D. Casper
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View article: Latest neutrino results from the FASER experiment and their implications for forward hadron production
Latest neutrino results from the FASER experiment and their implications for forward hadron production Open
The muon puzzle -- an excess of muons relative to simulation predictions in ultra-high-energy cosmic-ray air showers -- has been reported by many experiments. This suggests that forward particle production in hadronic interactions is not f…
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: Shining light on the dark sector: search for axion-like particles and other new physics in photonic final states with FASER
Shining light on the dark sector: search for axion-like particles and other new physics in photonic final states with FASER Open
A bstract The first FASER search for a light, long-lived particle decaying into a pair of photons is reported. The search uses LHC proton-proton collision data at $$ \sqrt{s} $$ = 13 . 6 TeV collected in 2022 and 2023, corresponding to …
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: Shining Light on the Dark Sector: Search for Axion-like Particles and Other New Physics in Photonic Final States with FASER
Shining Light on the Dark Sector: Search for Axion-like Particles and Other New Physics in Photonic Final States with FASER Open
The first FASER search for a light, long-lived particle decaying into a pair of photons is reported. The search uses LHC proton-proton collision data at $\sqrt{s}=13.6~\text{TeV}$ collected in 2022 and 2023, corresponding to an integrated …
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: Various Phenomenological Aspects of the R-parity Violating MSSM
Various Phenomenological Aspects of the R-parity Violating MSSM Open
The Standard Model (SM) faces both theoretical and experimental challenges that indicate the existence of physics beyond its current framework. Among the proposed extensions, supersymmetry (SUSY) emerges as a promising concept. The simples…
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 Forward Physics Facility at the High-Luminosity LHC
The Forward Physics Facility at the High-Luminosity LHC Open
High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF)…
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: The tracking detector of the FASER experiment
The tracking detector of the FASER experiment Open
FASER is a new experiment designed to search for new light weakly-interacting long-lived particles (LLPs) and study high-energy neutrino interactions in the very forward region of the LHC collisions at CERN. The experimental apparatus is s…
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: 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: 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: Technical Proposal: FASERnu
Technical Proposal: FASERnu Open
FASERnu is a proposed small and inexpensive emulsion detector designed to detect collider neutrinos for the first time and study their properties. FASERnu will be located directly in front of FASER, 480 m from the ATLAS interaction point a…
View article: Technical Proposal: FASERnu
Technical Proposal: FASERnu Open
FASERnu is a proposed small and inexpensive emulsion detector designed to detect collider neutrinos for the first time and study their properties. FASERnu will be located directly in front of FASER, 480 m from the ATLAS interaction point a…
View article: FASER’s physics reach for long-lived particles
FASER’s physics reach for long-lived particles Open
The ForwArd Search ExpeRiment (FASER) is an approved experiment dedicated to searching for light, extremely weakly interacting particles at the LHC. Such particles may be produced in the LHC’s high-energy collisions and travel long distanc…
View article: FASER: ForwArd Search ExpeRiment at the LHC
FASER: ForwArd Search ExpeRiment at the LHC Open
FASER, the ForwArd Search ExpeRiment, is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at the LHC. Such particles may be produced in the LHC's high-energy collisions in large numbers in the …
View article: Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC
Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC Open
FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such particles may be produced in large numbers along the beam collision axis, travel for…
View article: Letter of Intent for FASER: ForwArd Search ExpeRiment at the LHC
Letter of Intent for FASER: ForwArd Search ExpeRiment at the LHC Open
FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles at the LHC. Such particles are dominantly produced along the beam collision axis and may be long-lived, traveling hundreds of m…
View article: Letter of Intent for FASER: ForwArd Search ExpeRiment at the LHC
Letter of Intent for FASER: ForwArd Search ExpeRiment at the LHC Open
FASER is a proposed small and inexpensive experiment designed to search for light, weakly interacting particles at the LHC. Such particles are dominantly produced along the beam collision axis and may be long-lived, traveling hundreds of m…
View article: A search for $B-L$ $R$-parity-violating top squarks in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS experiment
A search for $B-L$ $R$-parity-violating top squarks in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS experiment Open
A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an $R$-parity-violating coupling to a final state with two leptons and two jets, at least one of which is id…