D. Hoffmann
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View article: Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA
Machine Learning-Assisted Measurement of Lepton-Jet Azimuthal Angular Asymmetries in Deep-Inelastic Scattering at HERA Open
In deep-inelastic positron-proton scattering, the lepton-jet azimuthal angular asymmetry is measured using data collected with the H1 detector at HERA. When the average transverse momentum of the lepton-jet system, $\lvert \vec{P}_\perp \r…
View article: Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA
Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA Open
The H1 Collaboration reports the first measurement of the 1-jettiness event shape observable $$\tau _1^b$$ in neutral-current deep-inelastic electron-proton scattering (DIS). The observable $$\tau _1^b$$ is equivalent to a thrust…
View article: Measurement of groomed event shape observables in deep-inelastic electron-proton scattering at HERA
Measurement of groomed event shape observables in deep-inelastic electron-proton scattering at HERA Open
The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) at $$\sqrt{s} =319~$$ GeV, using data recorded between the years 2003 and 2007 with an i…
View article: Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA
Measurement of the 1-jettiness event shape observable in deep-inelastic electron-proton scattering at HERA Open
The H1 Collaboration reports the first measurement of the 1-jettiness event shape observable $\tau _1^b$ in neutral-current deep-inelastic electron-proton scattering (DIS). The observable $\tau _1^b$ is equivalent to a thrust observable de…
View article: Observation and differential cross section measurement of neutral current DIS events with an empty hemisphere in the Breit frame
Observation and differential cross section measurement of neutral current DIS events with an empty hemisphere in the Breit frame Open
The Breit frame provides a natural frame to analyze lepton--proton scattering events. In this reference frame, the parton model hard interactions between a quark and an exchanged boson defines the coordinate system such that the struck qua…
View article: Characterization and performance of an upgraded front-end-board for NectarCAM
Characterization and performance of an upgraded front-end-board for NectarCAM Open
This paper presents an analysis of the updated version of the Front-End Board (FEB) for the NectarCAM camera, developed for the Cherenkov Telescope Array Observatory (CTAO). The FEB is a critical component responsible for reading and conve…
View article: Timing performances of NectarCAM, a Medium Sized Telescope Camera for the Cherenkov Telescope Array
Timing performances of NectarCAM, a Medium Sized Telescope Camera for the Cherenkov Telescope Array Open
NectarCAM is a Cherenkov camera that will be installed on Medium-Sized Telescopes of the northern array of the Cherenkov Telescope Array Observatory (CTAO). It is composed of 265 modules, each of which includes 7 photo-multiplier tubes, a …
View article: The next generation cameras for the Large-Sized Telescopes of the Cherenkov Telescope Array Observatory
The next generation cameras for the Large-Sized Telescopes of the Cherenkov Telescope Array Observatory Open
International audience
View article: The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters
The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters Open
The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters enhances the physics reach of the experiment during the upcoming operation at increasing Large Hadron Collider luminosities. The new system, installed d…
View article: Measurement of Lepton-Jet Correlation in Deep-Inelastic Scattering with the H1 Detector Using Machine Learning for Unfolding
Measurement of Lepton-Jet Correlation in Deep-Inelastic Scattering with the H1 Detector Using Machine Learning for Unfolding Open
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using a…
View article: Risk Assessment in Gene Therapy and Somatic Genome-Editing: An Expert Interview Study
Risk Assessment in Gene Therapy and Somatic Genome-Editing: An Expert Interview Study Open
Background: Innovation in gene therapy and genome editing raises high expectations for therapeutic breakthroughs. With increasing maturity of the field, gene products using “gene transfer” technology, such as viral vectors, designer nuclea…
View article: The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters
The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters Open
The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters enhances the physics reach of the experiment during the upcoming operation at increasing Large Hadron Collider luminosities. The new system, installed d…
