C. Mariani
A5090415319- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Particle accelerators and beam dynamics
- Atomic and Subatomic Physics Research
- Muon and positron interactions and applications
- Nuclear Physics and Applications
- Nuclear physics research studies
- Planetary Science and Exploration
- Radio Frequency Integrated Circuit Design
- Quantum, superfluid, helium dynamics
- Particle Accelerators and Free-Electron Lasers
- Quantum Chromodynamics and Particle Interactions
- Superconducting Materials and Applications
- Radiation Therapy and Dosimetry
- Laser-Plasma Interactions and Diagnostics
- Advanced Fluorescence Microscopy Techniques
- Quantum Mechanics and Applications
- High-Energy Particle Collisions Research
- Noncommutative and Quantum Gravity Theories
- Laser Design and Applications
- Cold Atom Physics and Bose-Einstein Condensates
Virginia Tech
2016-2025
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2024
University of Cincinnati
2020-2024
Politecnico di Milano
2024
D. Mendeleyev University of Chemical Technology of Russia
2023
University of California, Santa Barbara
2020-2022
University of Chicago
2020-2022
Campbell Collaboration
2022
St. Catherine University
2020
RWTH Aachen University
2014
The MiniBooNE experiment at Fermilab reports results from an analysis of $\bar \nu_e$ appearance data $11.27 \times 10^{20}$ protons on target in antineutrino mode, increase approximately a factor two over the previously reported results. An event excess $78.4 \pm 28.5$ events ($2.8 \sigma$) is observed energy range $200<E_\nu^{QE}<1250$ MeV. If interpreted two-neutrino oscillation model, $\bar{\nu}_{\mu}\rightarrow\bar{\nu}_e$, best fit to has probability 66% while background-only...
We present results for ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ oscillation in the KEK to Kamioka (K2K) long-baseline neutrino experiment. K2K uses an accelerator-produced beam with a mean energy of 1.3 GeV directed at Super-Kamiokande detector. observed energy-dependent disappearance ${\ensuremath{\nu}}_{\ensuremath{\mu}}$, which we presume have oscillated ${\ensuremath{\nu}}_{\ensuremath{\tau}}$. The probability that would observe these if there is no 0.0050% ($4.0\ensuremath{\sigma}$).
The MiniBooNE experiment at Fermilab reports results from an analysis of $\nu_e$ appearance data $12.84 \times 10^{20}$ protons on target in neutrino mode, increase approximately a factor two over previously reported results. A charged-current quasielastic event excess $381.2 \pm 85.2$ events ($4.5 \sigma$) is observed the energy range $200<E_\nu^{QE}<1250$~MeV. Combining these with $\bar \nu_e$ $11.27 antineutrino total plus $460.5 99.0$ ($4.7 observed. If interpreted two-neutrino...
The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years ($\mathrm{\text{reactor power}}\ifmmode\times\else\texttimes\fi{}\mathrm{\text{detector mass}}\ifmmode\times\else\texttimes\fi{}\mathrm{\text{live time}}$) exposure using a $10.3\text{ }\text{ }{\mathrm{m}}^{3}$ fiducial volume detector located at 1050 m from the reactor cores of nuclear power plant France. expectation case ${\ensuremath{\theta}}_{13}=0$ is 8937...
The MiniBooNE experiment at Fermilab reports results from an analysis of the combined $ν_e$ and $\bar ν_e$ appearance data $6.46 \times 10^{20}$ protons on target in neutrino mode $11.27 antineutrino mode. A total excess $240.3 \pm 34.5 52.6$ events ($3.8 σ$) is observed combining two sets energy range $200
The Double Chooz experiment presents improved measurements of the neutrino mixing angle θ 13 using data collected in 467.90 live days from a detector positioned at an average distance 1050 m two reactor cores nuclear power plant. Several novel techniques have been developed to achieve significant reductions backgrounds and systematic uncertainties with respect previous publications, whereas efficiency $$ {\overline{\nu}}_e signal has increased. value is measured be sin2 2θ = 0.090 − 0.029 +...
