papers

Publications (13)

hep-ex2026

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…

physics.ins-det2021

Measurements and analysis of different front-end configurations for monolithic SiGe BiCMOS pixel detectors for HEP applications

Fulvio Martinelli, Chiara Magliocca, Roberto Cardella +6

This paper presents a small-area monolithic pixel detector ASIC designed in 130 nm SiGe BiCMOS technology for the upgrade of the pre-shower detector of the FASER experiment at CERN…

hep-ex2024

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

hep-ex2026

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…

hep-ex2025

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…

hep-ex2024

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…

hep-ex2025

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…

physics.ins-det2020

DMAPS Monopix developments in large and small electrode designs

Christian Bespin, Marlon Barbero, Pierre Barrillon +30

LF-Monopix1 and TJ-Monopix1 are depleted monolithic active pixel sensors (DMAPS) in 150 nm LFoundry and 180 nm TowerJazz CMOS technologies respectively. They are designed for usage…

physics.ins-det2019

The Monopix chips: Depleted monolithic active pixel sensors with a column-drain read-out architecture for the ATLAS Inner Tracker upgrade

Ivan Caicedo, Marlon Barbero, Pierre Barrillon +27

Two different depleted monolithic CMOS active pixel sensor (DMAPS) prototypes with a fully synchronous column-drain read-out architecture were designed and tested: LF-Monopix and T…

hep-ex2025

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…

physics.ins-det2025

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 dire…

hep-ex2024

First Measurement of the and Interaction Cross Sections at the LHC with FASER's Emulsion Detector

FASER Collaboration, Roshan Mammen Abraham, John Anders +102

This paper presents the first results of the study of high-energy electron and muon neutrino charged-current interactions in the FASER emulsion/tungsten detector of the FASER e…

physics.ins-det2019

Measurement of the relative response of TowerJazz Mini-MALTA CMOS prototypes at Diamond Light Source

Maria Mironova, Kaloyan Metodiev, Phil Allport +23

This paper outlines the results of investigations into the effects of radiation damage in the mini-MALTA prototype. Measurements were carried out at Diamond Light Source using a mi…