- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Dark Matter and Cosmic Phenomena
- Quantum Chromodynamics and Particle Interactions
- Neutrino Physics Research
- Particle Detector Development and Performance
- Astrophysics and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Computational Physics and Python Applications
- Black Holes and Theoretical Physics
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Pulsars and Gravitational Waves Research
- Scientific Research and Discoveries
- Cold Atom Physics and Bose-Einstein Condensates
- Quantum, superfluid, helium dynamics
- Mass Spectrometry Techniques and Applications
- Geophysics and Gravity Measurements
- Maritime Transport Emissions and Efficiency
- Atmospheric Ozone and Climate
- Superconducting and THz Device Technology
- Mathematics, Computing, and Information Processing
- advanced mathematical theories
Colorado State University
2021-2024
Max Planck Institute for Nuclear Physics
2011-2022
University of Pittsburgh
2019-2021
AgroParisTech
2021
European Commission
2021
University of Wisconsin–Madison
2016-2018
Menlo School
2013-2016
SLAC National Accelerator Laboratory
2013-2016
Institute of High Energy Physics
2012-2016
Cornell University
2008-2013
This document proposes a collection of simplified models relevant to the design new-physics searches at LHC and characterization their results. Both ATLAS CMS have already presented some results in terms models, we encourage them continue expand this effort, which supplements both signature-based benchmark model interpretations. A is defined by an effective Lagrangian describing interactions small number new particles. Simplified can equally well be described masses cross-sections. These...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay—these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated addressing these questions as it searches leptonic charge-parity symmetry violation, stands...
This document a outlines set of simplified models for dark matter and its interactions with Standard Model particles. It is intended to summarize the main characteristics that these have when applied searches at LHC, provide number useful expressions reference. The list includes both s-channel t-channel scenarios. For s-channel, spin-0 spin-1 mediations are discussed, also realizations where Higgs particle provides portal between visible sectors. guiding principles underpinning proposed...
The sensitivity of the Deep Underground Neutrino Experiment (DUNE) to neutrino oscillation is determined, based on a full simulation, reconstruction, and event selection far detector simulation parameterized analysis near detector. Detailed uncertainties due flux prediction, interaction model, effects are included. DUNE will resolve mass ordering precision 5$\sigma$, for all $\delta_{\mathrm{CP}}$ values, after 2 years running with nominal design beam configuration. It has potential observe...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay—these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. DUNE is an international world-class experiment dedicated addressing these questions as it searches leptonic charge-parity symmetry violation, stands ready capture supernova neutrino bursts,...
The Deep Underground Neutrino Experiment (DUNE), a 40-kton underground liquid argon time projection chamber experiment, will be sensitive to the electron-neutrino flavor component of burst neutrinos expected from next Galactic core-collapse supernova. Such an observation bring unique insight into astrophysics core collapse as well properties neutrinos. general capabilities DUNE for neutrino detection in relevant few- few-tens-of-MeV energy range described. As example, DUNE's ability...
The Physics volume of the DUNE far detector (FD) Technical Design Report (TDR) presents science program DUNE. Within, we describe array identified scientific opportunities and key goals. Crucially, also report our best current understanding capability to realize these goals, along with detailed arguments investigations on which this is based. In context complete set TDR volumes, a central role for document basis underlying conception design LBNF/DUNE experimental configurations. As result,...
The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber with an active volume of $7.2\times 6.0\times 6.9$ m$^3$. It installed at the CERN Neutrino Platform in specially-constructed beam that delivers charged pions, kaons, protons, muons and electrons momenta range 0.3 GeV$/c$ to 7 GeV/$c$. Beam line instrumentation provides accurate momentum measurements particle identification. prototype for first far module Deep Underground Experiment, it incorporates full-size...
We point out a potential common origin of the recently observed 750 GeV diphoton resonance and weakly interacting massive particle (WIMP) candidate. In dark QCD sector with an unbroken $G$ parity, could be $G$-even pion, while WIMP lightest $G$-odd pion. Both particles are Standard Model gauge singlets have same decay constant. For pion constant around 500 GeV, both excess at LHC matter thermal abundance can accommodated in our model. Our model predicts additional color-octet pions within...
We study a class of simplified dark matter models in which one particle couples with mediator and Standard Model fermion. In such models, collider direct detection searches probe complimentary regions parameter space. For Majorana matter, covers the region near mediator-dark degeneracy, while colliders large mass splitting. Dirac complex is effective for entire above threshold, but provide strong bound lighter than few GeV. also point out that dedicated signatures two jets or mono-jet not...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay -- these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. DUNE is an international world-class experiment dedicated addressing questions as it searches leptonic charge-parity symmetry violation, stands ready capture supernova neutrino bursts,...
