Patrick deNiverville
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View article: Measurement of the Liquid Argon Scintillation Pulse Shape Using Differentiable Simulation in the Coherent CAPTAIN-Mills Experiment
Measurement of the Liquid Argon Scintillation Pulse Shape Using Differentiable Simulation in the Coherent CAPTAIN-Mills Experiment Open
The Coherent CAPTAIN-Mills (CCM) experiment is a liquid argon (LAr) light collection detector searching for MeV-scale neutrino and Beyond Standard Model physics signatures. Two hundred 8-inch photomultiplier tubes (PMTs) instrument the 7 t…
View article: First Event-by-Event Identification of Cherenkov Radiation from Sub-MeV Particles in Liquid Argon
First Event-by-Event Identification of Cherenkov Radiation from Sub-MeV Particles in Liquid Argon Open
This Letter reports the event-by-event observation of Cherenkov light from sub-MeV electrons in a high scintillation light-yield liquid argon (LAr) detector by the Coherent CAPTAIN-Mills (CCM) experiment. The CCM200 detector, located at Lo…
View article: Testing meson portal dark sector solutions to the MiniBooNE anomaly at the Coherent CAPTAIN Mills experiment
Testing meson portal dark sector solutions to the MiniBooNE anomaly at the Coherent CAPTAIN Mills experiment Open
A solution to the MiniBooNE excess invoking rare three-body decays of the charged pions and kaons to new states in the MeV mass scale was recently proposed as a dark-sector explanation. This class of solution illuminates the fact that, whi…
View article: Testing Meson Portal Dark Sector Solutions to the MiniBooNE Anomaly at CCM
Testing Meson Portal Dark Sector Solutions to the MiniBooNE Anomaly at CCM Open
A solution to the MiniBooNE excess invoking rare three-body decays of the charged pions and kaons to new states in the MeV mass scale was recently proposed as a dark-sector explanation. This class of solution illuminates the fact that, whi…
View article: Prospects for detecting axionlike particles at the Coherent CAPTAIN-Mills experiment
Prospects for detecting axionlike particles at the Coherent CAPTAIN-Mills experiment Open
We show results from the Coherent CAPTAIN Mills (CCM) 2019 engineering run which begin to constrain regions of parameter space for axionlike particles (ALPs) produced in electromagnetic particle showers in an 800 MeV proton beam dump, and …
View article: The Forward Physics Facility at the High-Luminosity LHC
The Forward Physics Facility at the High-Luminosity LHC Open
High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF)…
View article: The Forward Physics Facility at the High-Luminosity LHC
The Forward Physics Facility at the High-Luminosity LHC Open
High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF)…
View article: Quasi-sterile neutrinos from dark sectors. Part I. BSM matter effects in neutrino oscillations and the short-baseline anomalies.
Quasi-sterile neutrinos from dark sectors. Part I. BSM matter effects in neutrino oscillations and the short-baseline anomalies. Open
A bstract Quasi-sterile neutrinos are a natural consequence of dark sectors interacting with the Standard Model (SM) sector via neutrino- and vector-portals. Essentially, quasi-sterile neutrinos are light dark sector fermions with two gene…
View article: Snowmass 2021 Rare & Precision Frontier (RF6): Dark Matter Production at Intensity-Frontier Experiments
Snowmass 2021 Rare & Precision Frontier (RF6): Dark Matter Production at Intensity-Frontier Experiments Open
Dark matter particles can be observably produced at intensity-frontier experiments, and opportunities in the next decade will explore important parameter space motivated by thermal DM models, the dark sector paradigm, and anomalies in data…
View article: First Leptophobic Dark Matter Search from the Coherent–CAPTAIN-Mills Liquid Argon Detector
First Leptophobic Dark Matter Search from the Coherent–CAPTAIN-Mills Liquid Argon Detector Open
We report the first results of a search for leptophobic dark matter (DM) from the Coherent-CAPTAIN-Mills (CCM) liquid argon (LAr) detector. An engineering run with 120 photomultiplier tubes (PMTs) and 17.9×10^{20} protons on target (POT) w…
View article: SBN-BD: O(10 GeV) Proton Beam Dump at Fermilab’s PIP-II Linac
SBN-BD: O(10 GeV) Proton Beam Dump at Fermilab’s PIP-II Linac Open
Proton beam dumps are prolific sources of mesons enabling a powerful technique to search for vector mediator coupling of dark matter to neutral pion and higher mass meson decays. By the end of the decade the PIP-II linac will be delivering…
View article: SBN-BD: $\mathcal{O}$(10 GeV) Proton Beam Dump at Fermilab's PIP-II Linac
SBN-BD: $\mathcal{O}$(10 GeV) Proton Beam Dump at Fermilab's PIP-II Linac Open
Proton beam dumps are prolific sources of mesons enabling a powerful technique to search for vector mediator coupling of dark matter to neutral pion and higher mass meson decays. By the end of the decade the PIP-II linac will be delivering…
View article: PIP2-BD: GeV Proton Beam Dump at Fermilab's PIP-II Linac
PIP2-BD: GeV Proton Beam Dump at Fermilab's PIP-II Linac Open
The PIP-II superconducting RF linac is currently under construction at Fermilab and is expected to be completed by the end of 2028. PIP-II is capable of operating in a continuous-wave mode and can concurrently supply 800 MeV protons to a m…
View article: Physics Opportunities for the Fermilab Booster Replacement
Physics Opportunities for the Fermilab Booster Replacement Open
This white paper presents opportunities afforded by the Fermilab Booster Replacement and its various options. Its goal is to inform the design process of the Booster Replacement about the accelerator needs of the various options, allowing …
View article: SBN-BD: $\mathcal{O}$(10 GeV) Proton Beam Dump at Fermilab's PIP-II Linac
SBN-BD: $\mathcal{O}$(10 GeV) Proton Beam Dump at Fermilab's PIP-II Linac Open
Proton beam dumps are prolific sources of mesons enabling a powerful technique to search for vector mediator coupling of dark matter to neutral pion and higher mass meson decays. By the end of the decade the PIP-II linac will be delivering…
