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We study how to use Deep Variational Autoencoders for a fast simulation of jets of particles at the LHC. We represent jets as a list of constituents, characterized by their momenta. Starting from a simulation of the jet before detector…

We present a transformer architecture-based foundation model for tasks at high-energy particle colliders such as the Large Hadron Collider. We train the model to classify jets using a self-supervised strategy inspired by the Joint Embedding…

Machine Learning · Computer Science 2025-02-07 Jai Bardhan , Radhikesh Agrawal , Abhiram Tilak , Cyrin Neeraj , Subhadip Mitra

In the present contribution we introduce a strategy to quantify the performance of modern infrared and collinear safe jet clustering algorithms in processes which involve the reconstruction of heavy object decays. We determine optimal…

High Energy Physics - Phenomenology · Physics 2008-06-25 Juan Rojo

The observation of the strong suppression of high pT hadrons in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) at BNL has motivated a large experimental program using hard probes to characterize the deconfined medium…

Nuclear Experiment · Physics 2010-11-11 M. Estienne

After the current shutdown, the LHC is about to resume operation for a new data-taking period, when it will operate with increased luminosity, event rate and center of mass energy. The new conditions will impose more demanding constraints…

Instrumentation and Detectors · Physics 2019-08-13 Sebastien Prince

Experiments in the high-luminosity runs at the Large Hadron Collider face the challenges of very large pile-up. Primary techniques to deal with this are based on precise vertex and track reconstruction. Outside tracker acceptances, however,…

High Energy Physics - Phenomenology · Physics 2016-02-17 F. Hautmann , H. Jung , H. Van Haevermaet

The jets are the final state manifestation of the hard parton scattering. Since at LHC energies the production of hard processes in proton-proton collisions will be copious and varied, it is important to develop methods to identify them…

High Energy Physics - Experiment · Physics 2009-12-07 Antonio Ortiz , Guy Paic

Recent simulations have shown that a high-energy proton bunch can excite strong plasma wakefields and accelerate a bunch of electrons to the energy frontier in a single stage of acceleration. This scheme could lead to a future $ep$ collider…

Accelerator Physics · Physics 2014-07-09 M. Wing , G. Xia , O. Mete , A. Aimidula , C. Welsch , S. Chattopadhyay , S. Mandry

We analyze the signatures of new physics scenarios featuring third-family quark-lepton unification at the TeV scale in lepton-quark fusion at hadron colliders. Working with complete UV dynamics based on the $SU(4)$ gauge symmetry in the…

High Energy Physics - Phenomenology · Physics 2024-06-04 Arman Korajac , Peter Krack , Nudzeim Selimovic

We present the resummation of one-jettiness for the colour-singlet plus jet production process $p p \to ( \gamma^*/Z \to \ell^+ \ell^-) + {\text{jet}}$ at hadron colliders up to the fourth logarithmic order (N$^3$LL). This is the first…

Radiation damage significantly impacts the performance of silicon tracking detectors in Large Hadron Collider (LHC) experiments such as ATLAS and CMS, with signal reduction being the most critical effect. Adjusting sensor bias voltage and…

High Energy Physics - Experiment · Physics 2025-01-22 Marco Bomben , Keerthi Nakkalil

The next-to-leading corrections to the jet vertex which is relevant for the Mueller-Navelet jets production in hadronic collisions and for the forward jet cross section in lepton-hadron collisions are presented in the context of a k_t…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. P. Vacca

We present a model-independent study aimed at characterizing the nature of possible resonances in the jet-photon or jet-$Z$ final state at hadron colliders. Such resonances are expected in many models of compositeness and would be a clear…

High Energy Physics - Phenomenology · Physics 2018-01-17 Christoph Englert , Gabriele Ferretti , Michael Spannowsky

Impact of the cone algorithm parameters Ecut, Eseed, R on the efficiency and characteristics of the reconstructed jets in p-p collisions at the energy sqrt s = 200 GeV is studied. The PYTHIA Monte Carlo generator is used for event…

High Energy Physics - Phenomenology · Physics 2007-08-21 T. G. Dedovich , M. V. Tokarev

We present the application of a new jet reconstruction algorithm that uses a Gaussian filter to locate and reconstruct the jet energy to p+p and heavy ion data from the PHENIX detector. This algorithm is combined with a fake jet rejection…

Nuclear Experiment · Physics 2019-08-13 Yue-Shi Lai

The production of high-mass, color-singlet particles in hadron colliders is universally accompanied by initial state QCD radiation that is predominantly soft with respect to the hard process scale $Q$ and/or collinear with respect to the…

High Energy Physics - Phenomenology · Physics 2017-05-12 Benjamin Fuks , Richard Ruiz

This paper discusses a parallelized event reconstruction of the COMET Phase-I experiment. The experiment aims to discover charged lepton flavor violation by observing 104.97 MeV electrons from neutrinoless muon-to-electron conversion in…

Instrumentation and Detectors · Physics 2020-09-22 Beomki Yeo , MyeongJae Lee , Yoshitaka Kuno

Even though jet substructure was not an original design consideration for the Large Hadron Collider (LHC) experiments, it has emerged as an essential tool for the current physics program. We examine the role of jet substructure on the…

The k_t and Cambridge/Aachen inclusive jet finding algorithms for hadron-hadron collisions can be seen as belonging to a broader class of sequential recombination jet algorithms, parametrised by the power of the energy scale in the distance…

High Energy Physics - Phenomenology · Physics 2011-01-13 Matteo Cacciari , Gavin P. Salam , Gregory Soyez

Inspired by the success of analytical models for non-perturbative effects, used to investigate event shape variables at LEP and HERA, we apply them to a study of jets at hadron colliders such as the Tevatron and the LHC. We find that simple…

High Energy Physics - Phenomenology · Physics 2008-05-16 Mrinal Dasgupta , Lorenzo Magnea , Gavin Salam