A5045916936- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Autoimmune Bullous Skin Diseases
- Astrophysics and Cosmic Phenomena
- Medicine and Dermatology Studies History
- Cutaneous lymphoproliferative disorders research
- Particle accelerators and beam dynamics
- Particle Detector Development and Performance
- High-Energy Particle Collisions Research
- Urticaria and Related Conditions
- Atomic and Subatomic Physics Research
- Autoimmune and Inflammatory Disorders
- Climate Change Communication and Perception
- Muon and positron interactions and applications
- Quantum Chromodynamics and Particle Interactions
- Nail Diseases and Treatments
- Eosinophilic Disorders and Syndromes
- Dermatological and Skeletal Disorders
- Employment and Welfare Studies
- Radio Frequency Integrated Circuit Design
- Systemic Sclerosis and Related Diseases
- Vascular Tumors and Angiosarcomas
- Genetic and rare skin diseases.
- Labor Movements and Unions
Los Alamos National Laboratory
2021-2024
University of Cincinnati
2024
New Mexico State University
2024
Colorado State University
2024
Louisiana State University
2024
University of Rochester
2015-2024
Los Alamos Medical Center
2022-2024
Nankai University
2024
Minerva Foundation
2023
University of Warwick
2010-2018
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,...
Knowledge of the neutrino flux produced by Neutrinos at Main Injector (NuMI) beamline is essential to oscillation and interaction measurements MINERvA, MINOS+, NOvA MicroBooNE experiments Fermi National Accelerator Laboratory. We have a prediction which uses all available relevant hadron production data, incorporating particle off thin targets as well yields from spare NuMI target exposed 120 GeV proton beam. The result most precise achieved for beam in one tens energy region. also compared...
Two different nuclear-medium effects are isolated using a low three-momentum transfer subsample of neutrino-carbon scattering data from the MINERvA neutrino experiment. The observed hadronic energy in charged-current $\nu_\mu$ interactions is combined with muon kinematics to permit separation quasielastic and $\Delta$(1232) resonance processes. First, we observe small cross section at very that matches expected screening effect long-range nucleon correlations. Second, additions event rate...
Abstract Scattering of high energy particles from nucleons probes their structure, as was done in the experiments that established non-zero size proton using electron beams 1 . The use charged leptons scattering enables measuring distribution electric charges, which is encoded vector form factors nucleon 2 weakly interacting neutrinos gives opportunity to measure both and axial nucleon, providing an additional, complementary probe structure. transition factor, F A , can be measured neutrino...
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...
Results on the nucleon structure function, $\ensuremath{\nu}{W}_{2}$, are presented for $0.2<~{q}^{2}<~50$ ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$ and $5<~\ensuremath{\nu}<~130$ GeV. They were obtained by scattering 147-GeV positive muons inelastically from a liquid deuterium target.
Charged pion production via charged-current ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ interactions on plastic scintillator (CH) is studied using the MINERvA detector exposed to NuMI wideband neutrino beam at Fermilab. Events with hadronic invariant mass $W<1.4\text{ }\text{ }\mathrm{GeV}$ and $W<1.8\text{ are selected in separate analyses: lower $W$ cut isolates single production, which expected occur primarily through $\mathrm{\ensuremath{\Delta}}(1232)$ resonance, while results from higher...
Neutrino-induced coherent charged pion production on nuclei νμA→μ(±)π(∓)A is a rare, inelastic interaction in which small squared four-momentum |t| transferred to the recoil nucleus, leaving it intact reaction. In scintillator tracker of MINERvA, we remove events with evidence particles from nuclear breakup and reconstruct final-state muon. We select low isolate sample rich candidates. By selecting events, produce model-independent measurement differential cross section for scattering...
Final-state kinematic imbalances are measured in mesonless production of ν_{μ}+A→μ^{-}+p+X the MINERvA tracker. Initial- and final-state nuclear effects probed using direction μ^{-}-p transverse momentum imbalance initial-state struck neutron. Differential cross sections compared to predictions based on current approaches medium modeling. These models underpredict section at intermediate intranuclear transfers that generally exceed Fermi momenta. As neutrino interaction need correctly...
Muon-neutrino elastic scattering on electrons is an observable neutrino process whose cross section precisely known. Consequently a measurement of this in accelerator-based $\nu_\mu$ beam can improve the knowledge absolute flux impinging upon detector; typically limited to $\sim$ 10% due uncertainties hadron production and focusing. We have isolated sample 135 $\pm$ 17 neutrino-electron candidates segmented scintillator detector MINERvA, after subtracting backgrounds correcting for...
Because of the appearance and consistency lesions, Bean<sup>2</sup>has given name blue rubber bleb nevus to a variant hemangioma probably first described by Gascoyen.<sup>6</sup>Although century has elapsed since original article appeared, disorder is still not well recognized. Thus far fewer than dozen examples have been reported, only one them in dermatologic literature. We thought it advisable report present case, because its intrinsic interest, but also yet another skin which may be...
Elastic neutrino scattering on electrons is a precisely-known purely leptonic process that provides standard candle for measuring flux in conventional beams. Using total sample of 810 neutino-electron scatters after background subtraction, the measurement reduces normalization uncertainty muon NuMI between 2 and 20 GeV from 7.5% to 3.9%. This most precise neutrino-electron date, will reduce uncertainties MINERvA's absolute cross section measurements, demonstrates technique can be used future...