View article: Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions
Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions Open
The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA data on inclusive deep inelastic $ep$ scattering together wit…
View article: Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding
Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding Open
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using a…
View article: arXiv : Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding
arXiv : Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding Open
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using a…
View article: Erratum to: Determination of the strong coupling constant $${{\varvec{\alpha _{\mathrm{s}} (m_{\mathrm{Z}})}}}$$ in next-to-next-to-leading order QCD using H1 jet cross section measurements
Erratum to: Determination of the strong coupling constant $${{\varvec{\alpha _{\mathrm{s}} (m_{\mathrm{Z}})}}}$$ in next-to-next-to-leading order QCD using H1 jet cross section measurements Open
The determination of the strong coupling constant $$\alpha _{\mathrm{s}} (m_{\mathrm{Z}})$$ from H1 inclusive and dijet cross section data [1] exploits perturbative QCD predictions in next-to-next-to-leading order (NNLO) [2–4]. …
View article: Deep-learning-driven event reconstruction applied to simulated data from a single Large-Sized Telescope of CTA
Deep-learning-driven event reconstruction applied to simulated data from a single Large-Sized Telescope of CTA Open
When very-high-energy gamma rays interact high in the Earth's atmosphere,\nthey produce cascades of particles that induce flashes of Cherenkov light.\nImaging Atmospheric Cherenkov Telescopes (IACTs) detect these flashes and\nconvert them …
View article: Physics Performance of the Large Size Telescope prototype of the Cherenkov Telescope Array
Physics Performance of the Large Size Telescope prototype of the Cherenkov Telescope Array Open
The Large-Sized Telescope (LST) prototype of the future Cherenkov Telescope Array (CTA) is located at the Northern site of CTA, on the Canary Island of La Palma. It is designed to provide optimal performance in the lowest part of the energ…
View article: First follow-up of transient events with the CTA Large Size Telescope prototype
First follow-up of transient events with the CTA Large Size Telescope prototype Open
The recent detection of a very high energy (VHE) emission from Gamma-Ray Bursts (GRBs) above 100 GeV performed by the MAGIC and H.E.S.S. collaborations, has represented a significant, long-awaited result for the VHE astrophysics community.…
View article: Analysis of the Cherenkov Telescope Array first Large Size Telescope real data using convolutional neural networks
Analysis of the Cherenkov Telescope Array first Large Size Telescope real data using convolutional neural networks Open
The Cherenkov Telescope Array (CTA) is the future ground-based gamma-ray\nobservatory and will be composed of two arrays of imaging atmospheric Cherenkov\ntelescopes (IACTs) located in the Northern and Southern hemispheres\nrespectively. T…
View article: Monitoring the pointing of the Large Size Telescope prototype using star reconstruction in the Cherenkov camera
Monitoring the pointing of the Large Size Telescope prototype using star reconstruction in the Cherenkov camera Open
The first Large-Sized Telescope (LST-1) proposed for the forthcoming Cherenkov Telescope Array (CTA) has started to operate in 2019 in La Palma. The large structure of LST-1 - with a 23 m mirror dish diameter - imposes a strict control of …
View article: Status and results of the prototype LST of CTA
Status and results of the prototype LST of CTA Open
The Large-Sized Telescopes (LSTs) of Cherenkov Telescope Array (CTA)\nare designed for gamma-ray studies focusing on low energy threshold,\nhigh flux sensitivity, rapid telescope repositioning speed and a large field of view.\nOnce the CTA…
View article: Camera Calibration of the CTA-LST prototype
Camera Calibration of the CTA-LST prototype Open
The Cherenkov Telescope Array (CTA) is the next-generation gamma-ray observatory that is expected to reach one order of magnitude better sensitivity than that of current telescope arrays. The Large-Sized Telescopes (LSTs) have an essential…
View article: Development of an advanced SiPM camera for the Large Size Telescope of the Cherenkov TelescopeArray Observatory
Development of an advanced SiPM camera for the Large Size Telescope of the Cherenkov TelescopeArray Observatory Open
Silicon photomultipliers (SiPMs) have become the baseline choice for cameras of the small-sized telescopes (SSTs) of the Cherenkov Telescope Array (CTA).\nOn the other hand, SiPMs are relatively new to the field and covering large surfaces…