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Related papers: Jet Substructure at the Large Hadron Collider

200 papers

We address aspects of jet physics at the Large Hadron Collider focusing on features of recent jet measurements which challenge the theory. We discuss examples illustrating the role of QCD parton showers, nonperturbative corrections, soft…

High Energy Physics - Phenomenology · Physics 2013-05-01 F. Hautmann

Jet substructure has emerged to play a central role at the Large Hadron Collider, where it has provided numerous innovative ways to search for new physics and to probe the Standard Model, particularly in extreme regions of phase space. In…

Jet substructure observables have been used by experiments at the Large Hadron Collider (LHC) as instruments to search for new physics as well as to study perturbative and nonperturbative processes in quantum chromodynamics (QCD). Some…

High Energy Physics - Experiment · Physics 2022-05-25 Ezra Lesser

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

The past several years have witnessed important developments in the QCD theory of jet production and jet substructure in hadronic collisions. In the framework of soft-collinear effective theory, semi-inclusive jet functions and…

High Energy Physics - Phenomenology · Physics 2019-09-04 Hai Tao Li , Ivan Vitev

Soft-Collinear Effective Theory is a framework for systematically organizing and resumming the logarithmic contributions that occur in high-energy reactions. It provides a factorized description of cross sections in terms of hard, jet,…

High Energy Physics - Phenomenology · Physics 2025-12-30 Saurav Goyal , Sven-Olaf Moch , Vaibhav Pathak , V. Ravindran

Many analyses at the CERN LHC exploit the substructure of jets to identify heavy resonances produced with high momenta that decay into multiple quarks and/or gluons. This paper presents a new technique for correcting the substructure of…

High Energy Physics - Experiment · Physics 2025-11-18 CMS Collaboration

We develop an effective field theory (EFT) framework to perform an analytic calculation for energy correlator observables computed on groomed heavy-quark jets. A soft-drop grooming algorithm is applied to a jet initiated by a massive quark…

High Energy Physics - Phenomenology · Physics 2019-10-02 Christopher Lee , Prashant Shrivastava , Varun Vaidya

Jets are suppressed and modified in heavy ion collisions, which serve as powerful probes to the properties of the quark-gluon plasma (QGP). Attributed to the abundant information carried by the jet constituents and reconstructed…

High Energy Physics - Phenomenology · Physics 2023-08-22 Yi-Lun Du

Jet substructure quantities are measured using jets groomed with the soft-drop grooming procedure in dijet events from 32.9 fb$^{-1}$ of $pp$ collisions collected with the ATLAS detector at $\sqrt{s} = 13$ TeV. These observables are…

High Energy Physics - Experiment · Physics 2020-03-25 ATLAS Collaboration

Deep inelastic scattering on nuclei at the Electron-Ion Collider will open new opportunities to investigate the structure of matter. Heavy flavor-tagged jets are complementary probes of the partonic composition and transport coefficients of…

High Energy Physics - Phenomenology · Physics 2022-03-09 Hai Tao Li , Ze Long Liu , Ivan Vitev

Understanding the properties of the quark-gluon plasma (QGP) that is produced in ultra-relativistic nucleus-nucleus collisions has been one of the top priorities of the heavy ion program at the LHC. Energetic jets are produced and…

High Energy Physics - Phenomenology · Physics 2015-06-23 Yang-Ting Chien

Understanding the detailed structure of energy flow within jets, a field known as jet substructure, plays a central role in searches for new physics, and precision studies of QCD. Many applications of jet substructure require an…

High Energy Physics - Phenomenology · Physics 2022-10-19 Evan Craft , Kyle Lee , Bianka Meçaj , Ian Moult

Jet tomography has become a powerful tool for the study of properties of dense matter in high-energy heavy-ion collisions. I will discuss recent progresses in the phenomenological study of jet quenching, including momentum, colliding energy…

Nuclear Theory · Physics 2014-11-18 Xin-Nian Wang

Over the past decade, a large number of jet substructure observables have been proposed in the literature, and explored at the LHC experiments. Such observables attempt to utilize the internal structure of jets in order to distinguish those…

Recent jet and jet substructure measurements at the LHC, and of machine-learning-based tagging techniques are presented using proton-proton collision data collected by the ATLAS and CMS experiments at CERN's Large Hadron Collider. These…

High Energy Physics - Experiment · Physics 2022-02-10 Meena Meena

Deep learning techniques have shown the capability to identify the degree of energy loss of high-energy jets traversing hot QCD medium on a jet-by-jet basis. The average amount of quenching of quark and gluon jets in hot QCD medium actually…

High Energy Physics - Phenomenology · Physics 2022-04-04 Yi-Lun Du , Daniel Pablos , Konrad Tywoniuk

Jets, as collections of multi-scale objects, allow for insight into perturbative (high-momentum) processes, but gaining an understanding of the non-perturbative structure within jets such as hadronization effects and the underlying event…

High Energy Physics - Phenomenology · Physics 2024-02-19 Isaac Mooney

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

In this thesis I study applications of effective field theories to understand aspects of QCD jets and their substructure at the Large Hadron Collider. In particular, I introduce an observable, $D_2$, which can be used for distinguishing…

High Energy Physics - Phenomenology · Physics 2016-05-03 Ian Moult