English
Related papers

Related papers: Jet areas as a tool for background subtraction

200 papers

We present a global fit to all data on the suppression of high energy jets and high energy hadrons in the most central heavy ion collisions at the LHC for two different collision energies, within a hybrid strong/weak coupling quenching…

High Energy Physics - Phenomenology · Physics 2019-05-29 Jorge Casalderrey-Solana , Zachary Hulcher , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

We present predictions for jet suppression from small to intermediate to very large radius, for low and very high energy jets created in heavy ion collisions at the LHC. We use the hybrid strong/weak coupling model for jet quenching that…

High Energy Physics - Phenomenology · Physics 2020-02-12 Daniel Pablos

Jet measurements in heavy ion collisions can provide constraints on the properties of the quark gluon plasma, but the kinematic reach is limited by a large, fluctuating background. We present a novel application of symbolic regression to…

High Energy Physics - Experiment · Physics 2024-03-12 Tanner Mengel , Patrick Steffanic , Charles Hughes , Antonio Carlos Oliveira da Silva , Christine Nattrass

The development of techniques for identifying hadronic signals from the overwhelming multi-jet backgrounds is an important part of the Large Hadron Collider (LHC) program. Of prime importance are resonances decaying into a pair of partons,…

High Energy Physics - Phenomenology · Physics 2015-03-05 Eder Izaguirre , Brian Shuve , Itay Yavin

Jets are an important probe to identify the hard interaction of interest at the LHC. They are routinely used in Standard Model precision measurements as well as in searches for new heavy particles, including jet substructure methods. In…

High Energy Physics - Phenomenology · Physics 2016-08-24 Piotr Pietrulewicz , Frank J. Tackmann , Wouter J. Waalewijn

The search for new physics at high energy accelerators has been at the crossroads with very little hint of signals suggesting otherwise. The challenges at a hadronic machine such as the LHC is compounded by the fact that final states are…

High Energy Physics - Phenomenology · Physics 2024-06-12 Aruna Kumar Nayak , Santosh Kumar Rai , Tousik Samui

Di-hadron correlations and jet-hadron correlations are frequently used to study interactions of the Quark Gluon Plasma with the hard partons that form jets. The existing background subtraction methods for these studies depend on several…

Nuclear Experiment · Physics 2016-04-29 Natasha Sharma , Joel Mazer , Meghan Stuart , Christine Nattrass

Di-hadron and jet-hadron correlations are commonly used in relativistic heavy ion collisions to study the soft component of jets in a quark gluon plasma. There is a large correlated background which is described by the Fourier decomposition…

Nuclear Experiment · Physics 2018-05-31 Christine Nattrass , Takahito Todoroki

The area of a jet is a measure of its susceptibility to radiation, like pileup or underlying event (UE), that on average, in the jet's neighbourhood, is uniform in rapidity and azimuth. In this article we establish a theoretical grounding…

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

As the LHC prepares to start taking data, this review is intended to provide a QCD theorist's understanding and views on jet finding at hadron colliders, including recent developments. My hope is that it will serve both as a primer for the…

High Energy Physics - Phenomenology · Physics 2014-11-20 Gavin P. Salam

Based on a pQCD inspired dynamical model of jet-medium interactions, Jewel, we have studied possible modifications to inclusive jet yields and a set of jet shape observables, namely, the fragmentation functions and radial momentum…

High Energy Physics - Phenomenology · Physics 2019-07-25 Rathijit Biswas , Subikash Choudhury , Sidharth Kumar Prasad , Supriya Das

Soft drop, a technique originally developed in the context of jet physics in proton-proton collisions in order to reduce the contamination from non-perturbative effects, is applied to event shapes in electron-positron annihilation. In…

High Energy Physics - Phenomenology · Physics 2019-06-27 Jeremy Baron , Simone Marzani , Vincent Theeuwes

Jet substructure in heavy-ion collisions is a rapidly evolving area with lots of intriguing new measurements. This contribution presents a selection of recent jet-substructure measurements from experiments at the LHC, in particular,…

Nuclear Experiment · Physics 2024-10-08 Robert Vertesi

Jets represent an important tool to explore the properties of the hot and dense nuclear matter created in heavy-ion collisions. However, full jet reconstruction in such events is a challenging task due to extremely large and fluctuating…

High Energy Physics - Experiment · Physics 2014-12-08 Jan Rusnak

We propose a new phenomenological approach to establish QCD factorization of jet cross sections in the heavy-ion environment. Starting from a factorization formalism in proton-proton collisions, we introduce medium modified jet functions to…

High Energy Physics - Phenomenology · Physics 2019-07-03 Jian-Wei Qiu , Felix Ringer , Nobuo Sato , Pia Zurita

We study the modifications of jets created in heavy-ion collisions at LHC energies. The inherent hierarchy of scales governing the jet evolution allows to distinguish a leading jet structure, which interacts coherently with the medium as a…

High Energy Physics - Phenomenology · Physics 2015-07-15 Yacine Mehtar-Tani , Konrad Tywoniuk

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

These proceedings present a brief overview of the main results on jet-modifications in heavy ion collisions at RHIC. In heavy ion collisions, jets are studied using single hadron spectra and di-hadron correlations with a high-\pt{} trigger…

Nuclear Experiment · Physics 2008-08-07 M. van Leeuwen

We provide a pedagogical introduction to the physics of hadronic jets and event shapes at electron-positron colliders. We present some of the main jet definitions and event shape observables studied at lepton colliders and discuss how to…

High Energy Physics - Phenomenology · Physics 2025-08-21 Giovanni Stagnitto

Jets are collimated sprays of particles resulting from fragmentation of hard scattered partons. They are measured in different types of collisions at different energies to test perturbative Quantum Chromodynamic calculations and are used to…

High Energy Physics - Experiment · Physics 2019-08-13 Michal Vajzer