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Related papers: Long Range Correlations and the Soft Ridge in Rela…

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In these proceedings, a measurement of two-particle correlations with a high transverse momentum trigger particle (pT_trig > 2.5 GeV/c) is presented for Au+Au collisions at sqrt(s_NN) = 200 GeV over the uniquely broad longitudinal…

Nuclear Experiment · Physics 2019-08-13 Edward Wenger

In these proceedings, we highlight experimental data (published and preliminary) related to jet quenching and the response of the medium to this deposited energy. Signatures in two- and three- particle hadron correlations indicate…

Nuclear Experiment · Physics 2009-11-18 J. L. Nagle

Di-hadron correlations have been used to study jets at RHIC and have yielded rich insight into the properties of the medium. Studies show that the near-side peak of high-pT triggered correlations can be decomposed into two parts, a jet-like…

Nuclear Experiment · Physics 2022-03-02 Christine Nattrass

First measurements of dihadron correlations for charged particles are presented for central PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV over a broad range in relative pseudorapidity, Delta(eta), and the full range…

Nuclear Experiment · Physics 2012-08-27 CMS Collaboration

A study of the near-side ridge phenomenon in hadron-hadron collisions based on a cluster picture of multiparticle production is presented. The near-side ridge effect is shown to have a natural explanation in this context provided that…

High Energy Physics - Phenomenology · Physics 2017-01-11 Miguel-Angel Sanchis-Lozano , Edward Sarkisyan-Grinbaum

Angular correlations between charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV for transverse momentum ranges within 0.5 < $p_{\rm T}^{\rm…

Nuclear Experiment · Physics 2016-07-04 ALICE Collaboration

The similarities between string percolation and Glasma results are emphasized, special attention being paid to rapidity long range correlations, ridge structure and elliptic flow. As the string density of high multiplicity pp collisions at…

High Energy Physics - Phenomenology · Physics 2011-06-15 I. Bautista , J. Dias de Deus , C. Pajares

An $\eta$-elongated same-side 2D peak ("soft ridge") in minimum-bias angular correlations from heavy ion collisions has been attributed both to jet formation and to initial-state geometry structure coupled to radial flow. We consider…

High Energy Physics - Phenomenology · Physics 2015-05-30 Thomas A. Trainor

Correlation measurements imply that anisotropic flow in nuclear collisions includes a novel triangular component along with the more familiar elliptic-flow contribution. Triangular flow has been attributed to event-wise fluctuations in the…

Nuclear Theory · Physics 2013-05-30 Sean Gavin , George Moschelli

The near-side ridge structure has been observed in the long-range two-particle correlations in heavy-ion collisions, such as AuAu collisions at the Relativistic Heavy Ion Collider(RHIC) and PbPb collisions at the Large Hadron Collider…

High Energy Physics - Phenomenology · Physics 2025-06-30 Jaesung Kim , Jin-Hee Yoon

Relativistic nuclear collisions data on two-particle correlations exhibit structures as function of relative azimuthal angle and rapidity. A unified description of these near-side and away-side structures is proposed for low to moderate…

Nuclear Theory · Physics 2015-05-19 Rone Peterson G. Andrade , Frederique Grassi , Yogiro Hama , Wei-Liang Qian

We study ridge correlations of the glasma in pp collisions at $\sqrt{s_{\mathrm{NN}}}=7$ TeV by using the color glass condensate (CGC) formalism. The azimuthal collimation at long range rapidity is intrinsic to glasma dynamics and is…

High Energy Physics - Phenomenology · Physics 2021-05-05 Donghai Zhang , Yeyin Zhao , Mingmei Xu , Xue Pan , Yuanfang Wu

A key open question in the study of multi-particle production in high-energy $pp$ collisions is the relationship between the "ridge'' - observed azimuthal correlations between particles in the underlying event that extend over all…

Nuclear Experiment · Physics 2023-12-06 ATLAS Collaboration

In high-energy particle physics, the study of particle-particle correlations in proton-proton and heavy-ion collisions constitutes a pivotal frontier in the effort to understand the fundamental dynamics of the strong force. To the best of…

High Energy Physics - Phenomenology · Physics 2025-06-23 G. Calé , G. Chachamis , A. Sabio Vera

We study the generation and space-time evolution of fluid acceleration in heavy-ion collisions using AMPT and UrQMD transport models combined with a Gaussian smearing method. The peak proper acceleration reaches several hundred MeV, with…

Nuclear Theory · Physics 2026-04-02 Song-Ze Zhong , Xian-Gai Deng , Xu-Guang Huang , Yu-Gang Ma

The nuclear overlap zone in non-central relativistic heavy ion collisions is azimuthally very asymmetric. By varying the angle between the axes of deformation and the transverse direction of the pair momenta, the transverse HBT radii…

Nuclear Theory · Physics 2009-10-31 H. Heiselberg

Transverse momentum correlations were recently measured by the ALICE collaboration at the LHC. A long-range structure in terms of relative pseudorapidity of particle pairs is observed. This may imply some signal of the initial state owing…

High Energy Physics - Phenomenology · Physics 2024-02-21 Oleh Savchuk

A measurement of two-particle correlations with a high transverse momentum trigger particle (p_T^{trig} > 2.5 GeV/c) is presented for Au+Au collisions at sqrt(s_NN) = 200 GeV over the uniquely broad longitudinal acceptance of the PHOBOS…

Nuclear Experiment · Physics 2019-08-13 B. Alver

The observation of long range ridge-like structure in the near-side region of the two particle $\Delta\eta-\Delta\phi$ correlations as measured by LHC experiments in high multiplicity p$-$p collisions indicated towards the presence of…

High Energy Physics - Phenomenology · Physics 2020-11-18 Pritam Chakraborty , Sadhana Dash

We present measurements of untriggered di-hadron correlations as a function of centrality in Pb-Pb \sNN collisions, for charged hadrons with $p_{T} > 0.15$ GeV$/c$. These measurements provide a map of the bulk correlation structures in…

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