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Related papers: The Hadronic Final States in Deep Inelastic $e\gam…

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We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years 1993-95. A total luminosity of 103 pb^-1 was collected at centre-of-mass energies…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

The process e+e- -> gamma gamma (gamma) is studied using data collected by the OPAL detector at LEP between the years 1997 and 2000. The data set corresponds to an integrated luminosity of 672.3pb-1 at centre-of-mass energies lying between…

High Energy Physics - Experiment · Physics 2008-11-07 The OPAL collaboration , G. Abbiendi

The Future Circular Collider (FCC-ee) offers the unique opportunity of studying the Higgs coupling to the electron, $y_e$, via resonant s-channel production, $e^+e^- \to H$, in a dedicated run at $\sqrt{s} = m_H$. The signature for direct…

High Energy Physics - Experiment · Physics 2022-02-08 David d'Enterria , Andres Poldaru , George Wojcik

We review high--energy scattering processes that are sensitive to the hadronic structure of the photon, describing theoretical predictions as well as recent experimental results. These processes include deep--inelastic electron--photon…

High Energy Physics - Phenomenology · Physics 2010-11-01 Manuel Drees , Rohini M. Godbole

Hadronic final states in e+e- annihilitions at centre-of-mass energies from 14GeV up to 189GeV are studied in order to test recent predictions for power corrections to the mean values as well as the distributions of event shape variables.

High Energy Physics - Experiment · Physics 2016-08-31 G. Dissertori , ALEPH collaboration

We study the processes $e^+e^-\to\pi^+\pi^-\pi^0\pi^0\pi^0\pi^0\gamma$ and $e^+e^-\to\pi^+\pi^-\pi^0\pi^0\pi^0\eta\gamma$ in which an energetic photon is radiated from the initial state. The data were collected with the BaBar detector at…

High Energy Physics - Experiment · Physics 2021-10-05 BaBar Collaboration

The LHC has successfully run for a long period at half energy, 7 TeV. In this note, we update earlier full-energy Large Hadron Collider (LHC) forward hadronic scattering predictions \cite{physicsreports}, giving new predictions, including…

High Energy Physics - Phenomenology · Physics 2011-04-22 Martin M. Block , Francis Halzen

In the energy region of LEP2 and above, four fermion final states in e+e- collisions can be produced by Feynman diagrams involving two, one or zero resonant bosons...

High Energy Physics - Experiment · Physics 2007-05-23 A. Valassi

High-energy collider physics in the next decade will be dominated by the LHC, whose high-luminosity incarnation will take Higgs measurements and new particle searches to the next level. Several high-energy e+ e- colliders are being…

High Energy Physics - Phenomenology · Physics 2018-10-29 John Ellis

One-loop production of a Higgs boson in electro-photon collisions at future accelerators is studied via the process (e gamma -> e H), for intermediate Higgs masses. Exact cross sections, including the possibility of longitudinally polarized…

High Energy Physics - Phenomenology · Physics 2014-11-17 E. Gabrielli , V. A. Ilyin , B. Mele

A linear electron-positron collider operating at TeV scale energies will provide high precision measurements and allow, for example, precision studies of the Higgs boson as well as searches for physics beyond the standard model. A future…

Accelerator Physics · Physics 2019-09-04 Erik Adli

We present a summary of the Hadronic Final States parallel sessions of the DIS99 Workshop. Topics were presented over two days and included both theoretical and experimental talks. Recent progress in the understanding of QCD in deep…

High Energy Physics - Experiment · Physics 2014-11-17 M. Cacciari , F. Chlebana , L. Sinclair , M. Weber

Future $e^+e^-$ colliders are expected to play a fundamental role in measuring Standard Model (SM) parameters with unprecedented precision and in probing physics beyond the SM (BSM). This study investigates two-particle angular correlation…

High Energy Physics - Phenomenology · Physics 2025-07-29 E. Musumeci , A. Irles , R. Perez-Ramos , I. Corredoira , E. Sarkisyan-Grinbaum , V. A. Mitsou , M. A. Sanchis-Lozano

The structure functions of real and virtual photons are derived from cross section measurements of the reaction e^+e^ -> e^+e^- + hadrons at LEP. The reaction is studied at \sqrt{s} ~ 91 GeV with the L3 detector. One of the final state…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

This report describes the exploration of fundamental questions in particle physics at the energy frontier with a future TeV-scale e+e- linear collider based on the Compact Linear Collider (CLIC) two-beam acceleration technology. A…

Instrumentation and Detectors · Physics 2012-09-13 P. Lebrun , L. Linssen , A. Lucaci-Timoce , D. Schulte , F. Simon , S. Stapnes , N. Toge , H. Weerts , J. Wells

Monte Carlo models of DIS e-gamma scattering must describe hard emissions as well as the soft and collinear limits. Comparison with the observed experimental hadronic energy flow has shown that various models underestimate the high-p_T…

High Energy Physics - Experiment · Physics 2007-05-23 J. A. Lauber , L. Lonnblad , M. H. Seymour

Studies of hadronic final states of $e^+e^-$ annihilations, observed at the Large Electron Positron Collider LEP at CERN, are reviewed. The topics included cover measurements of $\alpha_s$, hadronic event shapes and hadronisation studies,…

High Energy Physics - Experiment · Physics 2014-11-17 Siegfried Bethke

We conducted a study on measuring $W^+W^-$ production and on the sensitivity limits at $95\%$ Confidence Level on thirteen anomalous couplings obtained by dimension-8 operators which are related to the anomalous quartic $WW\gamma\gamma$…

High Energy Physics - Phenomenology · Physics 2020-06-01 V. Ari , E. Gurkanli , A. Gutiérrez-Rodríguez , M. A. Hernández-Ruíz , M. Köksal

New results reported at the Moriond-QCD 2003 conference from the experiments ALEPH, DELPHI, L3, and OPAL on the structure of the photon as well as heavy quark production in gammagamma collisions are presented. The hadronic structure of the…

High Energy Physics - Experiment · Physics 2007-05-23 Armin Böhrer

Elastic light-by-light scattering, $\gamma\gamma\to\gamma\gamma$, is open to study at the Large Hadron Collider thanks to the large quasi-real photon fluxes available in electromagnetic interactions of protons (p) and lead (Pb) ions. The…

High Energy Physics - Phenomenology · Physics 2016-04-13 David d'Enterria , Gustavo G. da Silveira