specifically, water-based liquid scintillator (WbLS) interest novel medium, it allows...
We present the results of a low-energy neutrino search using Borexino detector in coincidence with gravitational wave (GW) events GW150914, GW151226 and GW170104. searched for correlated energies greater than 250 keV within time window $\pm500$ s centered around GW detection time. A total five candidates were found all three This is consistent number expected solar background events. As result, we have obtained best current upper limits on event fluence flavors ($\nu_e, \nu_{\mu},...
Abstract Cosmogenic radio-nuclei are an important source of background for low-energy neutrino experiments. In Borexino, cosmogenic $$^{11}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow /> <mml:mn>11</mml:mn> </mml:msup> </mml:math> C decays outnumber solar pep and CNO events by about ten to one. order extract the flux these two species, a highly efficient identification this is mandatory. We present here details most consolidated strategy, used throughout...
The search for neutrino events in correlation with gravitational wave (GW) three observing runs (O1, O2 and O3) from 09/2015 to 03/2020 has been performed using the Borexino data-set of same period. We have searched signals neutrino-electron scattering visible energies above 250 keV within a time window 1000 s centered at detection moment particular GW event. was done energy thresholds 0.25, 0.8 3.0 MeV.Two types incoming spectra were considered: mono-energetic line spectrum expected...
Abstract Borexino is a 300 ton sub-MeV liquid scintillator solar neutrino detector which has been running at the Laboratori Nazionali del Gran Sasso (Italy) since 2007. Thanks to its unprecedented radio-purity, it was able measure flux of 7 Be, 8 B, pp, and pep neutrinos detect geo-neutrinos. A reliable simulation an invaluable tool for all physics analyses. The accounts energy loss particles in components, generation scintillation photons, their propagation within volume, detailed...
We describe the design and performance of a high precision thermal calorimeter, whose purpose was measurement total activity 144Ce-144Pr anti-neutrino source SOX (Short distance neutrino Oscillation with BoreXino) experiment. aimed at search for eV-scale sterile neutrinos by means Borexino detector Laboratori Nazionali del Gran Sasso in Italy very powerful artificial located 8.51 m from center. In order to obtain required sensitivity, (approximately 150 kCi) had be known 1% precision. this...
We report the measurement of sub-MeV solar neutrinos through use their associated Cherenkov radiation, performed with Borexino detector at Laboratori Nazionali del Gran Sasso. The is achieved using a novel technique that correlates individual photon hits events to known position Sun. In an energy window between 0.54 0.74 MeV, selected dominant scintillation light, we have measured 10 887_{-2103}^{+2386}(stat)±947(syst) (68% confidence interval) out 19 904 total events. This corresponds...
Borexino, placed at LNGS in Italy, was a 280-ton liquid scintillator detector that took data from May 2007 to October 2021. Thanks its unprecedented radio-purity, the real time spectroscopic measurement of solar neutrinos both \textit{pp}-chain and Carbon-Nitrogen-Oxygen (CNO) fusion cycle Sun has been performed. Borexino also reported first directional sub-MeV $^7$Be with Phase-I period (May 2007-May 2010) using novel technique called Correlated Integrated Directionality (CID), exploiting...