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We consider the production of a single $Z$ or $W$ boson in association with jets at the LHC. We compute the corresponding cross sections by matching NLO QCD predictions with the Herwig++ and Pythia8 parton showers, and by merging all of the…

高能物理 - 唯象学 · 物理学 2016-03-23 Rikkert Frederix , Stefano Frixione , Andreas Papaefstathiou , Stefan Prestel , Paolo Torrielli

We provide the first theoretical study of a novel variable, $a_T$, proposed in Ref.[1] as a more accurate probe of the region of low transverse momentum $p_T$, for the $Z$ boson $p_T$ distribution at hadron colliders. The $a_T$ is the…

高能物理 - 唯象学 · 物理学 2010-05-27 Andrea Banfi , Mrinal Dasgupta , Rosa Maria Duran Delgado

The production of K^0_S mesons and Lambda baryons in quark and gluon jets has been investigated using two complementary techniques. In the first approach, which provides high statistical accuracy, jets were selected using different jet…

高能物理 - 实验 · 物理学 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

In this talk, we present a way to improve the accuracy of theoretical predictions for Higgs boson production cross sections at the LHC using the measurements of lepton angular distributions. In this regards, we exploit the sensitivity of…

高能物理 - 唯象学 · 物理学 2021-04-08 Francesco Giuli

Results are presented from a search for supersymmetry in events with a single electron or muon and hadronic jets. The data correspond to a sample of proton-proton collisions at $\sqrt{s} = $ 13 TeV with an integrated luminosity of 35.9…

高能物理 - 实验 · 物理学 2018-03-23 CMS Collaboration

The production of vector boson tagged heavy quark jets potentially provides new tools to probe the jet quenching effect. In this paper, we present the first theoretical study on the angular correlations ($\Delta\phi_{bZ}$), transverse…

高能物理 - 唯象学 · 物理学 2023-04-07 Sa Wang , Wei Dai , Ben-Wei Zhang , Enke Wang

Measurements of the differential cross sections of Z + jets and $\gamma$ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between…

高能物理 - 实验 · 物理学 2021-06-08 CMS Collaboration

We present a phenomenological study of angularities measured on the highest transverse-momentum jet in LHC events that feature the associate production of a $Z$ boson and one or more jets. In particular, we study angularity distributions…

高能物理 - 唯象学 · 物理学 2021-07-15 Simone Caletti , Oleh Fedkevych , Simone Marzani , Daniel Reichelt , Steffen Schumann , Gregory Soyez , Vincent Theeuwes

The transverse momentum distribution of massive neutral vector bosons can be measured to high accuracy at hadron colliders. The transverse momentum is caused by a partonic recoil, and is determined by QCD dynamics. We compute the single and…

高能物理 - 唯象学 · 物理学 2016-05-16 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , T. A. Morgan

We show that the production of a Higgs boson in association with a jet in proton-proton collisions is sensitive to the linear polarization of gluons inside unpolarized protons. We present the analytical expressions, at leading order in…

高能物理 - 唯象学 · 物理学 2015-07-28 Cristian Pisano

In this paper, we report a study of $Z$ boson kinematic distributions in the $Z$+ 1-jet events from proton-proton ($pp$) collisions at $\sqrt{s}$ = 13.6 TeV at the Large Hadron Collider (LHC) using Leading-Order (LO) event generators. Three…

高能物理 - 唯象学 · 物理学 2024-02-06 Dharmender , Bibhuti Parida

This paper presents measurements of charged-particle distributions sensitive to the properties of the underlying event in events containing a $Z$ boson decaying into a muon pair. The data were obtained using the ATLAS detector at the LHC in…

高能物理 - 实验 · 物理学 2019-12-02 ATLAS Collaboration

We present the first measurement of the A_2 and A_3 angular coefficients of the W boson produced in proton-antiproton collisions. We study W-> e+nu and W-> mu+nu candidate events produced in association with at least one jet at CDF, during…

高能物理 - 实验 · 物理学 2019-08-14 D. Acosta

We present a detailed phenomenological study of Z-boson production in association with a jet through next-to-next-to-leading order (NNLO) in perturbative QCD. Fiducial cross sections and differential distributions for both 8 TeV and 13 TeV…

高能物理 - 唯象学 · 物理学 2016-10-17 Radja Boughezal , Xiaohui Liu , Frank Petriello

The ratio of the production cross sections for W and Z bosons in association with jets has been measured in proton-proton collisions at $\sqrt{s}$ = 7 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is based on…

高能物理 - 实验 · 物理学 2015-02-10 ATLAS Collaboration

In view of recent discussions concerning the possibly limiting energy resolution systematics on the measurement of the Z boson transverse momentum distribution at hadron colliders, we propose a novel measurement method based on the angular…

高能物理 - 实验 · 物理学 2010-12-09 Maarten Boonekamp , Matthias Schott

The ratio of production cross sections of the W and Z bosons with exactly one associated jet is presented as a function of jet transverse momentum threshold. The measurement has been designed to maximise cancellation of experimental and…

高能物理 - 实验 · 物理学 2012-08-27 ATLAS Collaboration

This paper presents a study of the production of $WW$ or $WZ$ boson pairs, with one $W$ boson decaying to $e\nu$ or $\mu\nu$ and one $W$ or $Z$ boson decaying hadronically. The analysis uses 20.2 fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collision…

高能物理 - 实验 · 物理学 2017-09-07 ATLAS Collaboration

We report on potential for measurement of W and Z boson production accompanied by jets. Of particular interest are jet multiplicity and $P_{\rm T}$ distributions. The 10 to 100 $pb^{-1}$ datasets expected in the startup year of operation of…

高能物理 - 实验 · 物理学 2009-04-03 Didar Dobur

W and Z bosons will be produced copiously at the LHC proton-proton collider. We study the parton distribution dependence of the total production cross sections and rapidity distributions, paying particular attention to the uncertainties…

高能物理 - 唯象学 · 物理学 2011-03-23 A. D. Martin , R. G. Roberts , W. J. Stirling , R. S. Thorne