activity
19972025
most citedSearching for long-lived particles beyond the Standard Model at the Large Hadron Collider

264 citations · 1k across the 37 of their papers we have counts for

collaborators

37 papers

physics.ins-det2025

Performance of the front-end electronics of the CMS electromagnetic calorimeter barrel for the High-Luminosity LHC

The CMS Electromagnetic Calorimeter Group

The performance of the CMS electromagnetic calorimeter upgraded readout electronics, developed for the High-Luminosity phase of the LHC, is discussed. Data collected in two beam te…

physics.ins-det2025

Enhancing Electromagnetic Calorimeter Signal Reconstruction with Machine Learning-Based Noise Discrimination

Suman Das Gupta, Shamik Ghosh, Laltu Gazi +4

Calorimeters operating in high-radiation environments are susceptible to damage, leading to increased noise that can significantly degrade energy resolution. A common way to mitiga…

physics.ins-det2024

Dual-readout calorimetry with homogeneous crystals

R. Hirosky, T. Anderson, G. Cummings +8

High resolution calorimetry with state-of-the-art energy resolution performance for both electromagnetic (EM) and hadronic signals can be achieved using the dual-readout (DR) techn…

physics.ins-det2024

Study of time and energy resolution of an ultra-compact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 GeV E 150 GeV

Carlos Perez-Lara, James Wetzel, Ugur Akgun +36

The RADiCAL Collaboration is conducting R\&D on high performance electromagnetic (EM) calorimetry to address the challenges expected in future collider experiments under conditions…

physics.ins-det2023★ 23 cited

Autoencoder-based Anomaly Detection System for Online Data Quality Monitoring of the CMS Electromagnetic Calorimeter

The CMS ECAL Collaboration

The CMS detector is a general-purpose apparatus that detects high-energy collisions produced at the LHC. Online Data Quality Monitoring of the CMS electromagnetic calorimeter is a…

physics.ins-det2023★ 15 cited

Integration of thermo-electric coolers into the CMS MTD SiPM arrays for operation under high neutron fluence

A. Bornheim, W. Lustermann, K. Stachon +27

The barrel section of the novel MIP Timing Detector (MTD) will be constructed as part of the upgrade of the CMS experiment to provide a time resolution for single charged tracks in…

physics.ins-det2023★ 3 cited

Beam Test Results of the RADiCAL -- a Radiation Hard Innovative EM Calorimeter

James Wetzel, Dylan Blend, Paul Debbins +23

High performance calorimetry conducted at future hadron colliders, such as the FCC-hh, poses a significant challenge for applying current detector technologies due to unprecedented…

physics.ins-det2022

RADiCAL: Precision-timing, Ultracompact, Radiation-hard Electromagnetic Calorimetry

T. Anderson, T. Barbera, D. Blend +22

To address the challenges of providing high performance calorimetry in future hadron collider experiments under conditions of high luminosity and high radiation (FCChh environments…

physics.ins-det2021★ 14 cited

Test beam characterization of sensor prototypes for the CMS Barrel MIP Timing Detector

R. Abbott, A. Abreu, F. Addesa +196

The MIP Timing Detector will provide additional timing capabilities for detection of minimum ionizing particles (MIPs) at CMS during the High Luminosity LHC era, improving event re…

hep-ex2019★ 264 cited

Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider

Juliette Alimena, James Beacham, Martino Borsato +198

Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Had…

hep-ex2019★ 1 cited

A Measurement of the Branching Ratio of Dalitz Decay using Decays

E. Abouzaid, M. Arenton, A. R. Barker +44

We present a measurement of , the Dalitz branching ratio, using data taken in 1999 by the E832 KTeV experiment at Fermi National…

hep-ex2011★ 10 cited

Search for the Rare Decays KL->pi0pi0mu+mu- and KL->pi0pi0X0->pi0pi0mu+mu-

KTeV Collaboration, E. Abouzaid, M. Arenton +47

The KTeV E799 experiment has conducted a search for the rare decays KL->pi0pi0mu+mu- and KL->pi0pi0X0->pi0pi0mu+mu-, where the X0 is a possible new neutral boson that was reported…

