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A systematic framework for jet definition is developed from first principles of physical measurement, quantum field theory, and QCD. A jet definition is found which: is theoretically optimal in regard of both minimization of detector errors…

High Energy Physics - Phenomenology · Physics 2009-10-31 Fyodor V. Tkachov

We introduce a new jet-finding algorithm for a hadron collider based on maximizing a J_{E_T} function for all possible combinations of particles in an event. This function prefers a larger value of the jet transverse energy and a smaller…

High Energy Physics - Phenomenology · Physics 2014-11-14 Yang Bai , Zhenyu Han , Ran Lu

I describe a class of iterative jet algorithms that are based on maximizing a fixed function of the total 4-momentum rather than clustering of pairs of jets. I describe some of the properties of the simplest examples of this class,…

High Energy Physics - Phenomenology · Physics 2014-09-02 Howard Georgi

Standard jet finding techniques used in elementary particle collisions have not been successful in the high track density of heavy-ion collisions. This paper describes a modified cone-type jet finding algorithm developed for the complex…

Nuclear Experiment · Physics 2008-11-26 S-L Blyth , M J Horner , T Awes , T Cormier , H Gray , J L Klay , S R Klein , M van Leeuwen , A Morsch , G Odyniec , A Pavlinov

The jet shape is a simple measure of how widely a jet's energy is spread. At present jet shape distributions have only been calculated to leading order in perturbative QCD. In this paper we consider how much these predictions should be…

High Energy Physics - Phenomenology · Physics 2009-10-30 Michael H. Seymour

Two main classes of jet clustering algorithms, cone and k_t, are briefly discussed. It is argued that the former can be often cumbersome to define and implement, and difficult to analyze in terms of its behaviour with respect to soft and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matteo Cacciari

Identifying jets formed in high-energy particle collisions requires solving optimization problems over potentially large numbers of final-state particles. In this work, we consider the possibility of using quantum computers to speed up jet…

High Energy Physics - Phenomenology · Physics 2020-05-20 Annie Y. Wei , Preksha Naik , Aram W. Harrow , Jesse Thaler

This talk reviews some key developments that have taken place in hadron-collider jet finding over the past couple of years, including: technical advances such as the complete formulation of an infrared safe seedless cone algorithm and fast…

High Energy Physics - Phenomenology · Physics 2009-01-16 Gavin P. Salam

We review recent developments related to jet clustering algorithms and jet finding. These include fast implementations of sequential recombination algorithms, new IRC safe algorithms, quantitative determination of jet areas and quality…

High Energy Physics - Phenomenology · Physics 2008-11-24 Juan Rojo

At high-energy colliders, jets of hadrons are the observable counterparts of the perturbative concepts of quarks and gluons. Good procedures for identifying jets are central to experimental analyses and comparisons with theory. The Kt…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matteo Cacciari , Gavin P. Salam

Collimated streams of particles produced in high energy physics experiments are organized using clustering algorithms to form jets. To construct jets, the experimental collaborations based at the Large Hadron Collider (LHC) primarily use…

High Energy Physics - Phenomenology · Physics 2016-09-06 Lester Mackey , Benjamin Nachman , Ariel Schwartzman , Conrad Stansbury

We introduce a new jet algorithm called XCone, for eXclusive Cone, which is based on minimizing the event shape N-jettiness. Because N-jettiness partitions every event into N jet regions and a beam region, XCone is an exclusive jet…

High Energy Physics - Phenomenology · Physics 2016-01-20 Iain W. Stewart , Frank J. Tackmann , Jesse Thaler , Christopher K. Vermilion , Thomas F. Wilkason

Under which conditions does a jet appear as a particle--like signal from the hidden realm of quarks and gluons? Motivated by this question jet clustering conditions are formulated, in order to characterize jet clustering algorithms, which…

High Energy Physics - Phenomenology · Physics 2008-02-03 Hermann Hessling

I present results from a next-to-leading order event generator of purely gluonic jet production. This calculation is the first step in the construction of a full next-to-leading order calculation of three jet production at hadron colliders.…

High Energy Physics - Phenomenology · Physics 2007-05-23 William B. Kilgore

The structure of hadronic jets depends not only on the dynamics of QCD but also on the details of the jet finding algorithm and the physical process in which the jet is produced. To study these effects in more detail we calculate the jet…

High Energy Physics - Phenomenology · Physics 2011-07-19 Junegone Chay , Stephen D. Ellis

We present a next-to-leading order QCD calculation for the single-inclusive production of collimated jets at hadron colliders, when the jet is defined by maximizing a suitable jet function that depends on the momenta of final-state…

High Energy Physics - Phenomenology · Physics 2015-03-05 Tom Kaufmann , Asmita Mukherjee , Werner Vogelsang

We introduce a new class of event shapes to characterize the jet-like structure of an event. Like traditional event shapes, our observables are infrared/collinear safe and involve a sum over all hadrons in an event, but like a jet…

High Energy Physics - Phenomenology · Physics 2015-06-17 Daniele Bertolini , Tucker Chan , Jesse Thaler

We review various aspects of jet physics in the context of hadron colliders. We start by discussing the definitions and properties of jets and recent development in this area. We then consider the question of factorization for processes…

High Energy Physics - Phenomenology · Physics 2016-09-14 Sebastian Sapeta

We present a systematic methodology to develop high order accurate numerical approaches for linear advection problems. These methods are based on evolving parts of the jet of the solution in time, and are thus called jet schemes. Through…

Numerical Analysis · Mathematics 2023-08-17 Benjamin Seibold , Jean-Christophe Nave , Rodolfo Ruben Rosales

Jets with a large radius $R\gtrsim 1$ and grooming algorithms are widely used to fully capture the decay products of boosted heavy particles at the Large Hadron Collider (LHC). Unlike most discriminating variables used in such studies, the…

High Energy Physics - Phenomenology · Physics 2016-09-06 Benjamin Nachman , Pascal Nef , Ariel Schwartzman , Maximilian Swiatlowski , Chaowaroj Wanotayaroj
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