With the advent of a new generation neutrino experiments which leverage high-intensity beams for precision measurements, it is timely to explore physics topics beyond standard neutrino-related physics. Given that realm model (BSM) has been mostly sought at high-energy regimes colliders, such as LHC CERN, exploration BSM in will enable complementary measurements energy balance LHC. This concert with ideas fixed target and beam-dump world-wide, e.g., those CERN. The combination high intensity...
Abstract The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber (LArTPC) that was constructed and operated in the CERN North Area at end of H4 beamline. This prototype for first far module Deep Underground Neutrino Experiment (DUNE), which will be Sandford Research Facility (SURF) Lead, South Dakota, U.S.A. incorporates full-size components as designed DUNE has an active volume 7 × 6 7.2 m 3 . beam delivers incident particles with well-measured momenta high-purity...
We outline the unique opportunities and challenges in search for “ultraheavy” dark matter candidates with masses between roughly 10 TeV Planck scale m_{\rm pl} ≈ 10^{16} TeV. This mass range presents a wide relatively unexplored parameter space, rich space of possible models cosmic histories. emphasize that both current detectors new, targeted techniques, via direct indirect detection, are poised to contribute searches ultraheavy particle coming decade. highlight need new developments this...
We introduce and study the first class of signals that can probe dark matter in mesogenesis, which will be observable at current upcoming large volume neutrino experiments. The well-motivated mesogenesis scenario for generating observed matter-antimatter asymmetry necessarily has charged under baryon number. Interactions these particles with nuclei induce nucleon decay kinematics differing from spontaneous decay. calculate rate this process develop a simulation signal includes important...
Abstract This paper reports on a measurement of electron-ion recombination in liquid argon the ICARUS time projection chamber (LArTPC). A clear dependence angle ionizing particle track relative to drift electric field is observed. An ellipsoid modified box (EMB) model describes data across all measured angles. These measurements are used for calorimetric energy scale calibration TPC, which also presented. The impact EMB studied identification, as well muon and proton measurements. Accounting...
The preponderance of matter over antimatter in the early universe, dynamics supernovae that produced heavy elements necessary for life, and whether protons eventually decay -- these mysteries at forefront particle physics astrophysics are key to understanding evolution our its current state, eventual fate. Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated addressing questions as it searches leptonic charge-parity symmetry violation, stands ready...
Abstract The Deep Underground Neutrino Experiment (DUNE) will be a powerful tool for variety of physics topics. high-intensity proton beams provide large neutrino flux, sampled by near detector system consisting combination capable precision detectors, and the massive far located deep underground. This configuration sets up DUNE as machine discovery, it enables opportunities not only to perform measurements that may uncover deviations from present three-flavor mixing paradigm, but also...
Abstract DUNE is an international experiment dedicated to addressing some of the questions at forefront particle physics and astrophysics, including mystifying preponderance matter over antimatter in early universe. The dual-site will employ intense neutrino beam focused on a near far detector as it aims determine mass hierarchy make high-precision measurements PMNS matrix parameters, CP-violating phase. It also stand ready observe supernova bursts, seeks nucleon decay signature grand...
We study a class of simplified dark matter models in which couples directly with mediator and charged lepton. This Lepton Portal has very rich phenomenology: it loop generated electromagnetic moments that generate direct detection signal; contributes to indirect the cosmic positron flux via annihilation; provides signature same-flavor, opposite-sign dilepton plus missing transverse energy at colliders. determine current experimental constraints on model parameter space for Dirac fermion,...
We study novel scenarios where thermal dark matter (DM) can be efficiently captured in the Sun and annihilate into boosted matter. In models with semi-annihilating DM, DM has a non-minimal stabilization symmetry, or multi-component sector, annihilations of give rise to stable sector particles moderate Lorentz boosts. investigate both these possibilities, presenting concrete as proofs concept. Both yield viable relic masses O(1)-O(100) GeV. Taking advantage energetic proton recoils that arise...
The Fermilab short-baseline neutrino (SBN) experiments, MicroBooNE, ICARUS, and SBND, are expected to have significant sensitivity light weakly coupled hidden sector particles. Here we study the capability of SBN experiments probe dark scalars interacting through Higgs portal. We investigate production using both booster 8 GeV NuMI 120 proton beams, simulating kaons decaying taking into account beam line geometry. also strategies mitigate backgrounds from beam-related scattering events. find...
The Module-0 Demonstrator is a single-phase 600 kg liquid argon time projection chamber operated as prototype for the DUNE near detector. Based on ArgonCube design concept, features novel 80k-channel pixelated charge readout and advanced high-coverage photon detection system. In this paper, we present an analysis of eight-day data set consisting 25 million cosmic ray events collected in spring 2021. We use sample to demonstrate imaging performance light systems well signal correlations...