181 citations · 317 across the 22 of their papers we have counts for
29 papers
Minimal cascade decay of the top quark through a new scalar
Bogdan A. Dobrescu, Max H. Fieg, Alessandro Russo
We explore a possible decay of the top quark into a new scalar plus a charm quark. The decay is mediated by a dimension-5 operator that may be generated by the exchange of a…
Electromagnetic Shower Reconstruction and Identification in FASER's Emulsion Detector for LHC Forward Neutrino Measurements
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +132
We present methods for electromagnetic shower reconstruction and identification in the FASERnu emulsion detector using 100 GeV and 200 GeV electron test-beam data from the CERN SPS…
Momentum Measurement of Charged Particles in FASER's Emulsion Detector at the LHC
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +132
We present a momentum measurement method based on multiple Coulomb scattering (MCS) in the FASER emulsion detector. The measurement of charged-particle momenta is essential for…
The X17 with Chiral Couplings
Max H. Fieg, Toni Mäkelä, Tim M. P. Tait +1
In recent years, the ATOMKI collaboration has performed a series of measurements of excited nuclei, observing a resonant excess of electron-positron pairs at large opening angles c…
Octet scalars shaping LHC distributions in 4-jet final states
Bogdan A. Dobrescu, Max H. Fieg
We study properties of a hypothetical scalar particle, , which is a color octet and an electroweak singlet. At hadron colliders, is pair produced through its QCD coupling to…
MuCol Milestone Report No. 7: Consolidated Parameters
Rebecca Taylor, Antoine Chancé, Dario Augusto Giove +459
This document is comprised of a collection of consolidated parameters for the key parts of the muon collider. These consolidated parameters follow on from the October 2024 Prelimin…
Letter of Intent: The Forward Physics Facility
Luis A. Anchordoqui, John K. Anders, Akitaka Ariga +111
The Forward Physics Facility (FPF) is a proposed extension of the HL-LHC program designed to exploit the unique scientific opportunities offered by the intense flux of high energy…
Road map for the tuning of hadronic interaction models with accelerator-based and astroparticle data
Johannes Albrecht, Julia Becker Tjus, Noah Behling +52
In high-energy and astroparticle physics, event generators play an essential role, even in the simplest data analyses. As analysis techniques become more sophisticated, e.g. based…
Latest neutrino results from the FASER experiment and their implications for forward hadron production
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +117
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 fo…
Reconstruction and Performance Evaluation of FASER's Emulsion Detector at the LHC
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +121
This paper presents the reconstruction and performance evaluation of the FASER emulsion detector, which aims to measure interactions from neutrinos produced in the forward direc…
The Muon Collider
Carlotta Accettura, Simon Adrian, Rohit Agarwal +450
Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. A Muon Collider enables direct access to the underlying simplicity of the…
Prospects and Opportunities with an upgraded FASER Neutrino Detector during the HL-LHC era: Input to the EPPSU
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +115
The FASER experiment at CERN has opened a new window in collider neutrino physics by detecting TeV-energy neutrinos produced in the forward direction at the LHC. Building on this s…
The LHC as a TeV Muon Beam Dump: Muonphilic Scalars at FASER
Roshan Mammen Abraham, Max Fieg
The FASER experiment was designed to study long-lived dark sector particles and neutrinos traveling in the forward direction at the LHC. Neutrinos are predominantly produced from m…
Detecting LHC Neutrinos at Surface Level
Akitaka Ariga, Steven Barwick, Jamie Boyd +5
The first direct detection of neutrinos at the LHC not only marks the beginning of a novel collider neutrino program at CERN but also motivates considering additional neutrino dete…
First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER
FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +107
This letter presents the measurement of the energy-dependent neutrino-nucleon cross section in tungsten and the differential flux of muon neutrinos and anti-neutrinos. The analysis…
MuCol Milestone Report No. 5: Preliminary Parameters
Carlotta Accettura, Simon Adrian, Rohit Agarwal +391
This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2…
Shining Light on the Dark Sector: Search for Axion-like Particles and Other New Physics in Photonic Final States with FASER
FASER collaboration, Roshan Mammen Abraham, Xiaocong Ai +106
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 …
FPF@FCC: Neutrino, QCD, and BSM Physics Opportunities with Far-Forward Experiments at a 100 TeV Proton Collider
Roshan Mammen Abraham, Jyotismita Adhikary, Jonathan L. Feng +7
Proton-proton collisions at energy-frontier facilities produce an intense flux of high-energy light particles, including neutrinos, in the forward direction. At the LHC, these part…
Interim report for the International Muon Collider Collaboration (IMCC)
C. Accettura, S. Adrian, R. Agarwal +383
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implemen…
Neutrino Rate Predictions for FASER
FASER Collaboration, Roshan Mammen Abraham, John Anders +97
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 FAS…
New Physics in Single Resonant Top Quarks
Shelley Tong, James Corcoran, Max Fieg +2
Searches for new physics in the top quark sector are of great theoretical interest, yet some powerful avenues for discovery remain unexplored. We characterize the expected statisti…
Tuning Pythia for Forward Physics Experiments
Max Fieg, Felix Kling, Holger Schulz +1
Event generators like Pythia play an important role in physics studies at the Large Hadron Collider (LHC). While they make accurate predictions in the central region, i.e. at pseud…
The LHC as a Neutrino-Ion Collider
Juan M. Cruz-Martinez, Max Fieg, Tommaso Giani +4
Proton-proton collisions at the LHC generate a high-intensity collimated beam of neutrinos in the forward (beam) direction, characterised by energies of up to several TeV. The rece…
Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER
Keith R. Dienes, Jonathan L. Feng, Max Fieg +3
Neutral particles are notoriously difficult to observe through electromagnetic interactions. As a result, they naturally elude detection in most collider detectors. In this paper,…