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Related papers: Optimal jet radius in kinematic dijet reconstructi…

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In this paper we consider the fragmentation of a parton into a jet with small jet radius $R$. Perturbatively, logarithms of $R$ can appear, which for narrow jets can lead to large corrections. Using soft-collinear effective theory, we…

High Energy Physics - Phenomenology · Physics 2016-12-28 Lin Dai , Chul Kim , Adam K. Leibovich

The performance of reconstruction and calibration of jets and missing transverse momentum in the CMS Collaboration, together with the latest tools for pileup mitigation, is presented. The results shown are relative to the data collected…

High Energy Physics - Experiment · Physics 2021-01-18 Andrea Malara

Jet substructure variables for hadronic jets with transverse momenta in the range from 2.5 TeV to 20 TeV were studied using several designs for the spatial size of calorimeter cells. The studies used the full Geant4 simulation of…

Instrumentation and Detectors · Physics 2019-09-04 C. -H. Yeh , S. V. Chekanov , A. V. Kotwal , J. Proudfoot , S. Sen , N. V. Tran , S. -S. Yu

In order to assess the ability of jet observables to constrain the characteristics of the medium produced in heavy-ion collisions at the LHC, we investigate the influence of background subtraction and jet quenching on jet reconstruction,…

High Energy Physics - Phenomenology · Physics 2013-01-04 Liliana Apolinário , Néstor Armesto , Letícia Cunqueiro

We present a semi-analytical hydrodynamical model for the structure of reconfinement shocks formed in astrophysical relativistic jets interacting with external medium. We take into account exact conservation laws, both across the shock…

Astrophysics · Physics 2009-11-13 Krzysztof Nalewajko , Marek Sikora

We present a systematic study of dijet suppression at RHIC using the VNI/BMS parton cascade code. We examine the medium modification of the dijet asymmetry $A_j$ and the energy distribution within the dijets. Understanding the sensitivity…

High Energy Physics - Phenomenology · Physics 2012-10-15 C. E. Coleman-Smith , B. Muller

The QCD predictions for single-inclusive jet production are computed with joint resummation of threshold and jet radius logarithms. The results are compared to those based on fixed order perturbation theory up to next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2018-08-15 Sven-Olaf Moch , Engin Eren , Katerina Lipka , Xiaohui Liu , Felix Ringer

Measurements of jet substructure in Pb+Pb collisions provide key insights into the mechanism of jet quenching in the hot and dense QCD medium created in these collisions. This Letter presents a measurement of the suppression of large-radius…

Nuclear Experiment · Physics 2025-12-10 ATLAS Collaboration

Full jet reconstruction in relativistic heavy ion collisions provides new and unique insights to the physics of parton energy loss. Because of the large underlying event multiplicity in $A+A$ collisions, random and correlated fluctuations…

Nuclear Experiment · Physics 2009-07-22 N. Grau , B. A. Cole , W. G. Holzmann , M. Spousta , P. Steinberg

A small, spherical bubble of high internal pressure is inserted into water at constant ambient pressure as a model of a laser-induced bubble. Its subsequent dynamics near a flat solid boundary is studied in dependence on the distance of the…

Fluid Dynamics · Physics 2020-09-30 Christiane Lechner , Werner Lauterborn , Max Koch , Robert Mettin

This article describes the FFTJet software package designed to perform jet reconstruction in the analysis of high energy physics experimental data. A two-stage approach is adopted in which pattern recognition is performed first, utilizing…

High Energy Physics - Experiment · Physics 2009-07-03 I. Volobouev

The collimation of a Poynting-flux dominated jet by a wind emanating from the surface of an accretion flow is computed using a semi-analytic model. The injection of the disk wind is treated as a boundary condition in the equatorial plane,…

High Energy Astrophysical Phenomena · Physics 2017-02-08 Noemie Globus , Amir Levinson

We present a reconstruction of jet geometry models using numerical methods based on a Markov ChainMonte Carlo (MCMC) and limited memory Broyden-Fletcher-Goldfarb-Shanno (BFGS) optimized algorithm. Our aim is to model the three-dimensional…

Instrumentation and Methods for Astrophysics · Physics 2022-10-10 Kunyang Li , Katie Kosak , Sayali S. Avachat , Eric S. Perlman

The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton-proton data produced at a centre-of-mass energy of 8 TeV with an integrated…

High Energy Physics - Experiment · Physics 2021-04-09 ATLAS Collaboration

The computation of radiative energy loss in a finite size QCD medium with dynamical constituents is a key ingredient for obtaining reliable predictions for jet quenching in ultra-relativistic heavy ion collisions. We here present a…

Nuclear Theory · Physics 2010-01-07 Magdalena Djordjevic

In this paper, we have experimentally, numerically and theoretically investigated the water jet cleaning process. Very high speed water jets (~80-200 m/s) are typically used in such cleaning operations. These jets diffuse in the surrounding…

Fluid Dynamics · Physics 2011-02-01 Anirban Guha , Ronald M. Barron , Ram Balachandar

A global fit for $\alpha_s(m_Z)$ is performed on available $e^+e^-$ data for the heavy jet mass distribution. The state-of-the-art theory prediction includes $\mathcal{O}(\alpha_s^3)$ fixed-order results, N$^3$LL$^\prime$ dijet resummation,…

High Energy Physics - Phenomenology · Physics 2026-05-05 Miguel A. Benitez , Arindam Bhattacharya , Andre H. Hoang , Vicent Mateu , Matthew D. Schwartz , Iain W. Stewart , Xiaoyuan Zhang

We review recent developments related to jet clustering algorithms and jet reconstruction, with particular emphasis on their implications in heavy ion collisions. These developments include fast implementations of sequential recombination…

High Energy Physics - Phenomenology · Physics 2009-10-09 Juan Rojo

(abridged) Significant progress has been made in the last years in the understanding of the jet formation mechanism through a combination of numerical simulations and analytical MHD models for outflows characterized by the symmetry of…

Solar and Stellar Astrophysics · Physics 2015-05-18 Matthias Stute , Jose Gracia , Kanaris Tsinganos , Nektarios Vlahakis

We ask what determines the (small) angle of turbulent jets. To answer this question we first construct a deterministic vortex-street model representing the large scale structure in a self-similar plane turbulent jet. Without adjustable…

Chaotic Dynamics · Physics 2009-11-13 Victor L'vov , Anna Pomyalov , Itamar Procaccia , Rama Govindarajan
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