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Related papers: Energy flow between jets in the kt algorithm

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We study multiple scatterings of jets on constituents of quark gluon plasma and introduce energy--energy correlations to quantify their effects. The effects from a longitudinally expanding plasma on medium as well as high energy jets are…

High Energy Physics - Phenomenology · Physics 2009-10-28 Jicai Pan , Charles Gale

The k_t and Cambridge/Aachen inclusive jet finding algorithms for hadron-hadron collisions can be seen as belonging to a broader class of sequential recombination jet algorithms, parametrised by the power of the energy scale in the distance…

High Energy Physics - Phenomenology · Physics 2011-01-13 Matteo Cacciari , Gavin P. Salam , Gregory Soyez

We present a quantitative study of energy flow away from jets by numerically solving the evolution equation derived by Banfi, Marchesini and Smye (BMS), and apply the result to two processes at the LHC: Discriminating high-p_t jets…

High Energy Physics - Phenomenology · Physics 2009-11-05 Yoshitaka Hatta , Takahiro Ueda

We reveal the direct link between the jet clustering algorithms recently proposed by Howard Georgi and parton shower kinematics, providing firm foundation from the theoretical side. The kinematics of this class of elegant algorithms is…

High Energy Physics - Phenomenology · Physics 2015-06-11 Shao-Feng Ge

We compare results of $k_t$-factorization approach and next-to-leading order collinear-factorization approach for dijet correlations in proton-proton collisions at RHIC energies. We discuss correlations in azimuthal angle as well as…

High Energy Physics - Phenomenology · Physics 2008-11-26 Antoni Szczurek , Anna Rybarska , Gabriela Slipek

The hadronic kt-spectrum inside a high energy jet is determined including corrections of relative magnitude O{\sqrt{\alpha_s}} with respect to the Modified Leading Logarithmic Approximation (MLLA), in the limiting spectrum approximation…

High Energy Physics - Phenomenology · Physics 2011-03-23 Redamy Perez Ramos , Francois Arleo , Bruno Machet

We investigate the medium induced fragmentation of jets in a high-temperature QCD plasma. Based on an effective kinetic theory of QCD, we study the non-equilibrium evolution of the jet shower and the chemical equilibration of jet fragments…

High Energy Physics - Phenomenology · Physics 2020-09-08 Soeren Schlichting , Ismail Soudi

I illustrate a general formalism based upon the subtraction method for the calculation of next-to-leading order QCD cross sections for any number of jets in any type of hard collisions. I discuss the implementation of this formalism in a…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. Frixione

I discuss non-global observables in jet physics which contain single logarithmic contributions of non standard type (non-global logs)

High Energy Physics - Phenomenology · Physics 2007-05-23 Giuseppe Marchesini

Heavy-quark jets are important in many of today's collider studies and searches, yet predictions for them are subject to much larger uncertainties than for light jets. This is because of strong enhancements in higher orders from large…

High Energy Physics - Phenomenology · Physics 2011-01-25 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

Jet quenching - the modification of high-energy jets in the quark-gluon plasma - has been extensively studied through weakly coupled scattering amplitudes embedded in parton-shower frameworks. These models, often combined with bulk…

High Energy Physics - Phenomenology · Physics 2026-04-10 Ismail Soudi , Adam Takacs

The invention of the transformer architecture has revolutionized Artificial Intelligence (AI), yielding unprecedented success in areas such as natural language processing, computer vision, and multimodal reasoning. Despite these advances,…

Machine Learning · Computer Science 2025-06-25 Kenneth L. Clarkson , Lior Horesh , Takuya Ito , Charlotte Park , Parikshit Ram

We derive a recursion relation for the analytic leading logarithmic coefficients of a final state gluon cascade. We demonstrate the potential of our method by analytically computing the rate coefficients for the emission of up to 80 gluons…

High Energy Physics - Phenomenology · Physics 2015-06-16 Erik Gerwick

We discuss the physics underlying an all-order resummation of logarithmic enhanced contributions to dijet cross sections, and present preliminary results for the distribution in the dijet transverse energy difference in DIS.

High Energy Physics - Phenomenology · Physics 2017-08-23 A. Banfi

The quark-gluon plasma (QGP) is an exotic phase of matter, composed of deconfined quarks and gluons and is briefly created in heavy-ion collisions (HIC) at the LHC and at the RHIC. High-energy, self-collimated structures of final-state…

High Energy Physics - Phenomenology · Physics 2023-11-10 Eamonn Weitz

We compute the inclusive jet spectrum in the presence of a dense QCD medium by going beyond the single parton energy loss approximation. We show that higher-order corrections are important yielding large logarithmic contributions that must…

High Energy Physics - Phenomenology · Physics 2019-03-05 Yacine Mehtar-Tani , Konrad Tywoniuk

The leading order $\alpha_s$ effect in jet quenching corresponds to the broadening of the jet's transverse momentum, due to the multiple interactions with the underlying medium. A complete understanding of momentum broadening is critical…

High Energy Physics - Phenomenology · Physics 2021-10-07 João Barata , Carlos A. Salgado

We derive the leading non-global logarithms (NGLs) of ratios of jet masses m_{1,2} and a jet energy veto \Lambda due to soft gluons splitting into regions in and out of jets. Such NGLs appear in any exclusive jet cross section with multiple…

High Energy Physics - Phenomenology · Physics 2015-05-30 Andrew Hornig , Christopher Lee , Jonathan R. Walsh , Saba Zuberi

We introduce a new 'quantile' analysis strategy to study the modification of jets as they traverse through a droplet of quark-gluon plasma. To date, most jet modification studies have been based on comparing the jet properties measured in…

High Energy Physics - Phenomenology · Physics 2019-09-18 Jasmine Brewer , José Guilherme Milhano , Jesse Thaler

We discuss the recent progress that has been made towards the computation of three-loop non-planar master integrals relevant to next-to-next-to-next-to-leading-order (N$^3$LO) corrections to processes such as H+jet production at the LHC. We…

High Energy Physics - Phenomenology · Physics 2023-09-20 Dhimiter D. Canko , Nikolaos Syrrakos