English
Related papers

Related papers: Soft drop groomed jet angularities at the LHC

200 papers

The theoretical interpretation of jet observables in heavy-ion collisions is a complex task due to the intricate interplay of perturbative and non-perturbative effects. One way to reduce this complexity is to groom away soft, wide-angle…

High Energy Physics - Phenomenology · Physics 2026-01-21 Liliana Apolinário , Diogo Costa , Alba Soto-Ontoso

The jet quenching phenomenon in heavy ion collisions provides a strong evidence of the modification of parton shower in the quark-gluon plasma (QGP). Jet substructure observables can probe various aspects of the jet formation mechanism.…

High Energy Physics - Phenomenology · Physics 2016-11-22 Yang-Ting Chien

We introduce a method to compute one-loop soft functions for exclusive $N$-jet processes at hadron colliders, allowing for different definitions of the algorithm that determines the jet regions and of the measurements in those regions. In…

High Energy Physics - Phenomenology · Physics 2017-10-10 Daniele Bertolini , Daniel Kolodrubetz , Duff Neill , Piotr Pietrulewicz , Iain W. Stewart , Frank J. Tackmann , Wouter J. Waalewijn

Measurements of jet substructure in heavy-ion collisions may provide key insight to the nature of jet quenching in the quark-gluon plasma. Jet grooming techniques from high-energy physics have been applied to heavy-ion collisions in order…

High Energy Physics - Phenomenology · Physics 2020-11-03 James Mulligan , Mateusz Ploskon

We present a first-principle computation of the mass distribution of jets which have undergone the grooming procedure known as Soft Drop. This calculation includes the resummation of the large logarithms of the jet mass over its transverse…

High Energy Physics - Phenomenology · Physics 2018-03-14 Simone Marzani , Lais Schunk , Gregory Soyez

We consider the mass distribution of QCD jets after the application of jet substructure methods, specifically the mass-drop tagger, pruning, trimming and their variants. In contrast to most current studies employing Monte Carlo methods, we…

High Energy Physics - Phenomenology · Physics 2013-11-11 Mrinal Dasgupta , Alessandro Fregoso , Simone Marzani , Alexander Powling

Jet substructure observables have significantly extended the search program for physics beyond the Standard Model at the Large Hadron Collider. The state-of-the-art tools have been motivated by theoretical calculations, but there has never…

High Energy Physics - Experiment · Physics 2018-09-12 ATLAS Collaboration

We discuss the status of resummation of large logarithmic contributions to groomed event shapes of hadronic final states in electron-positron annihilation. We identify the missing ingredients needed for next-to-next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2020-07-08 Adam Kardos , Andrew J. Larkoski , Zoltán Trócsányi

This article presents groomed jet substructure measurements in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector. The Soft Drop grooming algorithm provides access to the hard parton splittings inside a jet…

Nuclear Experiment · Physics 2022-04-11 ALICE Collaboration

We introduce a new jet substructure technique called Recursive Soft Drop, which generalizes the Soft Drop algorithm to have multiple grooming layers. Like the original Soft Drop method, this new recursive variant traverses a jet clustering…

High Energy Physics - Phenomenology · Physics 2018-08-01 Frédéric A. Dreyer , Lina Necib , Gregory Soyez , Jesse Thaler

Observables which distinguish boosted topologies from QCD jets are playing an increasingly important role at the Large Hadron Collider (LHC). These observables are often used in conjunction with jet grooming algorithms, which reduce…

High Energy Physics - Phenomenology · Physics 2018-04-04 Andrew J. Larkoski , Ian Moult , Duff Neill

We consider the class of jet shapes known as angularities in dijet production at hadron colliders. These angularities are modified from the original definitions in e+e- collisions to be boost invariant along the beam axis. These shapes…

High Energy Physics - Phenomenology · Physics 2016-05-04 Andrew Hornig , Yiannis Makris , Thomas Mehen

We compute resummed and matched predictions for jet angularities in hadronic dijet and Z+jet events with and without grooming the candidate jets using the SoftDrop technique. Our theoretical predictions also account for non-perturbative…

High Energy Physics - Phenomenology · Physics 2022-03-23 Daniel Reichelt , Simone Caletti , Oleh Fedkevych , Simone Marzani , Steffen Schumann , Gregory Soyez

Soft-drop grooming of hadron-collision final states has the potential to significantly reduce the impact of non-perturbative corrections, and in particular the underlying-event contribution. This eventually will enable a more direct…

High Energy Physics - Phenomenology · Physics 2021-08-04 Jeremy Baron , Daniel Reichelt , Steffen Schumann , Niklas Schwanemann , Vincent Theeuwes

Jet grooming has emerged as a necessary and powerful tool in a precision jet physics program. In this paper, we present three results on jet grooming in perturbation theory, focusing on heavy jet mass in $e^+e^-\to$ hadrons collisions,…

High Energy Physics - Phenomenology · Physics 2020-08-18 Andrew J. Larkoski

We study hadronic jets that are tagged as heavy-flavoured, i.e. they contain either beauty or charm. In particular, we consider heavy-flavour jets that have been groomed with the Soft Drop algorithm. In order to achieve a deeper…

High Energy Physics - Phenomenology · Physics 2024-03-01 Simone Caletti , Andrea Ghira , Simone Marzani

Jet substructure provides a powerful probe of partonic interactions within the quark-gluon plasma (QGP) in heavy-ion collisions. In this paper, we present a systematic theoretical study of the groomed substructures for both inclusive jets…

High Energy Physics - Phenomenology · Physics 2025-12-17 Sa Wang , Shuang Li , Jin-Wen Kang , Ben-Wei Zhang , Enke Wang

A measurement of jet substructure variables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at $\sqrt{s}=13$ TeV. Large-radius jets groomed with the trimming and soft-drop…

High Energy Physics - Experiment · Physics 2019-10-04 ATLAS collaboration

An outstanding problem in QCD and jet physics is the factorization and resummation of logarithms that arise due to phase space constraints, so-called non-global logarithms (NGLs). In this paper, we show that NGLs can be factorized and…

High Energy Physics - Phenomenology · Physics 2015-10-28 Andrew J. Larkoski , Ian Moult , Duff Neill

One of the greatest challenges in quantum chromodynamics is understanding the hadronization mechanism, which is also crucial for carrying out precision physics with jet substructure. In this Letter, we combine recent advancements in our…

High Energy Physics - Phenomenology · Physics 2023-01-11 Anna Ferdinand , Kyle Lee , Aditya Pathak