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相关论文: Jets plus Missing Energy with an Autofocus

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We present several strategies for searching for supersymmetry in dijet channels that do not explicitly invoke missing energy. Preliminary investigations suggest that signal-to-background ratios of at least 4--5 should be achievable at the…

高能物理 - 唯象学 · 物理学 2008-12-18 Lisa Randall , David Tucker-Smith

Minijet production and transverse energy are important not only to understand hadronic collisions, but also for the interpretation of nucleus collisions at RHIC and LHC, where it determines the ``initial conditions'' for the flow in a…

高能物理 - 唯象学 · 物理学 2007-05-23 Gosta Gustafson

We consider the spin determination of new colored particles in the missing energy plus jets channel at the early stage of LHC. We use a three site moose model to describe the low energy Lagrangian of all same spin partner (LHT or UED like)…

高能物理 - 唯象学 · 物理学 2015-03-17 Mihoko M. Nojiri , Jing Shu

Full jet reconstruction in ALICE uses the combined information from charged and neutral particles. Essentially all jet constituents can be measured with large efficiency down to very low transverse momenta (pT > 150 MeV/c). This has the…

核实验 · 物理学 2015-06-11 Andreas Morsch

Deep neural networks trained for jet tagging are typically specific to a narrow range of transverse momenta or jet masses. Given the large phase space that the LHC is able to probe, the potential benefit of classifiers that are effective…

高能物理 - 唯象学 · 物理学 2022-06-03 Matthew J. Dolan , Ayodele Ore

We use modern jet-substructure techniques to propose LHC searches for multijet-resonance signals without leptons or missing energy. We focus on three-jet resonances produced by R-parity-violating decays of boosted gluinos, showing that…

高能物理 - 唯象学 · 物理学 2013-09-30 David Curtin , Rouven Essig , Brian Shuve

We study dynamics of a QGP fluid induced by energetic partons propagating through it. We construct a (3+1)-dimensional QGP-fluid+Jet model. When a jet traverses a uniform fluid, it induces a Mach cone structure of energy density…

核理论 · 物理学 2015-06-11 Yasuki Tachibana , Tetsufumi Hirano

We show that Jet Energy Correlation variables can be used effectively to discover and distinguish a wide variety of boosted light dijet resonances at the LHC through sensitivity to their transverse momentum and color structures.

高能物理 - 唯象学 · 物理学 2017-10-16 R. Sekhar Chivukula , Kirtimaan A. Mohan , Dipan Sengupta , Elizabeth H. Simmons

This work explores the potential reach of the 7 TeV LHC to new colored states in the context of simplified models and addresses the issue of which search regions are necessary to cover an extensive set of event topologies and kinematic…

高能物理 - 唯象学 · 物理学 2015-05-27 Daniele S. M. Alves , Eder Izaguirre , Jay G. Wacker

Di-Higgs production at the LHC associated with missing transverse energy is explored in the context of simplified models that generically parameterize a large class of models with heavy scalars and dark matter candidates. Our aim is to…

高能物理 - 唯象学 · 物理学 2024-11-25 Ernesto Arganda , Manuel Epele , Nicolas I. Mileo , Roberto A. Morales

The "Underlying Event" at CMS (under nominal and start-up conditions) is studied by examining charged particle and momentum densities in the "transverse" region in charged particle jet production. The predictions of various QCD models with…

高能物理 - 实验 · 物理学 2008-10-28 Yuan Chao

A generic jet-energy loss model that is coupled to state-of-the-art hydrodynamic fields and interpolates between a wide class of running coupling pQCD-based and AdS/CFT-inspired models is compared to recent data on the azimuthal and…

高能物理 - 唯象学 · 物理学 2014-02-17 Barbara Betz , Miklos Gyulassy

At the LHC, using forward + central detectors, it becomes possible for the first time to carry out measurements of the transverse energy flow due to ``minijets" accompanying production of two jets separated by a large rapidity interval. We…

高能物理 - 唯象学 · 物理学 2011-12-30 M. Deak , F. Hautmann , H. Jung , K. Kutak

We study the structure of jets in proton-proton collisions at LHC energies using \textsc{Pythia} 8 Monte Carlo simulations. We demonstrate that the radial jet profiles exhibit scaling properties with charged-hadron event multiplicity over a…

高能物理 - 唯象学 · 物理学 2021-07-13 Antal Gemes , Robert Vertesi , Gabor Papp , Gergely Gabor Barnafoldi

We consider the acceleration of energetic particles by a velocity shear in the relativistic background flow containing scattering centers. Three possible acceleration sites for astrophysical jets are identified: (1) gradual velocity shear…

天体物理学 · 物理学 2009-11-10 Frank M. Rieger , Peter Duffy

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…

高能物理 - 实验 · 物理学 2013-06-11 ATLAS Collaboration

In all modern hadronic colliders, jets recieve a large contribution from a soft background: pileup in the case of proton-proton collisions at the LHC, or the underlying event for heavy-ion collisions at RHIC or the LHC. In these…

高能物理 - 唯象学 · 物理学 2009-05-19 Gregory Soyez

If "dark quarks" from a confining hidden sector are produced at the LHC, they will shower and hadronize to dark sector hadrons, which may decay back to Standard Model particles within the detector, possibly resulting in a collimated spray…

高能物理 - 唯象学 · 物理学 2023-08-24 Debjyoti Bardhan , Yevgeny Kats , Noam Wunch

Searches for supersymmetry (SUSY) often rely on a combination of hard physics objects (jets, leptons) along with large missing transverse energy to separate New Physics from Standard Model hard processes. We consider a class of…

高能物理 - 唯象学 · 物理学 2015-05-28 Daniele S. M. Alves , Jia Liu , Neal Weiner

Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb^-1 of pp collision data at sqrt(s) = 7 TeV collected by the ATLAS experiment at the Large…

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