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Related papers: The Underlying Event in Hadron-Hadron Collisions

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The hypothesis about the relation between the observed alignment of spots in the x-ray film in cosmic ray emulsion experiments and the features of events in which jets prevail at super high energies is tested. Due to strong dynamical…

High Energy Physics - Phenomenology · Physics 2009-01-07 I. P. Lokhtin , A. K. Managadze , L. I. Sarycheva , A. M. Snigirev

We performed a measurement of differential and integral jet shapes in proton-carbon, proton-tungsten and proton-aluminium collisions at 920 GeV/c proton momentum with the HERA-B detector at HERA for the jet transverse energies in the range…

Nuclear Experiment · Physics 2008-11-26 D. Yu. Golubkov , Yu. A. Golubkov

Recently, energy-energy correlators (EECs) have garnered renewed interest for studying hadronic collisions at the Large Hadron Collider (LHC) and the Relativistic Heavy Ion Collider (RHIC). EEC measurements within jets provide a clear scale…

High Energy Physics - Experiment · Physics 2025-01-10 Hannah Bossi , Austin Baty , Yi Chen , Yu-Chen Chen , Gian-Michele Innocenti , Marcello Maggi , Chris McGinn , Yen-Jie Lee

The first measurement of the dijet transverse momentum balance $x_j$ in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV is presented. The $x_j$ observable, defined as the ratio of…

Nuclear Experiment · Physics 2025-07-18 CMS Collaboration

We report a set of measurements of particle production in inelastic pbar{p} collisions collected with a minimum-bias trigger at the Tevatron Collider with the CDF II experiment. The inclusive charged particle transverse momentum…

High Energy Physics - Experiment · Physics 2010-12-28 CDF Collaboration , T. Aaltonen

Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton--proton collision data corresponding to an integrated luminosity of 36.1 fb${}^{-1}$ at a…

High Energy Physics - Experiment · Physics 2018-02-05 ATLAS Collaboration

We investigate the effect of energy loss of jets in high energy heavy ion collisions by using a full three-dimensional space-time evolution of a fluid combined with (mini-)jets that are explicitly evolved in space-time. In order to fit the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Tetsufumi Hirano , Yasushi Nara

A search for new physics is carried out in events with at least three electrons or muons in any combination, jets, and missing transverse momentum. Results are based on the sample of proton-proton collision data produced by the LHC at a…

High Energy Physics - Experiment · Physics 2018-02-21 CMS Collaboration

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy of sqrt(s) = 7 TeV corresponding to an integrated…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

Energy-energy correlators (EECs) provide a sensitive probe of both perturbative and nonperturbative dynamics in relativistic heavy-ion collisions. Jet-medium interactions enhance particle multiplicity within the jet cone, which must be…

Nuclear Theory · Physics 2026-05-12 Rushil Saraswat , Aditya Prasad Dash , Huan Zhong Huang , Gang Wang , Xin-Nian Wang , Zhong Yang

Inclusive jet cross sections in photoproduction for events containing a $D^*$ meson have been measured with the ZEUS detector at HERA using an integrated luminosity of $78.6 {\rm pb}^{-1}$. The events were required to have a virtuality of…

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

I discuss new experimental results reported at this conference that bear directly on three previously reported anomalies: the excess of high Q^2 events at HERA; the excess of W + 1 jet events, relative to W's without jets, in D0 data; and…

High Energy Physics - Experiment · Physics 2007-05-23 Mark Strovink

Searches for physics beyond the Standard Model are reported from electron-proton collisions at a center of mass energy of 318 GeV. Results on a completely model independent search for deviations from Standard Model predictions at large…

High Energy Physics - Experiment · Physics 2007-11-06 Peter Schleper

We present the first exclusive observation of the ttbar to hadronic tau + jets decay channel. Using these events from 1.96 TeV ppbar collisions at CDF, we measure the ttbar cross section as well as the top quark mass. Events require a…

High Energy Physics - Experiment · Physics 2019-08-14 Daryl Hare , Eva Hakiadakis

Dijet events in photon-proton collisions in which there is a large pseudorapidity separation Delta eta > 2.5 between the two highest E_T jets are studied with the H1 detector at HERA. The inclusive dijet cross sections are measured as…

High Energy Physics - Experiment · Physics 2008-11-26 H1 Collaboration , C. Adloff

A measurement of the underlying event (UE) activity in proton-proton collisions at a center-of-mass energy of 7 TeV is performed using Drell--Yan events in a data sample corresponding to an integrated luminosity of 2.2 inverse femtobarns,…

High Energy Physics - Experiment · Physics 2013-01-24 CMS Collaboration

A search for events with large missing transverse momentum, jets, and at least two tau leptons has been performed using 2 fb^-1 of proton-proton collision data at sqrt(s) = 7 TeV recorded with the ATLAS detector at the Large Hadron…

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

We study the distribution of transverse energy, Q_Omega, radiated into an arbitrary interjet angular region, Omega, in high-p_T two-jet events. Using an approximation that emphasizes radiation directly from the partons that undergo the hard…

High Energy Physics - Phenomenology · Physics 2014-11-17 Carola F. Berger , Tibor Kucs , George Sterman

The measurements of the minimum bias events provide valuable information on the basic properties of the $pp$ interactions. The results at the new highest energy of $pp$ collisions, $\sqrt{s}$ = 13 TeV, obtained using the ATLAS detector, are…

High Energy Physics - Experiment · Physics 2015-12-31 Krzysztof W. Woźniak

We study the event shape variables, transverse energy energy correlation TEEC $(\cos \phi)$ and its asymmetry ATEEC $(\cos \phi)$ in deep inelastic scattering (DIS) at the electron-proton collider HERA, where $\phi$ is the angle between two…

High Energy Physics - Phenomenology · Physics 2020-12-30 Ahmed Ali , Gang Li , Wei Wang , Zhi-Peng Xing
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