J. V. Mead
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View article: VERITAS and Multiwavelength Observations of the Blazar B3 2247+381 in Response to an IceCube Neutrino Alert
VERITAS and Multiwavelength Observations of the Blazar B3 2247+381 in Response to an IceCube Neutrino Alert Open
While the sources of the diffuse astrophysical neutrino flux detected by the IceCube Neutrino Observatory are still largely unknown, one of the promising methods to improve our understanding of them is investigating the potential temporal …
View article: Search for Neutrino Doublets and Triplets Using 11.4 yr of IceCube Data
Search for Neutrino Doublets and Triplets Using 11.4 yr of IceCube Data Open
We report a search for high-energy astrophysical neutrino multiplets, detections of multiple neutrino clusters in the same direction within 30 days, based on an analysis of 11.4 yr of IceCube data. A new search method optimized for transie…
View article: Observation of Cosmic-Ray Anisotropy in the Southern Hemisphere with 12 yr of Data Collected by the IceCube Neutrino Observatory
Observation of Cosmic-Ray Anisotropy in the Southern Hemisphere with 12 yr of Data Collected by the IceCube Neutrino Observatory Open
We analyzed the 7.92 × 10 11 cosmic-ray-induced muon events collected by the IceCube Neutrino Observatory from 2011 May 13, when the fully constructed experiment started to take data, to 2023 May 12. This data set provides an up-to-date co…
View article: Search for Joint Multimessenger Signals from Potential Galactic Cosmic-Ray Accelerators with HAWC and IceCube
Search for Joint Multimessenger Signals from Potential Galactic Cosmic-Ray Accelerators with HAWC and IceCube Open
The origin of high-energy galactic cosmic rays is yet to be understood, but some galactic cosmic-ray accelerators can accelerate cosmic rays up to PeV energies. The high-energy cosmic rays are expected to interact with the surrounding mate…
View article: PTOLEMY: Relic neutrino direct detection
PTOLEMY: Relic neutrino direct detection Open
Though their imprint upon the CMB and large-scale structure of the universe remains to this day, Big Bang relic neutrinos (the C𝜈B) have never been directly observed. This remains an outstanding test of the Standard Model in CDM cosmology …
View article: Cosmic Neutrino Background detection with PTOLEMY
Cosmic Neutrino Background detection with PTOLEMY Open
The PTOLEMY experiment aims at detecting the cosmic neutrino background, generated approximately one second after the Big Bang, in accordance with Standard Cosmology. Given the extremely low energy of these neutrinos, reliable experimental…
View article: Search for neutrino lines from dark matter annihilation and decay with IceCube
Search for neutrino lines from dark matter annihilation and decay with IceCube Open
Dark matter particles in the Galactic Center and halo can annihilate or decay into a pair of neutrinos producing a monochromatic flux of neutrinos. The spectral feature of this signal is unique and it is not expected from any astrophysical…
View article: Development of a Timing and Data Link for EIC Common Hardware Platform
Development of a Timing and Data Link for EIC Common Hardware Platform Open
Modern timing distribution systems benefit from high configurability and the bidirectional transfer of timing data. The Electron Ion Collider (EIC) Common Hardware Platform (CHP) will integrate the functions of the existing RHIC Real Time …
View article: Atmospheric neutrino oscillations in IceCube-DeepCore
Atmospheric neutrino oscillations in IceCube-DeepCore Open
The IceCube Neutrino Observatory probes a breadth of particle physics through the DeepCore low-energy extension. DeepCore provides access to an abundance of earth-crossing neutrinos over much of the atmospheric cosmic-ray spectrum, from 5-…
View article: Author response to CC1
Author response to CC1 Open
Abstract. Wind transport alters the snow topography and microstructure on sea ice through snow redistribution controlled by deposition and erosion. The impact of these processes on radar signatures is poorly understood. Here, we examine th…
View article: Comment on tc-2022-116
Comment on tc-2022-116 Open
Abstract. Wind transport alters the snow topography and microstructure on sea ice through snow redistribution controlled by deposition and erosion. The impact of these processes on radar signatures is poorly understood. Here, we examine th…
View article: A measurement of top quark production at √s = 13TeV with LHCb data
A measurement of top quark production at √s = 13TeV with LHCb data Open
The LHCb experiment provides unique detector coverage of the highest energy proton-proton interactions ever produced. Designed to study b-& c-hadron physics at the LHC, the detector is fully instrumented in the forward region, 2.0 < η < 4.…
View article: Surface-Based Ku- and Ka-band Polarimetric Radar for Sea Ice Studies
Surface-Based Ku- and Ka-band Polarimetric Radar for Sea Ice Studies Open
To improve our understanding of how snow properties influence sea ice thickness retrievals from presently operational and upcoming satellite radar altimeter missions, as well as investigating the potential for combining dual frequencies to…
View article: Supplementary material to "Surface-Based Ku- and Ka-band Polarimetric Radar for Sea Ice Studies"
Supplementary material to "Surface-Based Ku- and Ka-band Polarimetric Radar for Sea Ice Studies" Open
The following calibration procedure is used to convert the measured voltages at the receiver output into calibrated scattering matrix values.This calibration is applied in the IDL code in post-processing. AssumptionsThe following assumptio…
View article: Measurement of B→Xγ Decays and Determination of |Vtd/Vts|
Measurement of B→Xγ Decays and Determination of |Vtd/Vts| Open
Using a sample of 383 × 10 6 B ¯¯¯ B events collected by the BABAR experiment, we measure sums of seven exclusive final states B → X d ( s ) γ , where X d ( X s ) is a nonstrange (strange) charmless hadronic system in the mass range 0.6 - …
View article: Tops in the forward region
Tops in the forward region Open
Detailed results on top quark production at LHCb are reported from the first observation of top production in a forward region detector to the first measurement of top pair production at LHCb with 13 TeV data.
View article: Tops in the forward region [TOP2018 proceedings]
Tops in the forward region [TOP2018 proceedings] Open
Detailed results on top quark production at LHCb are reported from the first observation of top production in a forward region detector to the first measurement of top pair production at LHCb with 13 TeV data.
View article: Measurement of the Spectral Function for the τ⁻→ K⁻K[subscript S]ν[subscript τ] Decay
Measurement of the Spectral Function for the τ⁻→ K⁻K[subscript S]ν[subscript τ] Decay Open
The decay τ⁻→K⁻K[subscript S]ν[subscript τ] has been studied using 430×10⁶ e⁺e⁻→τ⁺τ⁻ events produced at a center-of-mass energy around 10.6 GeV at the PEP-II collider and studied with the BABAR detector. The mass spectrum of the K⁻K[subscr…
View article: Bottomonium spectroscopy and radiative transitions involving the χ[subscript bJ](1P,2P) states at BaBar
Bottomonium spectroscopy and radiative transitions involving the χ[subscript bJ](1P,2P) states at BaBar Open
We use (121 ± 1) million Υ(3S) and (98 ± 1) million Υ(2S) mesons recorded by the BABAR detector at the PEP-II e[superscript +]e[superscript -] collider at SLAC to perform a study of radiative transitions involving the χ[subscript bJ](1P,2P…