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Related papers: Erratum: Jet Cluster Algorithms in $e^+e^-$ Annihi…

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An algorithm for an improved description of final-state QCD radiation is introduced. It is matched to the first-order matrix elements for gluon emission in a host of decays, for processes within the Standard Model and the Minimal…

High Energy Physics - Phenomenology · Physics 2009-10-31 Torbjörn Sjöstrand

In this work we provide all the missing ingredients for calculating parity-violating 3-jet observables in e^+e^- collisions at next-to-leading order (NLO) including the full quark mass dependence. In particular we give explicit results for…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Bernreuther , A. Brandenburg , P. Uwer

We revisit the impact of the jet algorithm on predictions of energy flow into gaps between hard jets, defined using the kt clustering procedure. The resulting prediction has two distinct components: a primary emission piece that is related…

High Energy Physics - Phenomenology · Physics 2009-11-11 Yazid Delenda , Robert Appleby , Andrea Banfi , Mrinal Dasgupta

This is an erratum to the paper published in Nucl. Phys. B198(1982)508.

High Energy Physics - Phenomenology · Physics 2009-10-30 A. L. Kataev , N. V. Krasnikov , A. A. Pivovarov

We discuss jet substructure in recombination algorithms for QCD jets and single jets from heavy particle decays. We demonstrate that the jet algorithm can introduce significant systematic effects into the substructure. By characterizing…

High Energy Physics - Phenomenology · Physics 2014-11-20 Stephen D. Ellis , Christopher K. Vermilion , Jonathan R. Walsh

We discuss the problems that arise when one wishes to extend the existing general methods of computing radiative corrections to QCD jet cross sections to beyond next-to-leading order. Then we present a subtraction scheme that can be defined…

High Energy Physics - Phenomenology · Physics 2009-04-14 Zoltan Trocsanyi , Gabor Somogyi

Jet substructure has emerged as a critical tool for LHC searches, but studies so far have relied heavily on shower Monte Carlo simulations, which formally approximate QCD at leading-log level. We demonstrate that systematic higher-order QCD…

High Energy Physics - Phenomenology · Physics 2012-09-18 Ilya Feige , Matthew D. Schwartz , Iain W. Stewart , Jesse Thaler

We present a QCD analysis of the cumulative out-of-event-plane momentum distribution in DIS process with emission of high p_t jets. We derive the all-order resummed result to next-to-leading accuracy and estimate the leading power…

High Energy Physics - Phenomenology · Physics 2010-02-03 A. Banfi , G. Marchesini , G. Smye , G. Zanderighi

A complete numerical solution of the evolution equation for parton multiplicities in quark and gluon jets with initial conditions at threshold is presented. Data on both hadron and jet multiplicities in e+e- annihilation are well described…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sergio Lupia , Wolfgang Ochs

The program EERAD3 computes the parton-level QCD contributions to event shapes and jet rates in electron-positron annihilation through to order $\alpha_s^3$. For three-jet production and related observables, this corresponds to…

High Energy Physics - Phenomenology · Physics 2015-06-18 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , G. Heinrich

We compute the ${\cal O}(\alpha^2\alpha_s^2)$ perturbative corrections to inclusive jet production in electron-nucleon collisions. This process is of particular interest to the physics program of a future Electron Ion Collider (EIC). We…

High Energy Physics - Phenomenology · Physics 2016-10-28 Gabriel Abelof , Radja Boughezal , Xiaohui Liu , Frank Petriello

The production of a top-quark pair, the heaviest known elementary particle, in association with a light jet is a key process for studying the properties of the Standard Model of Particle Physics. Due to its significance as a signal process…

High Energy Physics - Phenomenology · Physics 2025-11-18 Simon Badger , Matteo Becchetti , Colomba Brancaccio , Michal Czakon , Heribertus Bayu Hartanto , Rene Poncelet , Simone Zoia

We employ data taken by the JADE and OPAL experiments for an integrated QCD study in hadronic e+e- annihilations at c.m.s. energies ranging from 35 GeV through 189 GeV. The study is based on jet-multiplicity related observables. The…

High Energy Physics - Experiment · Physics 2008-11-26 The Jade , the OPAL collaborations , P. Pfeifenschneider

A quantity that promises to reveal important information on perturbative and non-perturbative QCD dynamics is the azimuthal decorrelation between jets in different hard processes. In order to access this information fixed-order NLO…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrea Banfi , Mrinal Dasgupta , Yazid Delenda

We provide updated predictions for elastic \gamma ${}^3$He cross sections and asymmetries that correct erroneous results we published in Phys. Rev. Lett. 98, 232303 (2007) and Nucl. Phys. A 819, 98 (2009).

Nuclear Theory · Physics 2018-07-04 Deepshikha Shukla , Andreas Nogga , Daniel R. Phillips

We present a new subtraction scheme for computing jet cross sections in electron-positron annihilation at next-to-leading order accuracy in perturbative QCD. The new scheme is motivated by problems emerging in extending the subtraction…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gabor Somogyi , Zoltan Trocsanyi

In this talk we discuss the calculation of the QCD corrections to parity-violating 3-jet observables in e^+e^- collisions, keeping the full quark mass dependence.

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Bernreuther , A. Brandenburg , P. Uwer

We present the first next-to-next-to-leading logarithmic resummation for the two-jet rate in $e^+e^-$ annihilation in the Durham and Cambridge algorithms. The results are obtained by extending the ARES method to observables involving any…

High Energy Physics - Phenomenology · Physics 2017-04-18 Andrea Banfi , Heather McAslan , Pier Francesco Monni , Giulia Zanderighi

We improve previously derived analytical estimates of hadronisation corrections to QCD jets at hadron colliders, firmly establishing at the two-loop level the link to the well-known power corrections to LEP event-shape variables. The…

High Energy Physics - Phenomenology · Physics 2009-07-22 Mrinal Dasgupta , Yazid Delenda

We present an analytic expression for the four-jet rate in e+e- annihilation, calculated using the coherent branching formalism in the Durham scheme. Our result resums all the leading and next-to-leading kinematic logarithms to all orders…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. J. Burby