L. Eklund
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View article: The LHCb VELO Upgrade module construction
The LHCb VELO Upgrade module construction Open
The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex info…
View article: The LHCb VELO Upgrade Module Construction
The LHCb VELO Upgrade Module Construction Open
The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex info…
View article: Measurement of thermal properties of the LHCb VELO detector using track-based software alignment
Measurement of thermal properties of the LHCb VELO detector using track-based software alignment Open
The thermal properties of the LHCb Vertex Locator (VELO) are studied using the real-time detector alignment procedure. The variation of the position and orientation of the detector elements as a function of the operating temperature of the…
View article: Design of an optimized nested-mirror neutron reflector for a NNBAR experiment
Design of an optimized nested-mirror neutron reflector for a NNBAR experiment Open
The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with an expected sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes b…
View article: The development of the NNBAR experiment
The development of the NNBAR experiment Open
The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress to…
View article: Simulation and Optimization Studies of the LHCb Beetle Readout ASIC and Machine Learning Approach for Pulse Shape Reconstruction
Simulation and Optimization Studies of the LHCb Beetle Readout ASIC and Machine Learning Approach for Pulse Shape Reconstruction Open
The optimization of the Beetle readout ASIC and the performance of the software for the signal processing based on machine learning methods are presented. The Beetle readout chip was developed for the LHCb (Large Hadron Collider beauty) tr…
View article: Supernova Model Discrimination with Hyper-Kamiokande
Supernova Model Discrimination with Hyper-Kamiokande Open
Core-collapse supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants—neutron stars and black holes—are interesting astrophysica…
View article: First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> production channel containing at least one proton
First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single- production channel containing at least one proton Open
This paper reports the first T2K measurement of the transverse kinematic imbalance in the single-
\nπ
\n+
\n production channel of neutrino interactions. We measure the differential cross sections in the muon-neutrino charged-current inter…
View article: Readout Firmware of the Vertex Locator for LHCb Run 3 and Beyond
Readout Firmware of the Vertex Locator for LHCb Run 3 and Beyond Open
The new LHCb Vertex Locator (VELO) for LHCb, comprising a new pixel detector and readout electronics, will be installed in 2021 for data taking in Run 3 at the LHC. The electronics centers around the “VeloPix” ASIC at the front-end operati…
View article: Measurements of νμ and νμ + νμ charged-current cross-sections without detected pions or protons on water and hydrocarbon at a mean anti-neutrino energy of 0.86 GeV
Measurements of νμ and νμ + νμ charged-current cross-sections without detected pions or protons on water and hydrocarbon at a mean anti-neutrino energy of 0.86 GeV Open
We report measurements of the flux-integrated |$\\overline{\\nu}_\\mu$| and |$\\overline{\\nu}_\\mu+\\nu_\\mu$| charged-current cross-sections on water and hydrocarbon targets using the T2K anti-neutrino beam with a mean beam energy of 0.8…
View article: The Hyper-Kamiokande Experiment -- Snowmass LOI
The Hyper-Kamiokande Experiment -- Snowmass LOI Open
Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times larger effective volume than its predecessor will be located…
View article: First measurement of the charged current <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mover accent="true"><mml:mi>ν</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>μ</mml:mi></mml:msub></mml:math> double differential cross section on a water target without pions in the final state
First measurement of the charged current double differential cross section on a water target without pions in the final state Open
© 2020 authors. Published by the American Physical Society. This paper reports the first differential measurement of the charged-current ν¯μ interaction cross section on water with no pions in the final state. The unfolded flux-averaged me…
View article: Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K
Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K Open
This paper reports the first simultaneous measurement of the double differential muon neutrino charged-current cross section on oxygen and carbon without pions in the final state as a function of the outgoing muon kinematics, made at the N…
View article: The upgrade I of LHCb VELO—towards an intelligent monitoring platform
The upgrade I of LHCb VELO—towards an intelligent monitoring platform Open
The Large Hadron Collider beauty (LHCb) detector is designed to detect decays\nof b- and c- hadrons for the study of CP violation and rare decays. At the end\nof the LHC Run 2, many of the LHCb measurements remained statistically\ndominate…
View article: First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K
First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K Open
This paper presents the first combined measurement of the double-differential muon neutrino and antineutrino charged-current cross sections with no pions in the final state on hydrocarbon at the off-axis near detector of the T2K experiment…
View article: Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam
Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam Open
Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. …
View article: Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment
Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment Open
This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the upgraded LHCb experiment. All elements of the electronics readout chain will be renewe…
View article: Measurement of the muon neutrino charged-current single <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> production on hydrocarbon using the T2K off-axis near detector ND280
Measurement of the muon neutrino charged-current single production on hydrocarbon using the T2K off-axis near detector ND280 Open
We report the measurements of the single and double differential cross section of muon neutrino charged-current interactions on carbon with a single positively charged pion in the final state at the T2K off-axis near detector using 5.56×10…
View article: Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280
Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280 Open
The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. The electron neutrino scattering is measured directly with th…
View article: Constraint on the matter–antimatter symmetry-violating phase in neutrino oscillations
Constraint on the matter–antimatter symmetry-violating phase in neutrino oscillations Open
The charge-conjugation and parity-reversal (CP) symmetry of fundamental particles is a symmetry between matter and antimatter. Violation of this CP symmetry was first observed in 1964$^1$, and CP violation in the weak interactions of quark…
View article: Measurement of neutrino and antineutrino neutral-current quasielasticlike interactions on oxygen by detecting nuclear deexcitation <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math> rays
Measurement of neutrino and antineutrino neutral-current quasielasticlike interactions on oxygen by detecting nuclear deexcitation rays Open
Neutrino- and antineutrino-oxygen neutral-current quasielasticlike interactions are measured at Super-Kamiokande using nuclear deexcitation γ rays to identify signal-like interactions in data from a 14.94(16.35)×1020 protons-on-target expo…
View article: J-PARC Neutrino Beamline Upgrade Technical Design Report
J-PARC Neutrino Beamline Upgrade Technical Design Report Open
In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data corresponding to $2\times{}10^{22}$ protons-on-target in the…
View article: Velo Upgrade Module Nomenclature
Velo Upgrade Module Nomenclature Open
The nomenclature and geometry of the various constituents of velo upgrade hybrid sensors are defined, as well as their position within the modules. The modules nomenclature and their position along the z-axis are defined.
View article: Measurement of the $CP$-violating phase $\phi_s$ from $B_{s}^{0}\to J/\psi\pi^+\pi^-$ decays in 13 TeV $pp$ collisions
Measurement of the $CP$-violating phase $\phi_s$ from $B_{s}^{0}\to J/\psi\pi^+\pi^-$ decays in 13 TeV $pp$ collisions Open
Decays of $B_{s}^{0}$ and $\\overline{B}{}_{s}^{0}$ mesons into $J/\\psi\\pi^+\\pi^-$ final states are studied in a data sample corresponding to 1.9 fb$^{-1}$ of integrated luminosity collected with the LHCb detector in 13 TeV $pp$ collisi…
View article: Radiation Damage Effects and Operation of the LHCb Vertex Locator
Radiation Damage Effects and Operation of the LHCb Vertex Locator Open
Vertex Locator (VELO) is a silicon micro-strip detector situated around the interaction point in the LHCb spectrometer at the LHC. The LHCb experiment is dedicated to studying CP violation in the heavy flavor sector and rare decays of B me…