activity
19972026
most citedA Roadmap for HEP Software and Computing R&D for the 2020s

240 citations · 2.1k across the 69 of their papers we have counts for

collaborators

70 papers

hep-ex2026

Building an AI-native Research Ecosystem for Experimental Particle Physics: A Community Vision

Thea Klaeboe Aarrestad, Alaa Abdelhamid, Haider Abidi +457

Experimental particle physics seeks to understand the universe by probing its fundamental particles and forces and exploring how they govern the large-scale processes that shape co…

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…

hep-ex2023

The U.S. CMS HL-LHC R&D Strategic Plan

Oliver Gutsche, Tulika Bose, Margaret Votava +13

The HL-LHC run is anticipated to start at the end of this decade and will pose a significant challenge for the scale of the HEP software and computing infrastructure. The mission o…

physics.comp-ph2018

HEP Software Foundation Community White Paper Working Group - Data Analysis and Interpretation

Lothar Bauerdick, Riccardo Maria Bianchi, Brian Bockelman +26

At the heart of experimental high energy physics (HEP) is the development of facilities and instrumentation that provide sensitivity to new phenomena. Our understanding of nature a…

physics.comp-ph2017★ 240 cited

A Roadmap for HEP Software and Computing R&D for the 2020s

Johannes Albrecht, Antonio Augusto Alves, Guilherme Amadio +307

Particle physics has an ambitious and broad experimental programme for the coming decades. This programme requires large investments in detector hardware, either to build new facil…

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…

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-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…

hep-ex2002★ 48 cited

Search for Scalar Top and Scalar Bottom Quarks at LEP

The OPAL collaboration, G. Abbiendi

Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with t…

hep-ex2002★ 25 cited

Search for Associated Production of Massive States Decaying into Two Photonsin e+e- Annihilations at sqrt(s) = 88-209 GeV

The OPAL collaboration, G. Abbiendi

A search is performed for production of short-lived particles in e+e- -> XY, with X -> gamma gamma and Y -> ffbar, for scalar X and scalar or vector Y. Model-independent limits in…

hep-ex2002★ 22 cited

Search for Charged Excited Leptons in e+e- Collisions at sqrt(s) = 183-209 GeV

The OPAL collaboration

A search for charged excited leptons decaying into a lepton and photon has been performed using approximately 680 pb-1 of e+e- collision data collected by the OPAL detector at LEP…

hep-ex2002★ 164 cited

Decay-mode independent searches for new scalar bosons with the OPAL detector at LEP

The OPAL collaboration, G. Abbiendi

This paper describes topological searches for neutral scalar bosons S0 produced in association with a Z0 boson via the Bjorken process e+e- -> S0Z0 at centre-of-mass energies of 91…

hep-ex2002★ 15 cited

Measurement of the Charm structure Function F2c of the Photon at LEP

The OPAL collaboration, G. Abbiendi

The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 1…

hep-ex2002

Measurement of the Hadronic Photon Structure Function F2gamma at LEP2

The OPAL collaboration, G. Abbiendi

The hadronic structure of the photon F2gamma is measured as a function of Bjorken x and of the photon virtuality Q2 using deep-inelastic scattering data taken by the OPAL detector…

hep-ex2001★ 17 cited

Search for Leptoquarks in Electron-Photon Scattering at sqrt(s_ee) up to 209 GeV at LEP

The OPAL collaboration, G. Abbiendi

Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, ha…

hep-ex2001★ 65 cited

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP

The OPAL collaboration, G. Abbiendi

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL det…

hep-ex2001★ 19 cited

Genuine Correlations of Like-Sign Particles in Hadronic Z0 Decays

The OPAL collaboration, G. Abbiendi

Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at…

hep-ex2001★ 73 cited

Search for Single Top Quark Production at LEP2

The OPAL collaboration, G. Abbiendi

A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e- collider LEP. Approximately…

hep-ex2001★ 26 cited

Search for Lepton Flavour Violation in e+e- Collisions at sqrt(s) = 189 - 209 GeV

The OPAL collaboration, G. Abbiendi

We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with th…