MINERvA presents a new analysis of neutrino induced quasielastic-like interactions in hydrocarbon tracking target. We report double-differential cross section using the muon transverse and longitudinal momentum. In addition, differential sections as function square four-momentum transferred energy are calculated quasielastic hypothesis. Finally, an deposited near interaction vertex is presented. These results compared to modified GENIE predictions well NuWro prediction. All use dataset...
We have measured new observables based on the final state kinematic imbalances in mesonless production of ${\ensuremath{\nu}}_{\ensuremath{\mu}}+A\ensuremath{\rightarrow}{\ensuremath{\mu}}^{\ensuremath{-}}+p+X$ MINER\ensuremath{\nu}A tracker. Components muon-proton momentum parallel ($\ensuremath{\delta}{p}_{\mathrm{Ty}}$) and perpendicular ($\ensuremath{\delta}{p}_{\mathrm{Tx}}$) to transfer transverse plane are found be sensitive nuclear effects such as Fermi motion, binding energy,...
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 measurement of the νe-interaction rate in MicroBooNE detector that addresses observed MiniBooNE anomalous low-energy excess (LEE). The approach taken isolates neutrino interactions consistent with kinematics charged-current quasielastic (CCQE) events. topology such signal events has final state one electron, proton, and zero mesons (1e1p). Multiple novel techniques are employed to identify 1e1p state, including particle identification use two methods Deep-Learning-based image...
We report results from a search for neutrino-induced neutral current (NC) resonant $\Delta$(1232) baryon production followed by $\Delta$ radiative decay, with $\langle0.8\rangle$~GeV neutrino beam. Data corresponding to MicroBooNE's first three years of operations (6.80$\times$10$^{20}$ protons on target) are used select single-photon events one or zero and without charged leptons in the final state ($1\gamma1p$ $1\gamma0p$, respectively). The background is constrained via an in-situ...
We report a measurement of the energy-dependent total charged-current cross section σ(E_{ν}) for inclusive muon neutrinos scattering on argon, as well measurements flux-averaged differential sections function energy and hadronic transfer (ν). Data corresponding to 5.3×10^{19} protons target exposure were collected using MicroBooNE liquid argon time projection chamber located in Fermilab booster neutrino beam with mean approximately 0.8 GeV. The mapping between true E_{ν} reconstructed...
We report a search for an anomalous excess of inclusive charged-current (CC) νe interactions using the Wire-Cell event reconstruction package in MicroBooNE experiment, which is motivated by previous observation low-energy (LEE) electromagnetic events from MiniBooNE experiment. With single liquid argon time projection chamber detector, measurements νμ CC as well π0 are used to constrain signal and background predictions interactions. A data set collected February 2016 July 2018 corresponding...
Abstract Primary challenges for current and future precision neutrino experiments using liquid argon time projection chambers (LArTPCs) include understanding detector effects quantifying the associated systematic uncertainties. This paper presents a novel technique assessing propagating LArTPC detector-related The makes modifications to simulation waveforms based on parameterization of observed differences in ionization signals from TPC between data simulation, while remaining insensitive...
We report measurements of radon progeny in liquid argon within the MicroBooNE time projection chamber (LArTPC). The presence specific daughters MicroBooNE’s 85 metric tons active bulk is probed with newly developed charge-based low-energy reconstruction tools and analysis techniques to detect correlated <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"...
Abstract Melanoma growth stimulatory activity (MGSA) was originally described as an endogenous factor for human melanoma cells. To test the hypothesis that MGSA autocrine loop is responsible partial freedom from control observed in nevocytes and cells, response mRNA/protein levels were examined these cells compared with normal melanocytes. As a single agent, or combination other factors, stimulated of epidermal melanocytes well promoters Nevocytes not responsive to exogenous mRNA minimal...
Results on the proton structure function, $\ensuremath{\nu}{W}_{2}$ are presented for $0.3<{q}^{2}<50$ Ge${\mathrm{V}}^{2}$ and $5<\ensuremath{\nu}<130$ GeV. They compared to earlier data displayed demonstrate violations of scaling. Values reported energy-momentum sum rule $R\ensuremath{\equiv}\frac{{\ensuremath{\sigma}}_{L}}{{\ensuremath{\sigma}}_{T}}$ over a limited kinematic region.
Measurements have been made of the inclusive scattering 96, 147, and 219 GeV muons from hydrogen, 147 deuterium. Results are presented for nucleon structure function F2(x,Q2) [≡νW2(x,Q2)] 10<ν<200 0.2<Q2<80 GeV2. The value F2 rises with Q2 at small x, falls large in agreement ideas quantum chromodynamics. An average ratio σLσT≡R=0.52±0.35 has obtained region 0.003<x<0.10 0.4<Q2<30 values this experiment combined those other charged-lepton experiments to determine moments functions. variation...
Separate samples of charged-current pion production events representing two semi-inclusive channels ${\ensuremath{\nu}}_{\ensuremath{\mu}}\text{\ensuremath{-}}\mathrm{CC}({\ensuremath{\pi}}^{+})$ and ${\overline{\ensuremath{\nu}}}_{\ensuremath{\mu}}\text{\ensuremath{-}}\mathrm{CC}({\ensuremath{\pi}}^{0})$ have been obtained using neutrino antineutrino exposures the MINERvA detector. Distributions in kinematic variables based upon ${\ensuremath{\mu}}^{\ifmmode\pm\else\textpm\fi{}}$-track...