The MiniBooNE experiment at Fermilab reports a total excess of $638.0\ifmmode\pm\else\textpm\fi{}52.1(\mathrm{stat}.)\ifmmode\pm\else\textpm\fi{}122.2(\mathrm{syst}.)$ electronlike events from data sample corresponding to $18.75\ifmmode\times\else\texttimes\fi{}{10}^{20}$ protons-on-target in neutrino mode, which is 46% increase the with respect previously published results and $11.27\ifmmode\times\else\texttimes\fi{}{10}^{20}$ antineutrino mode. overall significance excess,...
We present a measurement of ν_{e} interactions from the Fermilab Booster Neutrino Beam using MicroBooNE liquid argon time projection chamber to address nature excess low energy observed by MiniBooNE Collaboration. Three independent searches are performed across multiple single electron final states, including an exclusive search for two-body scattering events with proton, semi-inclusive pionless events, and fully inclusive containing all hadronic states. With differing signal topologies,...
Abstract The ICARUS liquid argon time projection chamber (LArTPC) neutrino detector has been taking physics data since 2022 as part of the Short-Baseline Neutrino (SBN) Program. This paper details equalization response to charge in (TPC), well data-driven tuning simulation ionization signals and electronics noise. procedure removes non-uniformities TPC space time. work leverages copious number cosmic ray muons available at surface. signal shape applies a novel that tunes match what is...
The weak nucleon axial-vector form factor for quasi-elastic interactions is determined using neutrino interaction data from the K2K Scintillating Fiber detector in beam at KEK. More than 12,000 events are analyzed, of which half charged-current nu-mu n to mu- p occurring primarily oxygen nuclei. We use a relativistic Fermi gas model and assume approximately dipole with one parameter, axial vector mass M_A, fit shape distribution square momentum transfer nucleus. Our best result M_A = 1.20...
The largest sample ever recorded of ${\overline{\ensuremath{\nu}}}_{\ensuremath{\mu}}$ charged-current quasielastic (CCQE, ${\overline{\ensuremath{\nu}}}_{\ensuremath{\mu}}+p\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}+n$) candidate events is used to produce the minimally model-dependent, flux-integrated double-differential cross section $\frac{{d}^{2}\ensuremath{\sigma}}{d{T}_{\ensuremath{\mu}}d\mathrm{cos}{\ensuremath{\theta}}_{\ensuremath{\mu}}}$ for CCQE a mineral oil target. This...
The development and operation of liquid-argon time-projection chambers for neutrino physics has created a need new approaches to pattern recognition in order fully exploit the imaging capabilities offered by this technology. Whereas human brain can excel at identifying features recorded events, it is significant challenge develop an automated, algorithmic solution. Pandora Software Development Kit provides functionality aid design implementation pattern-recognition algorithms. It promotes...
The Double Chooz experiment has determined the value of neutrino oscillation parameter $\theta_{13}$ from an analysis inverse beta decay interactions with neutron capture on hydrogen. This uses a three times larger fiducial volume than standard assessment, which is restricted to region doped gadolinium (Gd), yielding exposure 113.1 GW-ton-years. data sample used in this distinct that Gd analysis, and systematic uncertainties are also largely independent, some exceptions, such as reactor flux...
We describe the concept and procedure of drifted-charge extraction developed in MicroBooNE experiment, a single-phase liquid argon time projection chamber (LArTPC). This technique converts raw digitized TPC waveform to number ionization electrons passing through wire plane at given time. A robust recovery from both induction collection anode planes will augment 3D reconstruction, is particularly important for tomographic reconstruction algorithms. building blocks overall are described. The...
