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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 suppression and modification of high-energy objects, like jets, in heavy-ion collisions provide an important window to access the degrees of freedom of the quark-gluon plasma on different length scales. Despite increasingly precise and…

Nuclear Theory · Physics 2021-01-01 Jasmine Brewer

Jet modification in heavy-ion collisions provides microscopic access to the properties of the quark-gluon plasma. However, conventional approaches based on traditional global observables, such as \(R_{AA}\), capture limited information…

High Energy Physics - Phenomenology · Physics 2026-04-24 Leonardo Lima da Silva , Marcelo Gameiro Munhoz

Experimentally, jet physics studies face an unavoidable task: distinguishing, at the detector level, the particles produced in the hard partonic scattering from the ones created in unrelated soft processes such as pileup interactions in…

High Energy Physics - Phenomenology · Physics 2019-12-18 Yacine Mehtar-Tani , Alba Soto-Ontoso , Marta Verweij

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

Energetic jets that traverse the quark-gluon plasma created in heavy-ion collisions serve as excellent probes to study this new state of deconfined QCD matter. Presently, however, our ability to achieve a crisp theoretical interpretation of…

High Energy Physics - Phenomenology · Physics 2023-05-17 Daniel Pablos , Alba Soto-Ontoso

Understanding the inner working of the quark-gluon plasma requires complete and precise jet substructure studies in heavy ion collisions. In this proceeding we discuss the use of quark and gluon jets as independent probes, and how their…

High Energy Physics - Phenomenology · Physics 2019-02-20 Yang-Ting Chien

Identifying jets in heavy ion collisions is of significant interest since the properties of jets are expected to get modified because of the formation of quark gluon plasma. The detection of jets is, however, difficult because of large…

Nuclear Theory · Physics 2008-09-17 Sadhana Dash , Dipak K. Mishra , S. C. Phatak , P. K. Sahu

We study the phenomenon of jet quenching utilizing quark and gluon jet substructures as independent probes of heavy ion collisions. We exploit jet and subjet features to highlight differences between quark and gluon jets in vacuum and in a…

High Energy Physics - Phenomenology · Physics 2018-03-12 Yang-Ting Chien , Raghav Kunnawalkam Elayavalli

The precise reconstruction of jet transverse momenta in heavy-ion collisions is a challenging task. A major obstacle is the large number of (mainly) low-$p_{\rm T}$ particles overlaying the jets. Strong region-to-region fluctuations of this…

Nuclear Experiment · Physics 2019-06-26 Rüdiger Haake , Constantin Loizides

Measurements of jet substructure in ultra-relativistic heavy-ion collisions indicate that interactions with the quark-gluon plasma quench the jet showering process. Modern data-driven methods have shown promise in probing these…

High Energy Physics - Phenomenology · Physics 2024-12-02 Umar Sohail Qureshi , Raghav Kunnawalkam Elayavalli

Jets clustered from heavy ion collision measurements combine a dense background of particles with those actually resulting from a hard partonic scattering. The background contribution to jet transverse momentum ($p_{T}$) may be corrected by…

Data Analysis, Statistics and Probability · Physics 2025-08-13 David Stewart , Joern Putschke

Measurements of jet substructure in ultra-relativistic heavy ion collisions suggest that the jet showering process is modified by the interaction with quark gluon plasma. Modifications of the hard substructure of jets can be explored with…

High Energy Physics - Phenomenology · Physics 2023-05-17 Lihan Liu , Julia Velkovska , Marta Verweij

For a quantitative interpretation of reconstructed jet properties in heavy-ion collisions it is paramount to characterize the contribution from the underlying event and the influence of background fluctuations on the jet signal. In addition…

High Energy Physics - Experiment · Physics 2019-08-13 Christian Klein-Boesing

We present a survey of a comprehensive set of jet substructure observables commonly used to study the modifications of jets resulting from interactions with the Quark Gluon Plasma in Heavy Ion Collisions. The \jewel{} event generator is…

High Energy Physics - Phenomenology · Physics 2024-01-24 Miguel Crispim Romão , José Guilherme Milhano , Marco van Leeuwen

Jet reconstruction in heavy-ion collisions is strongly affected by soft background from the underlying event. For an appropriate interpretation of the jet observables it is essential to understand the influence of the background and its…

High Energy Physics - Experiment · Physics 2019-08-13 Bastian Bathen

Jet quenching, the modification of jets by the quark-gluon plasma in heavy-ion collisions, provides a sensitive probe of the properties of the medium. A jet-by-jet discrimination study between proton-proton and lead-lead jets using energy…

High Energy Physics - Phenomenology · Physics 2025-11-03 João A. Gonçalves

Jet reconstruction in an ultra-relativistic heavy-ion collision suffers from a notoriously large, fluctuating thermal background. Traditional background subtraction methods struggle to remove this soft background while preserving the jet's…

High Energy Physics - Phenomenology · Physics 2025-12-16 Umar Sohail Qureshi , Raghav Kunnawalkam Elayavalli

The classification of events involving jets as signal-like or background-like can depend strongly on the jet algorithm used and its parameters. This is partly due to the fact that standard jet algorithms yield a single partition of the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Dilani Kahawala , David Krohn , Matthew D. Schwartz

The modification of jets by interaction with the Quark Gluon Plasma has been extensively established through the comparison of observables computed for samples of jets produced in nucleus-nucleus collisions and proton-proton collisions. The…

High Energy Physics - Phenomenology · Physics 2025-11-17 Miguel Crispim Romão , João Arruda Gonçalves , José Guilherme Milhano
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