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Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with a center-of-mass energy of $\sqrt{s} = 13$ TeV, corresponding to an integrated…

High Energy Physics - Experiment · Physics 2017-11-15 ATLAS Collaboration

In this work, we give a method to study the energy loss of jets in the medium using a variety of jet energy loss observables such as nuclear modification factor and transverse momentum asymmetry in dijets and $\gamma$-jets in heavy ion…

High Energy Physics - Phenomenology · Physics 2024-10-11 Vineet Kumar , Prashant Shukla

Using a Tsallis nonextensive approach, we analyse distributions of transverse spectra of jets. We discuss the possible influence of energy conservation laws on these distributions. Transverse spectra of jets exhibit a power-law behavior of…

High Energy Physics - Phenomenology · Physics 2015-08-25 Maciej Rybczyński , Zbigniew Włodarczyk

Trace charge imbalances can explain puzzling cosmological observations such as the large `missing' fraction of electrons in cosmic rays and their contrast to the charge-neutral solar wind, the extreme energy sources that sustain pulsars,…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-22 Jason P. Morgan

Asymmetric jet transverse energy cuts are now commonly used for dijet analyses currently performed in the Breit Frame at ZEUS. I will discuss the motivation for these cuts and present the results of studies identifying unphysical behavior…

High Energy Physics - Experiment · Physics 2007-05-23 Sabine W Lammers

We study particle correlations in high energy jets by comparing the measured energy-energy correlator (EEC) with that constructed from two individual energy flows with respect to the jet axis. This comparison demonstrates that genuine…

High Energy Physics - Phenomenology · Physics 2025-07-28 Wenbin Zhao , Volker Koch , Feng Yuan

Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton--proton collision data corresponding to an integrated luminosity of 36.1 fb${}^{-1}$ at a…

High Energy Physics - Experiment · Physics 2018-02-05 ATLAS Collaboration

Energy correlators measured inside high-energy jets at hadron colliders have recently been demonstrated to provide a new window into both perturbative and non-perturbative Quantum Chromodynamics. A number of the most interesting features of…

High Energy Physics - Phenomenology · Physics 2023-08-01 Max Jaarsma , Yibei Li , Ian Moult , Wouter J. Waalewijn , Hua Xing Zhu

We explore a counterfactual protocol for energy transfer. A modified version of a Mach-Zehnder interferometer dissociates a photon's position and energy into separate channels, resulting in a photoelectric effect in one channel without the…

Quantum Physics · Physics 2019-11-12 A. Ludu , J. A. Morris , C. Rugina

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy of sqrt(s) = 7 TeV corresponding to an integrated…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

Using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76…

High Energy Physics - Experiment · Physics 2012-08-27 The ATLAS Collaboration

High transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy-energy correlation function and its associated azimuthal asymmetry. The data were recorded with the ATLAS…

High Energy Physics - Experiment · Physics 2015-10-21 ATLAS Collaboration

We extend our investigation of backgrounds to new physics signals, following CMS's data-driven search for supersymmetry at the LHC. The aim is to use different sets of cuts in gamma + 3-jet production to predict the irreducible Z + 3-jet…

High Energy Physics - Phenomenology · Physics 2013-03-20 Z. Bern , G. Diana , L. J. Dixon , F. Febres Cordero , S. Hoeche , H. Ita , D. A. Kosower , D. Maitre , K. J. Ozeren

The energy carried away by neutral particles in ultra high energy cosmic ray showers can not be detected by fluorescence detectors. This energy is usually referred to as the "invisible energy". Since every shower has a fraction of invisible…

Instrumentation and Methods for Astrophysics · Physics 2009-11-16 M. J. Tueros

At the LHC, where hard multi-jet events are common, large imbalances in the total jet-\pt{} can arise due to the interaction of jets with the plasma formed in heavy-ion collisions. We find that this missing-\pt{} spectrum yields a…

High Energy Physics - Phenomenology · Physics 2009-10-28 Sourendu Gupta

We discuss modification in the rapidity distribution of the transverse energy flow as a signal of medium-induced partonic energy loss in ultrarelativistic heavy ion collisions. A scan of the global energy flow and jet rates in the wide…

High Energy Physics - Phenomenology · Physics 2016-09-06 I. P. Lokhtin , S. V. Shmatov , P. I. Zarubin

Performing imperfect or noisy measurements on a quantum system both impacts the measurement outcome and the state of the system after the measurement. In this paper we are concerned with imperfect calorimetric measurements. In calorimetric…

Quantum Physics · Physics 2022-05-25 Brecht Donvil , Joachim Ankerhold

By combining the recent data from AMS-02 with those from Fermi-LAT, we show the emergence of a charge asymmetry in the electron and positron cosmic-ray excesses, slightly favoring the electron component. Astrophysical and dark matter…

High Energy Physics - Phenomenology · Physics 2013-07-03 Isabella Masina , Francesco Sannino

Nuclear Coulomb potential at completely ionized and extremely thin atmosphere can leaks to a macroscopic spatial scale. This effect is used to explain the difference between the energy spectra of cosmic-ray electrons around $1 TeV$ measured…

High Energy Astrophysical Phenomena · Physics 2019-09-12 Wei Zhu , Jianhong Ruan , Peng Liu , Lei Feng , Fan Wang

The jet energy calibration and its uncertainties are derived from measurements of the calorimeter response to single particles in both data and Monte Carlo simulation using proton-proton collisions at $\sqrt{s} = 13$ TeV collected with the…

High Energy Physics - Experiment · Physics 2025-09-11 ATLAS Collaboration