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Related papers: Remark on Z' limits at hadron colliders

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Experimental data on inclusive cross sections of the hadrons produced in high energy proton-(anti)proton collisions are analyzed in the z-scaling approach. Saturation of the scaling function PSI(z) for z<0.1 (low transverse momenta) was…

High Energy Physics - Phenomenology · Physics 2011-01-19 I. Zborovský , M. V. Tokarev

We study the production of a single top quark in association with a heavy extra $Z'$ at hadron colliders in new physics models with and without flavor-changing neutral-current (FCNC) couplings. We use QCD soft-gluon resummation and…

High Energy Physics - Phenomenology · Physics 2020-06-01 Marco Guzzi , Nikolaos Kidonakis

Experiments at the Large Hadron Collider (LHC) have measured multiplicity distributions in p+p and p+Pb collisions at a new domain of collision energy. Based on considering an energy-dependent broadening of the nucleon's density…

High Energy Physics - Phenomenology · Physics 2015-01-07 Hongmin Wang , Zhao-Yu Hou , Xian-Jing Sun

A numerical program for the evaluation of the inclusive cross section for associated Higgs production with a massive weak gauge boson at hadron colliders is described, sigma(pp/pbar p -> HV), V=W,Z. The calculation is performed in the…

High Energy Physics - Phenomenology · Physics 2012-12-20 Oliver Brein , Robert V. Harlander , Tom J. E. Zirke

We study and compare the discovery potential for heavy neutral gauge bosons ($Z'$) at various $e^+e^-$ and $p\stackrel{(-)}{p}$ colliders that are planned or have been proposed. Typical discovery limits are for the TEVATRON $\sim 1$ TeV,…

High Energy Physics - Phenomenology · Physics 2011-07-19 Stephen Godfrey

The cross section for producing $WZ$ pairs at hadron colliders is calculated to order $\alpha_s$ for general $C$ and $P$ conserving $WWZ$ couplings. The effects of the next-to-leading-order corrections on the derived sensitivity limits for…

High Energy Physics - Phenomenology · Physics 2016-09-01 J. Ohnemus

We present a search for exclusive Z boson production in proton-antiproton collisions at sqrt(s) = 1.96 TeV, using the CDF II detector at Fermilab. We observe no exclusive Z->ll candidates and place the first upper limit on the exclusive Z…

High Energy Physics - Experiment · Physics 2009-07-22 CDF Collaboration , T. Aaltonen

The measurement of the invisible Z-boson decay width at e+e- colliders can be done "indirectly", by subtracting the Z-boson visible partial widths from the Z-boson total width, or "directly", from the process e+e- -> \gamma \nu \bar{\nu}.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Marcela Carena , Andre de Gouvea , Ayres Freitas , Michael Schmitt

The Large Hadron Collider can do precision physics at a level that is competitive with electroweak precision constraints when probing physics beyond the Standard Model. We present a simple yet general parameterization of the effect of an…

High Energy Physics - Phenomenology · Physics 2013-11-27 J. de Blas , M. Chala , Jose Santiago

The experimental data on inclusive cross sections of jet, direct photon and hadron production in pp/antipp and AA collisions at RHIC and Tevatron are analyzed in the framework of z-scaling. Results of analysis are compared with data…

High Energy Physics - Phenomenology · Physics 2007-08-21 M. Tokarev , I. Zborovsky , T. Dedovich

Leptonic decays of W/Z bosons provide the first electroweak precision measurements at the Large Hadron Collider (LHC). The results of measurements of inclusive W and Z boson production cross sections in pp collisions at $\sqrt{s}=7…

High Energy Physics - Experiment · Physics 2019-08-13 Jeremy Werner

We revisit the CDF data on di-muon production to impose constraints on a large class of Z' bosons occurring in a variety of E_6 GUT based models. We analyze the dependence of these limits on various factors contributing to the production…

High Energy Physics - Phenomenology · Physics 2015-05-27 Jens Erler , Paul Langacker , Shoaib Munir , Eduardo Rojas

The inclusive cross sections times leptonic branching ratios for W and Z boson production in PbarP collisions at Sqrt(s)=1.8 TeV were measured using the D0 detector at the Fermilab Tevatron collider: Sigma_W*B(W->e, nu) = 2.36 +/- 0.07 +/-…

High Energy Physics - Experiment · Physics 2012-08-27 D0 Collaboration

The charge asymmetry in top quark production at hadron colliders is sensitive to beyond-the-Standard-Model four-fermion interactions. In this study we compare the sensitivity of cross-section and charge asymmetry measurements to effective…

High Energy Physics - Experiment · Physics 2015-12-24 Martin Perello Rosello , Marcel Vos

We present a measurement of the cross section for $Z$ production times the branching fraction to $\tau$ leptons, $\sigma \cdot$Br$(Z\to \tau^+ \tau^-)$, in $p \bar p$ collisions at $\sqrt{s}=$1.96 TeV in the channel in which one $\tau$…

High Energy Physics - Experiment · Physics 2014-11-17 D0 Collaboration , V. M. Abazov

We study Lambda_c/Lambda}_c-bar production asymmetries in pp and pi- p collisions using a recently proposed two component model. The model includes heavy baryon production by the usual mechanism of parton fusion and fragmentation plus…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Herrera , J. Magnin

We present results from a search for WZ production with subsequent decay to l nu l'-bar l' (l and l'=electron or muon) using 0.30 fb^(-1) of data collected by the DO experiment between 2002 and 2004 at the Tevatron. Three events with WZ…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. M. Abazov

We point out that the production cross section of $pp\to V'V$, with $V'=W',Z'$ and $V=W,Z$ is a useful diagnostic of $V'$ gauge couplings at future hadron colliders. For $M_{Z'}\simeq1$ TeV it would allow determination of combinations of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Mirjam Cvetič , Paul Langacker

A next-to-leading log calculation of the reactions $pp$ and $p\overline{p}\rightarrow W^\pm\gamma X$ is presented including a tri-boson gauge coupling from non-Standard Model contributions. Two approaches are made for comparison. The first…

High Energy Physics - Phenomenology · Physics 2009-10-28 Kevin R. Barger , M. H. Reno

We present numerical results (including full one-loop QCD corrections) for the processes p p-bar and pp -> W+ W-, W+/- Z/gamma* and Z/gamma* Z/gamma* followed by the decay of the massive vector bosons into leptons. In addition to their…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. M. Campbell , R. K. Ellis