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View article: First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER
First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER Open
This Letter presents the measurement of the energy-dependent neutrino-nucleon cross section in tungsten and the differential flux of muon neutrinos and antineutrinos. The analysis is performed using proton-proton collision data at a center…
View article: Reconstruction and Performance Evaluation of FASER's Emulsion Detector at the LHC
Reconstruction and Performance Evaluation of FASER's Emulsion Detector at the LHC Open
This paper presents the reconstruction and performance evaluation of the FASER$ν$ emulsion detector, which aims to measure interactions from neutrinos produced in the forward direction of proton-proton collisions at the CERN Large Hadron C…
View article: The ECFA Early-Career Researchers Panel: Report for the year 2023
The ECFA Early-Career Researchers Panel: Report for the year 2023 Open
The European Committee for Future Accelerators (ECFA) Early-Career Researcher (ECR) panel, which represents the interests of the ECR community to ECFA, presents in this document its initiatives and activities in the year 2023. This report …
View article: Neutrino rate predictions for FASER
Neutrino rate predictions for FASER Open
The Forward Search Experiment (FASER) at CERN’s Large Hadron Collider (LHC) has recently directly detected the first collider neutrinos. Neutrinos play an important role in all FASER analyses, either as signal or background, and it is ther…
View article: The FASER detector
The FASER detector Open
FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such particles may be produced in the very forward direction of the LHC'…
View article: Efficient Parallelization of RooFit Computations for Accelerated Higgs Combination Fits
Efficient Parallelization of RooFit Computations for Accelerated Higgs Combination Fits Open
In the context of High Energy Physics (HEP) analyses the advent of large-scale combination fits forms an increasing computational challenge for the underlying software frameworks on which these fits rely. RooFit, being the central tool for…
View article: Search for dark photons with the FASER detector at the LHC
Search for dark photons with the FASER detector at the LHC Open
The FASER experiment at the LHC is designed to search for light, weakly-interacting particles produced in proton-proton collisions at the ATLAS interaction point that travel in the far-forward direction. The first results from a search for…
View article: First Direct Observation of Collider Neutrinos with FASER at the LHC
First Direct Observation of Collider Neutrinos with FASER at the LHC Open
Funder:
\n Heising-Simons Foundation
\n http://dx.doi.org/10.13039/100014155
View article: First Direct Observation of Collider Neutrinos with FASER at the LHC
First Direct Observation of Collider Neutrinos with FASER at the LHC Open
We report the first direct observation of neutrino interactions at a particle collider experiment. Neutrino candidate events are identified in a 13.6 TeV center-of-mass energy $pp$ collision data set of 35.4 fb${}^{-1}$ using the active el…
View article: The ECFA Early Career Researcher's Panel: composition, structure, and\n activities, 2021 -- 2022
The ECFA Early Career Researcher's Panel: composition, structure, and\n activities, 2021 -- 2022 Open
The European Committee for Future Accelerators (ECFA) Early Career\nResearcher's (ECR) panel, which represents the interests of the ECR community\nto ECFA, officially began its activities in January 2021. In the first two\nyears, the panel…
View article: The ECFA Early Career Researcher's Panel: composition, structure, and activities, 2021 -- 2022
The ECFA Early Career Researcher's Panel: composition, structure, and activities, 2021 -- 2022 Open
The European Committee for Future Accelerators (ECFA) Early Career Researcher's (ECR) panel, which represents the interests of the ECR community to ECFA, officially began its activities in January 2021. In the first two years, the panel ha…
View article: Design and commissioning of the FASER trigger and data acquisition system
Design and commissioning of the FASER trigger and data acquisition system Open
The FASER experiment is a new small and inexpensive experiment that is located 480 meters downstream of the ATLAS experiment at the CERN LHC. The experiment will shed light on currently unexplored phenomena, having the potential to make a …
View article: The trigger and data acquisition system of the FASER experiment
The trigger and data acquisition system of the FASER experiment Open
The FASER experiment is a new small and inexpensive experiment that is placed 480 meters downstream of the ATLAS experiment at the CERN LHC. FASER is designed to capture decays of new long-lived particles, produced outside of the ATLAS det…
View article: First neutrino interaction candidates at the LHC
First neutrino interaction candidates at the LHC Open
FASERν at the CERN Large Hadron Collider (LHC) is designed to directly detect collider neutrinos for the first time and study their cross sections at TeV energies, where no such measurements currently exist. In 2018, a pilot detector emplo…
View article: Studying neutrinos at the LHC: FASER and its impact to the cosmic-ray physics
Studying neutrinos at the LHC: FASER and its impact to the cosmic-ray physics Open
Studies of high energy proton interactions have been basic inputs to understand the cosmic-ray spectra observed on the earth. Yet, the experimental knowledge with controlled beams has been limited. In fact, uncertainties of the forward had…
View article: Results of the 2021 ECFA Early-Career Researcher Survey on Training in Instrumentation
Results of the 2021 ECFA Early-Career Researcher Survey on Training in Instrumentation Open
The European Committee for Future Accelerators (ECFA) Early-Career Researchers (ECR) Panel was invited by the ECFA Detector R&D Roadmap conveners to collect feedback from the European ECR community. A working group within the ECFA ECR pane…
View article: First neutrino interaction candidates at the LHC
First neutrino interaction candidates at the LHC Open
FASER$\nu$ at the CERN Large Hadron Collider (LHC) is designed to directly detect collider neutrinos for the first time and study their cross sections at TeV energies, where no such measurements currently exist. In 2018, a pilot detector e…
View article: Comparison of unfolding methods using RooFitUnfold
Comparison of unfolding methods using RooFitUnfold Open
In this paper we describe RooFitUnfold, an extension of the RooFit statistical software package to treat unfolding problems, and which includes most of the unfolding methods that commonly used in particle physics. The package provides a co…
View article: Report on the ECFA Early-Career Researchers Debate on the 2020 European Strategy Update for Particle Physics
Report on the ECFA Early-Career Researchers Debate on the 2020 European Strategy Update for Particle Physics Open
A group of Early-Career Researchers (ECRs) has been given a mandate from the European Committee for Future Accelerators (ECFA) to debate the topics of the current European Strategy Update (ESU) for Particle Physics and to summarise the out…
View article: Statistical method and comparison of different unfolding techniques using RooFit
Statistical method and comparison of different unfolding techniques using RooFit Open
The RooFitUnfold package provides a common framework to evaluate and use different unfolding algorithms, side-by-side. It currently provides implementations or interfaces for the Iterative Bayes, Singular Value Decomposition, TUnfold and G…
Higgs precision measurements with ATLAS Open
After the discovery of the Higgs boson, precise measurements of its properties are of particular importance to understand the true nature of the found particle, which could be the Standard Model predicted Higgs, or indeed offering to be a …
Continuous signal modelling in a multidimensional space of coupling parameters Open
The plans for the second Run of the LHC changes the focus in the Higgs sector from searches to precision measurements. Effective Lagrangians can be used for parameterisation. A signal morphing method is developed to take all parameters int…
View article: BlurRing
BlurRing Open
A code package, BlurRing, is developed as a method to allow for multi-dimensional likelihood visualisation. From the BlurRing visualisation additional information about the likelihood can be extracted. The spread in any direction of the ov…
Character Profile of the Higgs boson Open
Elementary particle physics describes and measures the properties of the smallest, most fundamental particles that make up the universe. The Standard Model of elementary particle physics provides a fundamental description of particles, the…