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Related papers: Event Topology Classifiers at the Large Hadron Col…

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Recent results for high multiplicity pp and p-Pb collisions have revealed that they exhibit heavy-ion-like behaviors. To understand the origin(s) of these unexpected phenomena, event shape observables such as transverse spherocity ($S_{\rm…

High Energy Physics - Experiment · Physics 2020-12-29 Sushanta Tripathy

This is a review of the physics prospects for relativistic heavy ion collisions in the CERN Large Hadron Collider. The motivation for the study of superdense matter created in relativistic heavy ion collision is the prospect of observing a…

High Energy Physics - Phenomenology · Physics 2011-01-25 Berndt Müller

Event classifiers based either on the charged-particle multiplicity or the event shape have been extensively used in proton-proton (pp) collisions by the ALICE collaboration at the LHC. The use of these tools became very instrumental since…

High Energy Physics - Phenomenology · Physics 2023-04-26 Antonio Ortiz , Arvind Khuntia , Omar Vázquez-Rueda , Sushanta Tripathy , Gyula Bencedi , Suraj Prasad , Feng Fan

A measurement of novel event shapes quantifying the isotropy of collider events is performed in 140 fb$^{-1}$ of proton-proton collisions with $\sqrt s=13$ TeV centre-of-mass energy recorded with the ATLAS detector at CERN's Large Hadron…

High Energy Physics - Experiment · Physics 2023-10-12 ATLAS Collaboration

We present calculations of bulk properties and multiparticle correlations in a large variety of collision systems within a hybrid formalism consisting of IP-Glasma initial conditions, MUSIC viscous relativistic hydrodynamics, and UrQMD…

Nuclear Theory · Physics 2020-10-21 Bjoern Schenke , Chun Shen , Prithwish Tribedy

The LHCb experiment at the Large Hadron Collider (LHC) is designed to perform high-precision measurements of heavy-hadron decays, which requires the collection of large data samples and a good understanding and suppression of multiple…

High Energy Physics - Experiment · Physics 2023-05-01 Julián García Pardiñas , Marta Calvi , Jonas Eschle , Andrea Mauri , Simone Meloni , Martina Mozzanica , Nicola Serra

We explore machine learning-based jet and event identification at the future Electron-Ion Collider (EIC). We study the effectiveness of machine learning-based classifiers at relatively low EIC energies, focusing on (i) identifying the…

High Energy Physics - Phenomenology · Physics 2023-04-05 Kyle Lee , James Mulligan , Mateusz Płoskoń , Felix Ringer , Feng Yuan

We investigate the phenomenological aspects of non-perturbative baryon- and lepton-number-violating processes at hadron colliders. Such processes, induced by instanton/sphaleron configurations of the electroweak gauge fields, are believed…

High Energy Physics - Phenomenology · Physics 2020-01-29 Andreas Papaefstathiou , Simon Plätzer , Kazuki Sakurai

Heavy flavor measurements in high multiplicity proton-proton and proton-nucleus collisions at collider energies enable unique insights into their production and hadronization mechanism because experimental and theoretical uncertainties…

High Energy Physics - Phenomenology · Physics 2018-10-30 Yan-Qing Ma , Prithwish Tribedy , Raju Venugopalan , Kazuhiro Watanabe

Discovery of instantons in colliders will provide experimental evidence for the topological properties of the QCD vacuum. In this work, we propose jet correlation observables that can unambiguously discriminate between instanton-induced…

High Energy Physics - Phenomenology · Physics 2026-04-23 Sayak Guin , Swagatam Tah , Nihar Ranjan Sahoo , Sayantan Sharma

The measurements at RHIC have revealed a new state of matter, which needs to be further characterized in order to better understand its implications for the early evolution of the universe and QCD. I will show that, in the near future,…

Nuclear Experiment · Physics 2008-11-26 Rene Bellwied

In particle detectors at the Large Hadron Collider, tens of terabytes of data are produced every second from proton-proton collisions occurring at a rate of 40 megahertz. This data rate is reduced to a sustainable level by a real-time event…

Data Analysis, Statistics and Probability · Physics 2021-07-14 Ekaterina Govorkova , Ema Puljak , Thea Aarrestad , Maurizio Pierini , Kinga Anna Woźniak , Jennifer Ngadiuba

From particle identification to the discovery of the Higgs boson, deep learning algorithms have become an increasingly important tool for data analysis at the Large Hadron Collider (LHC). We present an innovative end-to-end deep learning…

Modern high-rate experiments require rare physics signatures to be identified in real time from continuous streams of reconstructed events under stringent data-throughput and storage constraints. We present a…

Nuclear Theory · Physics 2026-05-27 Olga Soloveva , Artemiy Belousov , Ivan Kisel , Elena Bratkovskaya

A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four leptons ($3\ell$ and $4\ell$, $\ell = e,\mu$) is presented. The analysis aims to be sensitive to a wide range of potential…

High Energy Physics - Experiment · Physics 2022-04-28 ATLAS Collaboration

The large multiplicities at the LHC may permit flow harmonics to be determined on an event by event basis in Pb-Pb collisions. We extract these harmonics from event by event di-hadron correlations. Within a fine centrality bin, we find the…

Nuclear Experiment · Physics 2019-08-21 Anthony R. Timmins

A second major LHCb detector upgrade will be installed during long shutdown 4 (LS4) of the CERN Large Hadron Collider. The new detector will provide excellent performance for studies of Quantum Chromodynamics at high temperature and…

High Energy Physics - Experiment · Physics 2025-04-01 LHCb collaboration

The event-by-event analysis of high energy nuclear collisions aims at revealing the richness of the underlying event structures and provide unique measures of dynamical fluctuations associated with QGP phase transition. The major challenge…

Nuclear Experiment · Physics 2008-11-26 Tapan K. Nayak

Hadron production is investigated in proton-proton (pp) collisions at \surds = 7 TeV LHC energy - especially outside the cones of identified jets. We improved the original CDF definition of underlying event and introduce surrounding…

High Energy Physics - Phenomenology · Physics 2011-09-06 A. G. Agócs , G. G. Barnaföldi , P. Lévai

Modelling the underlying event in high-energy hadronic collisions is important for physics at colliders. This includes lepton colliders, where low-virtuality photons accompanying the lepton beam(s) may develop hadronic structure. Similarly,…

High Energy Physics - Phenomenology · Physics 2024-12-17 J. M. Butterworth , I. M. Helenius , J. J. Juan Castella , B. Pattengale , S. Sanjrani , M. Wing