View article: Quasi-Sterile Neutrinos from Dark Sectors I. BSM matter effects in neutrino oscillations and the short-baseline anomalies
Quasi-Sterile Neutrinos from Dark Sectors I. BSM matter effects in neutrino oscillations and the short-baseline anomalies Open
Quasi-sterile neutrinos are a natural consequence of dark sectors interacting with the Standard Model (SM) sector via neutrino- and vector-portals. Essentially, quasi-sterile neutrinos are light dark sector fermions with two generic proper…
View article: Dark Sector Studies with Neutrino Beams
Dark Sector Studies with Neutrino Beams Open
An array of powerful neutrino-beam experiments will study the fundamental properties of neutrinos with unprecedented precision in the coming years. Along with their primary neutrino-physics motivations, there has been growing recognition t…
View article: First Leptophobic Dark Matter Search from Coherent CAPTAIN-Mills
First Leptophobic Dark Matter Search from Coherent CAPTAIN-Mills Open
We report the first results of a search for leptophobic dark matter (DM) from the Coherent CAPTAIN-Mills (CCM) liquid argon (LAr) detector. An engineering run with 120 photomultiplier tubes (PMTs) and $17.9 \times 10^{20}$ protons-on-targe…
View article: Dark Photon and Muon <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>g</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn></mml:math> Inspired Inelastic Dark Matter Models at the High-Energy Intensity Frontier
Dark Photon and Muon Inspired Inelastic Dark Matter Models at the High-Energy Intensity Frontier Open
We study hidden-sector particles at past (CERN-Hamburg-Amsterdam-Rome-Moscow Collaboration and NuCal), present (NA62, SeaQuest, and DarkQuest), and future (LongQuest) experiments at the high-energy intensity frontier. We focus on exploring…
View article: New searches at reactor experiments based on the dark axion portal
New searches at reactor experiments based on the dark axion portal Open
A nuclear reactor is a powerful tool to study neutrinos and light dark sector particles. Some reactor experiments have already proven to be extremely useful in these searches. Considering the great interest in the power of the Intensity Fr…
View article: Sub-GeV dark matter production at fixed-target experiments
Sub-GeV dark matter production at fixed-target experiments Open
We analyze the sensitivity of fixed-target experiments to sub-GeV thermal\nrelic dark matter models, accounting for variations in both mediator and dark\nmatter mass, and including dark matter production through both on- and\noff-shell med…
View article: Hunt for sub-GeV dark matter at neutrino facilities: A survey of past and present experiments
Hunt for sub-GeV dark matter at neutrino facilities: A survey of past and present experiments Open
We survey the sensitivity of past and present neutrino experiments to MeV-GeV scale vector portal dark matter and find that these experiments possess novel sensitivity that has not yet fully explored. Taking αD=0.1 and a dark photon to dar…
View article: Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals
Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals Open
We investigate the implications of the dark axion portal interaction, the axion-photon-dark photon vertex, for the future experiments SHiP and FASER. We also study the phenomenology of the combined vector portal (kinetic mixing of the phot…
View article: Dark matter search in nucleon, pion, and electron channels from a proton beam dump with MiniBooNE
Dark matter search in nucleon, pion, and electron channels from a proton beam dump with MiniBooNE Open
A search for sub-GeV dark matter produced from collisions of the Fermilab 8 GeV Booster protons with a steel beam dump was performed by the MiniBooNE-DM collaboration using data from $1.86 \\times 10^{20}$ protons on target in a dedicated …
View article: Implications of the dark axion portal for the muon g-2 and B-factories
Implications of the dark axion portal for the muon g-2 and B-factories Open
The dark axion portal is a recently introduced portal between the standard model and the dark sector. It connects both the dark photon and the axion (or axion-like particle) to the photon simultaneously through an anomaly triangle. While t…
View article: Dark Matter Search in a Proton Beam Dump with MiniBooNE
Dark Matter Search in a Proton Beam Dump with MiniBooNE Open
The MiniBooNE-DM Collaboration searched for vector-boson mediated production of dark matter using the Fermilab 8-GeV Booster proton beam in a dedicated run with 1.86×10^{20} protons delivered to a steel beam dump. The MiniBooNE detector, 4…
View article: Light dark matter in neutrino beams: Production modeling and scattering signatures at MiniBooNE, T2K, and SHiP
Light dark matter in neutrino beams: Production modeling and scattering signatures at MiniBooNE, T2K, and SHiP Open
We analyze the prospects for detection of light sub-GeV dark matter produced in experiments designed to study the properties of neutrinos, such as MiniBooNE, T2K, SHiP, DUNE etc. We present an improved production model, when dark matter co…
View article: A facility to search for hidden particles at the CERN SPS: the SHiP physics case
A facility to search for hidden particles at the CERN SPS: the SHiP physics case Open
This paper describes the physics case for a new fixed target facility at CERN SPS. The SHiP (search for hidden particles) experiment is intended to hunt for new physics in the largely unexplored domain of very weakly interacting particles …
View article: Searching for hidden sector dark matter with fixed target neutrino experiments
Searching for hidden sector dark matter with fixed target neutrino experiments Open
We study the sensitivity of fixed target neutrino experiments (LSND, T2K, CENNS, and COHERENT) and proton beam dumps (MiniBooNE off-target, and SHiP) to sub-GeV dark matter. In order to reproduce the observed thermal relic abundance, these…