activity
19972026
most citedDecay-mode independent searches for new scalar bosons with the OPAL detector at LEP

164 citations · 2k across the 78 of their papers we have counts for

collaborators

81 papers

physics.ins-det2026

Design and performance of the Fast Beam Condition Monitor for luminosity and background measurement at the CMS Experiment in LHC Run 3

The CMS BRIL Collaboration, Eliana Acurio, Ying An +111

The Fast Beam Condition Monitor (BCM1F) has been used at the CMS Experiment since the first LHC circulating beams in 2008. Originally meant as a beam-induced background monitor for…

physics.ins-det2025

The CMS Phase-2 Fast Beam Condition Monitor prototype test with beam

G. Auzinger, H. Bakhshiansohi, A. E. Dabrowski +40

The Fast Beam Condition Monitor (FBCM) is a standalone luminometer for the High Luminosity LHC (HL-LHC) program of the CMS Experiment at CERN. The detector is under development and…

hep-ex2025

CODEX-b: Opening New Windows to the Long-Lived Particle Frontier at the LHC

Giulio Aielli, Juliette Alimena, Saul Balcarcel-Salazar +50

This document is written as a contribution to the European Strategy of Particle Physics (ESPP) update. We offer a detailed overview of current developments and future directions fo…

hep-ex2024

XY Factorization Bias in Luminosity Measurements

Anna Fehérkuti, Péter Major, Gabriella Pásztor

For most high-precision experiments in particle physics, it is essential to know the luminosity at highest accuracy. The luminosity is determined by the convolution of particle den…

physics.ins-det2024

Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC

K. Shibin, G. Auzinger, H. Bakhshiansohi +24

The high-luminosity upgrade of the LHC (HL-LHC) brings unprecedented requirements for precision bunch-by-bunch luminosity measurement and beam-induced background monitoring in real…

physics.ins-det2024★ 1 cited

Technical design report for the CODEX- demonstrator

b collaboration, Giulio Aielli, Juliette Alimena +56

The CODEX- apparatus is a demonstrator for the proposed future CODEX-b experiment, a long-lived-particle detector foreseen for operation at IP8 during HL-LHC data-taking. The de…

hep-ex2024★ 2 cited

Measurement of the branching fraction of the decay at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +389

We measure the branching fraction of the decay using data collected with the Belle II detector. The data contain 387 million pairs produced i…

physics.ins-det2024

The CMS Fast Beam Condition Monitor for HL-LHC

G. Auzinger, H. Bakhshiansohi, A. Dabrowski +28

The high-luminosity upgrade of the LHC brings unprecedented requirements for real-time and precision bunch-by-bunch online luminosity measurement and beam-induced background monito…

physics.acc-ph2023★ 14 cited

Impact of Beam-Beam Effects on Absolute Luminosity Calibrations at the CERN Large Hadron Collider

A. Babaev, T. Barklow, O. Karacheban +9

At the Large Hadron Collider (LHC), absolute luminosity calibrations obtained by the van der Meer (vdM) method are affected by the mutual electromagnetic interaction of the two bea…

hep-ex2022

The Road Ahead for CODEX-b

Giulio Aielli, Juliette Alimena, James Beacham +36

In this Snowmass contribution we present a comprehensive status update on the progress and plans for the proposed CODEX-b detector, intended to search for long-lived particles beyo…

hep-ph2020★ 3 cited

VBSCan Mid-Term Scientific Meeting

Julien Baglio, Alessandro Ballestrero, Riccardo Bellan +48

This document summarises the talks and discussions happened during the VBSCan Mid-Term Scientific Meeting workshop. The VBSCan COST action is dedicated to the coordinated study of…

hep-ex2016

Recent ATLAS results and preparations for Run 2

Gabriella Pásztor

The CERN LHC delivered 25/fb of proton-proton collision data in 2011-2012 at sqrt{s} = 7 - 8 TeV centre-of-mass energy to the ATLAS detector. These Run 1 data were used to discover…

hep-ex2015

The Upgrade of the ATLAS Electron and Photon Triggers towards LHC Run 2 and their Performance

Gabriella Pásztor

Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard…

hep-ex2011★ 56 cited

Determination of αS using OPAL hadronic event shapes at sqrt(s) = 91 - 209 GeV and resummed NNLO calculations

The OPAL Collaboration

Hadronic event shape distributions from e+e- annihilation measured by the OPAL experiment at centre-of-mass energies between 91 GeV and 209 GeV are used to determine the strong cou…

hep-ex2009★ 4 cited

Sigma-antihyperon correlations in Z0 decay and investigation of the baryon production mechanism

The OPAL Collaboration

Data collected around sqrt{s}=91 GeV by the OPAL experiment at the LEP e+e- collider are used to study the mechanism of baryon formation. As the signature, the fraction of Sigma-hy…

physics.ins-det2009★ 12 cited

Performance studies of the CMS Strip Tracker before installation

CMS Tracker Collaboration

In March 2007 the assembly of the Silicon Strip Tracker was completed at the Tracker Integration Facility at CERN. Nearly 15% of the detector was instrumented using cables, fiber o…

hep-ex2008

Discovery potential for Higgs bosons beyond the SM

Gabriella Pasztor

The discovery potential of the CMS detector for the MSSM neutral and charged Higgs bosons at the LHC is presented based on studies with full detector simulation and event reconstru…

hep-ex2007★ 3 cited

Inclusive Jet Production in Photon-Photon Collisions at sqrt(s_ee) from 189 to 209 GeV

The OPAL collaboration

Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV…

hep-ex2006★ 6 cited

QCD coherence and correlations of particles with restricted momenta in hadronic Z decays

The OPAL collaboration, G. Abbiendi

QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT<pTcut, where pT is defined with respect to the th…

hep-ex2005★ 121 cited

Measurement of event shape distributions and moments in e+e- -> hadrons at 91-209 GeV and a determination of alpha_s

The OPAL Collaboration, G. Abbiendi

We have studied hadronic events from e+e- annihilation data at centre-of-mass energies from 91 to 209 GeV. We present distributions of event shape observables and their moments at…

hep-ex2003★ 76 cited

Search for Stable and Long-Lived Massive Charged Particles in e+e- Collisions at sqrt(s) = 183-209 GeV

The OPAL collaboration

A search for stable and long-lived massive particles of electric charge |Q/e|=1 or fractional charges of 2/3, 4/3, and 5/3 is reported using data collected by the OPAL detector at…

hep-ex2003★ 35 cited

Test of non-commutative QED in the process e+e- -> gamma gamma at LEP

The OPAL collaboration

Non-commutative QED would lead to deviations from the Standard Model depending on a new energy scale Lambda_NC and a unique direction in space defined by two angles eta and xi. Her…

hep-ex2002★ 7 cited

Measurement of Neutral-Current Four-Fermion Production at LEP2

The OPAL collaboration

Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 1…

hep-ex2002★ 11 cited

Measurement of the Cross-Section for the Process GammaGamma -> Ppbar at sqrt(s)_ee=183-189 GeV at LEP

The OPAL collaboration, G. Abbiendi

The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL de…