physics.ins-det2009★ 21 cited

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

The CMS Electromagnetic Calorimeter Group, P. Adzic, N. Almeida +267

Ensuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the electromagnetic calorimeter of the CMS experiment at CERN. The produ…

hep-ex2009★ 22 cited

Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

KTeV collaboration, E. Abouzaid et al., V. Bernard +3

Using the published KTeV samples of K_L --> pi^{\pm} e^{\mp} nu and K_L --> pi^{\pm} mu^{\mp} nu decays [1], we perform a reanalysis of the scalar and vector form factors based on…

hep-ex2008★ 54 cited

Final Results from the KTeV Experiment on the Decay KL -> pi0 gamma gamma

KTeV Collaboration, E. Abouzaid, M. Arenton +45

We report on a new measurement of the branching ratio B(KL->pi0 gamma gamma)using the KTeV detector. We reconstruct 1982 events with an estimated background of 608, that results in…

hep-ex2006★ 4 cited

Cascade and anti-Cascade Polarization Measurements at 800 GeV/c

KTeV Collaboration

The polarization of neutral Cascade and anti-Cascade hyperons produced by 800 GeV/c protons on a BeO target at a fixed targeting angle of 4.8 mrad is measured by the KTeV experimen…

hep-ex2006★ 7 cited

Measurement of Direct Emission in the KL->pi+pi-gamma Decay Mode

KTeV Collaboration

In this paper the KTeV collaboration reports the analysis of 112.1*10^3 candidate KL->pi+pi-gamma decays including a background of 671+/-41 events with the objective of determining…

hep-ex2005★ 17 cited

A Measurement of the K0 Charge Radius and a CP Violating Asymmetry Together with a Search for CP Violating E1 Direct Photon Emission in the Rare Decay KL->pi+pi-e+e-

KTeV Collaboration

Using the complete KTeV data set of 5241 candidate KL->pi+pi-e+e- decays (including an estimated background of 204+-14 events), we have measured the coupling gCR=0.163+- 0.014(stat…

hep-ex2002★ 51 cited

A Measurement of the KL Charge Asymmetry

The KTeV Collaboration, A. Alavi-Harati

We present a measurement of the charge asymmetry in the mode based on 298 million analyzed decays. We measure a value of $δ_L = (3322 \pm 58(stat) \…

hep-ex2001★ 9 cited

Radiative Decay Width Measurements of Neutral Kaon Excitations Using the Primakoff Effect

KTeV Collaboration, A. Alavi-Harati

We produce a sample consisting of 147 candidate events, with minimal backgrounds, of the mixed axial vector pair K1(1270)-K1(1400) by exciting Kl's in the Coulomb field of lead and…

hep-ex2001★ 7 cited

Branching Ratio Measurement of the decay K_L -> e+ e- mu+ mu-

Alavi-Harati

We have collected a 43 event sample of the decay with negligible backgrounds and measured its branching ratio to be .…

hep-ex2001★ 11 cited

A New Measurement of the Radiative Ke3 Branching Ratio and Photon Spectrum

Douglas R. Bergman

We present a new measurement of the branching ratio of the decay K_L -> pi e nu gamma (Ke3g) with respect to K_L -> pi e nu (Ke3), and the first study of the photon energy spectrum…

hep-ex2001★ 33 cited

First Measurement of Form Factors of the Decay Xi0->Sigma+ e- anti-nu/e

KTeV collaboration

We present the first measurement of the form factor ratios g1/f1 (direct axial-vector to vector), g2/f1 (second class current) and f2/f1 (weak magnetism) for the decay Xi0 -> Sigma…

hep-ex2001★ 18 cited

Measurements of the rare decay K_{L} -> e^{+} e^{-} e^{+} e^{-}

The KTeV Collaboration, A. Alavi-Harati

We observe 441 K_{L} -> e^{+} e^{-} e^{+} e^{-} candidate events with a background of 4.2 events and measure B(K_{L} -> e^{+} e^{-} e^{+} e^{-}) = (3.72 \pm 0.18(stat) \pm 0.23(sys…