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Azimuthal correlations of hadrons with high transverse momenta serve as a measure to study the energy loss and the fragmentation pattern of jets emerging from hard parton-parton interactions in heavy ion collisions. Preliminary results from…

核实验 · 物理学 2019-08-14 Stefan Kniege , Mateusz Ploskon

We study the correlation in azimuthal angle between Mueller-Navelet jets produced in hadron-hadron collisions. We argue that this observable would test the BFKL approach at next-to-leading logarithmic accuracy. In order to motivate such a…

高能物理 - 唯象学 · 物理学 2009-01-16 Cyrille Marquet

The azimuthal correlation, $\Delta \phi_{12}$, of high transverse momentum jets in pp collisions at $\sqrt{s}=13$ TeV is studied by applying PB-TMD distributions to NLO calculations via MCatNLO together with the PB-TMD parton shower. A very…

Energy-correlator-based jet substructure has gained significant attention in recent years. One of the notable applications has been the study of multi-scale jets, where distinct physical scales manifest as features localised in different…

高能物理 - 唯象学 · 物理学 2026-02-10 Jack Holguin , Ian Moult , Aditya Pathak , Massimiliano Procura , Siddharth Sule

In this paper, we explore the use of jet substructure as a way of probing phenomena which break the isotropic behavior of jets, such as jet propagation through an anisotropically flowing quark-gluon plasma or spin correlations. We introduce…

高能物理 - 唯象学 · 物理学 2024-12-18 Weiyao Ke , John Terry , Ivan Vitev

The decorrelation in the azimuthal angle between the most forward and the most backward jets (Mueller-Navelet jets) is measured in data collected in pp collisions with the CMS detector at the LHC at sqrt(s) = 7 TeV. The measurement is…

高能物理 - 实验 · 物理学 2016-09-09 CMS Collaboration

We study correlations originating from the quantum nature of gluons in a hadronic wave function. Bose-Einstein correlation between identical particles lead to the enhancement in the number of pairs of gluons with the same quantum numbers…

高能物理 - 唯象学 · 物理学 2022-03-22 Alex Kovner , Ming Li , Vladimir V. Skokov

Correlation between trigger and associated particles in jets produced on near and away sides of high-p_T triggers in heavy-ion collisions is studied. Hadronization of jets on both sides is treated by thermal-shower and shower-shower…

核理论 · 物理学 2009-12-31 Rudolph C. Hwa , C. B. Yang

High precision data of lepton angular distributions in inclusive $Z$ boson production, reported by the CMS and ATLAS Collaborations, showed pronounced transverse momentum ($q_T$) dependencies of the $A_0$ and $A_2$ coefficients. Violation…

高能物理 - 唯象学 · 物理学 2019-10-02 Jen-Chieh Peng , Wen-Chen Chang , Randall Evan McClellan , Oleg Teryaev

This paper presents a measurement of forward-forward and forward-central dijet azimuthal angular correlations and conditional yields in proton-proton ($pp$) and proton-lead ($p$+Pb) collisions as a probe of the nuclear gluon density in…

核实验 · 物理学 2019-11-26 ATLAS Collaboration

Di-hadron and jet-hadron correlations are commonly used in relativistic heavy ion collisions to study the soft component of jets in a quark gluon plasma. There is a large correlated background which is described by the Fourier decomposition…

核实验 · 物理学 2018-05-31 Christine Nattrass , Takahito Todoroki

The measurement of jets recoiling from a trigger hadron in heavy-ion collisions can be used to understand the properties of the Quark Gluon Plasma. Jet-medium interactions cause jets to lose energy in the medium and may modify the jet…

高能物理 - 实验 · 物理学 2019-01-10 Jaime Norman

Recent results on jet production in heavy ion collisions at RHIC and the LHC are discussed, with emphasis on inclusive jet yields and semi-inclusive hadron-triggered and vector boson-triggered recoil jet yields as well as their azimuthal…

核实验 · 物理学 2018-03-14 Leticia Cunqueiro

Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pt) and…

高能物理 - 实验 · 物理学 2015-01-08 CMS Collaboration

Azimuthal angle correlations of two jets in the process $pp\to HHjj$ are studied. The loop induced $\mathcal{O}(\alpha_s^4 \alpha_{}^2)$ gluon fusion (GF) sub-process and the $\mathcal{O}(\alpha_{}^4)$ weak boson fusion (WBF) sub-process…

高能物理 - 唯象学 · 物理学 2018-01-11 Junya Nakamura , Julien Baglio

We investigate the impact of soft gluon resummation on the azimuthal angle correlation between the total and relative momenta of two energetic final state particles (jets). We show that the initial and final state radiations induce sizable…

高能物理 - 唯象学 · 物理学 2022-05-12 Yoshitaka Hatta , Bo-Wen Xiao , Feng Yuan , Jian Zhou

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…

核实验 · 物理学 2019-06-26 Rüdiger Haake , Constantin Loizides

We discuss how the dijet azimuthal correlations in DIS and real photoproduction at HERA probe the differential (unintegrated) gluon distribution in the proton. We find a strong dependence of the azimuthal correlation pattern on Bjorken-$x$,…

高能物理 - 唯象学 · 物理学 2009-10-31 A. Szczurek , N. N. Nikolaev , W. Schäfer , J. Speth

In view of the increasing precision of theoretical calculations and experimental measurements, power corrections to transverse-momentum-dependent observables are highly important. We study the next-to-leading power corrections for…

高能物理 - 唯象学 · 物理学 2024-02-06 Rafael F. del Castillo , Max Jaarsma , Ignazio Scimemi , Wouter Waalewijn

Advancements in full jet reconstruction have made it possible to use jets as triggers in azimuthal angular correlations to study the modification of hard-scattered partons in the medium created in ultrarelativistic heavy-ion collisions.…

核实验 · 物理学 2019-08-13 Alice Ohlson