English
Related papers

Related papers: Precision Jet Substructure from Boosted Event Shap…

200 papers

We study power corrections to the differential thrust, heavy jet mass and C-parameter distributions in the two-jet kinematical region in e^+e^- annihilation. We argue that away from the end-point region, e>> \Lambda_{QCD}/Q, the leading…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. P. Korchemsky , S. Tafat

We present the QCD analysis of D-parameter distribution in near-to-planar 3-jet e+e- annihilation events. We derive the all-order resummed perturbative prediction and the leading power suppressed non-perturbative corrections both to the…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Banfi , Yu. L. Dokshitzer , G. Marchesini , G. Zanderighi

Studies on jet substructure have evolved significantly in recent years. Jet substructure is essentially determined by QCD radiations and non-perturbative effects. Predictions of jet substructure are usually different among Monte Carlo event…

High Energy Physics - Phenomenology · Physics 2015-09-30 Yasuhito Sakaki

Jet substructure studies at the Large Hadron Collider have been used to constrain parton distribution functions, test perturbative QCD, measure the strong-coupling constant, and probe the properties of the quark-gluon plasma. We extend…

High Energy Physics - Phenomenology · Physics 2024-12-19 Zhuoheng Yang , Oleh Fedkevych , Roli Esha

Jet substructure is playing a central role at the Large Hadron Collider (LHC) probing the Standard Model in extreme regions of phase space and providing innovative ways to search for new physics. Analytic calculations of experimentally…

High Energy Physics - Phenomenology · Physics 2017-08-24 Andrew J. Larkoski , Ian Moult , Duff Neill

We present in detail a calculation of the next-to-leading order QCD corrections to the process $e^+e^-\to 3$ jets with massive quarks. To isolate the soft and collinear divergencies of the four parton matrix elements, we modify the phase…

High Energy Physics - Phenomenology · Physics 2009-10-30 Arnd Brandenburg , Peter Uwer

Study of polarization of heavy particles is an important branch of research in today's collider studies. The massive $W$ boson has two types of polarization states, which usually are studied via the angular distribution of its decay…

High Energy Physics - Phenomenology · Physics 2021-11-01 Atri Dey , Tousik Samui

Jet substructure is a powerful tool to probe the time evolution of a parton shower. However, many of the analysis methods used to extract splitting formation times from jet substructure, such as Soft Drop grooming and the Lund plane, focus…

High Energy Physics - Experiment · Physics 2023-09-13 Andrew Tamis

A persistent and fascinating problem at the high energy colliders are jets. Often trying to observe physics underlying the hard interactions at colliders requires experimental cuts in phase space, defining several jet or beam regions. QCD…

High Energy Physics - Phenomenology · Physics 2015-09-01 Duff Neill

The large center of mass energy and increasing statistical precision for a wide range of hadronic final state observables at the HERA lepton-proton collider has provided a detailed testing ground for QCD dynamics. Fully flexible…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Mirkes

We study the binary discrimination problem of identification of boosted $H\to gg$ decays from massive QCD jets in a systematic expansion in the strong coupling. Though this decay mode of the Higgs is unlikely to be discovered at the LHC, we…

High Energy Physics - Phenomenology · Physics 2025-04-23 Andrew J. Larkoski

Optimized jet substructure observables for identifying boosted topologies will play an essential role in maximizing the physics reach of the Large Hadron Collider. Ideally, the design of discriminating variables would be informed by…

High Energy Physics - Phenomenology · Physics 2015-06-22 Andrew J. Larkoski , Ian Moult , Duff Neill

We study jet substructures of a boosted polarized top quark, which undergoes the hadronic decay $t\to b u\bar d$, in the perturbative QCD framework, focusing on the energy profile and the differential energy profile. These substructures are…

High Energy Physics - Phenomenology · Physics 2016-04-06 Yoshio Kitadono , Hsiang-nan Li

We address the issues of clustering and non-global logarithms for jet shapes in the process of production of a Higgs/vector boson associated with a single hard jet at hadron colliders. We perform an analytical fixed-order calculation up to…

High Energy Physics - Phenomenology · Physics 2021-07-05 Naima Ziani , Kamel Khelifa-Kerfa , Yazid Delenda

Jet substructure, defined by observables constructed from the distribution of constituents within a jet, provides the versatility to tailor observables to specific regions of QCD radiation phase space. This flexibility provides exciting new…

Nuclear Experiment · Physics 2021-10-12 James Mulligan

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

Measurements of jet substructure in Pb+Pb collisions provide key insights into the mechanism of jet quenching in the hot and dense QCD medium created in these collisions. This Letter presents a measurement of the suppression of large-radius…

Nuclear Experiment · Physics 2025-12-10 ATLAS Collaboration

Factorization underpins our ability to make predictions at the LHC, both in Monte Carlo simulations and direct calculations. An improved theoretical understanding of jet substructure can lead to calculations that can confront data and…

High Energy Physics - Phenomenology · Physics 2011-10-26 Jonathan R. Walsh , Saba Zuberi

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

We initiate the precision study of boosted jet substructure using energy correlators, applying this framework to hadronic Higgs decays. We demonstrate that the two-body decay of the Higgs manifests as a distinct angular peak at $\theta \sim…

High Energy Physics - Phenomenology · Physics 2026-01-30 Anjie Gao , Kyle Lee , Xiaoyuan Zhang