We present several studies of convolutional neural networks applied to data coming from the MicroBooNE detector, a liquid argon time projection chamber (LArTPC). The algorithms studied include classification single particle images, localization and neutrino interactions in an image, detection simulated event overlaid with cosmic ray backgrounds taken real detector data. These demonstrate potential for identification or on interactions. also address technical issues that arise when applying...
The single-phase liquid argon time projection chamber (LArTPC) provides a large amount of detailed information in the form fine-grained drifted ionization charge from particle traces. To fully utilize this information, deposited must be accurately extracted raw digitized waveforms via robust signal processing chain. Enabled by ultra-low noise levels associated with cryogenic electronics MicroBooNE detector, precise extraction induction wire planes LArTPC is qualitatively demonstrated on data...
The low-noise operation of readout electronics in a liquid argon time projection chamber (LArTPC) is critical to properly extract the distribution ionization charge deposited on wire planes TPC, especially for induction planes. This paper describes characteristics and mitigation observed noise MicroBooNE detector. MicroBooNE's single-phase LArTPC comprises two one collection sense plane with total 8256 wires. Current induced each TPC amplified shaped by custom low-power, ASICs immersed...
We have developed a convolutional neural network that can make pixel-level prediction of objects in image data recorded by liquid argon time projection chamber (LArTPC) for the first time. describe design, training techniques, and software tools to train this network. The goal work is develop complete deep based reconstruction chain MicroBooNE detector. show demonstration network's validity on real LArTPC using collection plane images. performed stopping muon...
This article presents a measurement of νe interactions without pions in the final state using MicroBooNE experiment and an investigation into excess low-energy electromagnetic events observed by MiniBooNE Collaboration. The is performed exclusive channels with (1eNp0π) (1e0p0π) visible final-state protons 6.86×1020 on target data collected from Booster Neutrino Beam at Fermilab. Events are reconstructed Pandora pattern recognition toolkit selected additional topological information liquid...
We present a search for eV-scale sterile neutrino oscillations in the MicroBooNE liquid argon detector, simultaneously considering all possible appearance and disappearance effects within 3+1 active-to-sterile oscillation framework. analyze candidate events recent measurements of charged-current ν_{e} ν_{μ} interactions using data corresponding to an exposure 6.37×10^{20} protons on target from Fermilab booster beam. observe no evidence light derive exclusion contours at 95% confidence level...
The SciBooNE and MiniBooNE collaborations report the results of a ν_μdisappearance search in Δm^2 region 0.5-40 eV^2. neutrino rate as measured by tracking detectors is used to constrain at Cherenkov detector first joint analysis data from both collaborations. Two separate analyses combined samples set 90% confidence level (CL) limits on eV^2 region, with an improvement over previous experimental constraints between 10 30
The SciBooNE Collaboration reports a measurement of inclusive charged current interactions muon neutrinos on carbon with an average energy 0.8 GeV using the Fermilab Booster Neutrino Beam. We compare our two neutrino interaction simulations: NEUT and NUANCE. rates (product flux cross section) are extracted by fitting kinematics, precision 6-15% for dependent 3% integrated analyses. also extract CC sections from observed rates, 10-30% 8% This is first section around 1 GeV. These results can...
The Double Chooz collaboration presents a measurement of the neutrino mixing angle θ 13 using reactor $$ \overline{\nu_{\mathrm{e}}} observed via inverse beta decay reaction in which neutron is captured on hydrogen. This based 462.72 live days data, approximately twice as much data previous such analysis, collected with detector positioned at an average distance 1050 m from two cores. Several novel techniques have been developed to achieve significant reductions backgrounds and systematic...
We report the first measurement of double-differential and total muon neutrino charged current inclusive cross sections on argon at a mean energy 0.8 GeV. Data were collected using MicroBooNE liquid time projection chamber located in Fermilab Booster beam correspond to 1.6×10^{20} protons target exposure. The measured differential are presented as function momentum, multiple Coulomb scattering momentum technique, angle with respect direction. compare event generators find better agreement...