English
Related papers

Related papers: Summary of alphas determinations at ZEUS

200 papers

The precision measurements of the strong coupling constant, alphas, and its energy-scale dependence carried out at HERA by the H1 and ZEUS Collaborations are reviewed. An average value of alphas(Mz) = 0.1186 +- 0.0011 (exp.) +- 0.0050 (th.)…

High Energy Physics - Experiment · Physics 2015-06-25 Claudia Glasman

Recent determinations of alphas(Mz) from the H1 and ZEUS Collaborations using inclusive-jet cross-section measurements in neutral current deep inelastic scattering at high Q2 are presented. A combined value of alphas(mz)=0.1198 +- 0.0019…

High Energy Physics - Experiment · Physics 2008-11-26 Claudia Glasman

Measurements of inclusive-jet and dijet cross-sections in high-Q2 deep-inelastic scattering are presented together with a short overview of extractions of the strong coupling parameter alpha_S from jets. The data samples used were collected…

High Energy Physics - Experiment · Physics 2007-07-03 Thomas Schoerner-Sadenius

A review is given on recent alpha(s) determinations from the H1 and ZEUS Collaborations. These are based on measurements of jet cross sections, event shape variables, as well as on the observed scaling violation of the structure function…

High Energy Physics - Experiment · Physics 2007-05-23 Thomas Kluge

Recent results on di-jet, inclusive jets, production at high p_T in Deep Inelastic Scattering DIS and photoproduction gamma p regimes using both the H1 and ZEUS detectors at HERA are presented. Also studies of integrated jet shape and jet…

High Energy Physics - Experiment · Physics 2019-08-14 N. Coppola

Jet substructure and differential cross sections for jets produced in the photoproduction and deep inelastic ep scattering regimes have been measured with the ZEUS detector at HERA using an integrated luminosity of 82.2 pb-1. The…

High Energy Physics - Experiment · Physics 2008-11-26 the ZEUS Collaboration , S. Chekanov

Inclusive jet and multijet cross sections measured in ep collisions in different kinematic regions by the H1 and ZEUS experiments are shown. The measurements are used to extract the strong coupling alpha_s as a function of the scale and at…

High Energy Physics - Experiment · Physics 2019-08-14 Katharina Müller

The data from the HERA experiments H1 and ZEUS allows a precise extraction of the strong coupling constant {\alpha}S with the highest experimental precision (sub 1%). A review of recent measurements of jet cross sections in neutral current…

High Energy Physics - Experiment · Physics 2010-06-01 Mihajlo Mudrinic

Recent results from the H1 and ZEUS Collaborations on inclusive single and multiple jet production in the neutral current deep inelastic scattering of electrons/positrons on protons and the high energy photoproduction on protons at HERA are…

High Energy Physics - Experiment · Physics 2007-05-23 Gerd W. Buschhorn

Recent ZEUS measurements of inclusive-jet and dijet cross sections in neutral current deep inelastic ep scattering at HERA are presented. The data correspond to more than a two-fold increase in statistics compared to previous studies. The…

High Energy Physics - Experiment · Physics 2009-07-22 C. Gwenlan

Inclusive jet cross section measurements from the ATLAS, CDF, CMS, D0, H1, STAR, and ZEUS experiments are explored for determinations of the strong coupling constant $\alpha_{\text{s}}(M_{\text{Z}})$. Various jet cross section data sets are…

High Energy Physics - Phenomenology · Physics 2018-07-25 Daniel Britzger , Klaus Rabbertz , Daniel Savoiu , Georg Sieber , Markus Wobisch

The strong coupling constant \alpha_S can be measured in deep inelastic ep scattering by employing various methods. Recent results on the extraction of \alpha_S using jet and event shape observables are presented. The results are found to…

High Energy Physics - Experiment · Physics 2007-05-23 Ch. Wissing

The status of determinations of the QCD coupling constant, alphas, at HERA is reviewed. Since jet final states provide the most relevant input to the HERA determinations of alphas, the relevant methods used in and results from jet physics…

High Energy Physics - Experiment · Physics 2011-12-06 Thomas Schoerner-Sadenius

The status is reviewed of recent high precision measurements of inclusive-jet, dijet and trijet production in deep-inelastic scattering and photoproduction by the HERA experiments H1 and ZEUS. The measurements are in good agreement with…

High Energy Physics - Experiment · Physics 2015-06-03 Roman Kogler

Results on jet measurements in neutral current deep inelastic scattering at HERA are presented. The low-$x_{Bj}$ and low-$Q^2$ region is explicitly investigated using forward jet production and the azimuthal asymmetry between jets in dijet…

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

A summary of recent results from ZEUS is presented. New ZEUS results from HERA-1 data include Structure Functions, QCD fits, analysis of hadronic final states, precision measurements of alpha_s, production of heavy flavor mesons and baryons…

High Energy Physics - Experiment · Physics 2007-05-23 Wesley H. Smith , U. Wisconsin

Recent \alphas determinations from jet production at HERA are presented. Three different observables lead to consistent alpha values. The result is consistent with the world average and has an error of about 0.006. This is quite a…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Carli

The data collected with the H1 and ZEUS detectors during the running period 1994-99 are used to give an experimental review on the proton structure functions and the neutral current and charged current large Q^2 cross sections in e^\pm p…

High Energy Physics - Experiment · Physics 2007-05-23 Giuseppe Iacobucci

Differential cross sections for jet photoproduction in the reaction ep --> e jet X have been measured with the ZEUS detector at HERA using 82.2 pb^-1 of integrated luminosity. Inclusive jet cross sections are presented as a function of the…

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

Jet production in electron-proton scattering at HERA provides an important testing ground for Quantum Chromodynamics (QCD). The inclusive jet and multi-jet cross sections recently measured by H1 and ZEUS collaborations allow a precise…

High Energy Physics - Experiment · Physics 2009-06-08 Maxime Gouzevitch
‹ Prev 1 2 3 10 Next ›