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Results on two-particle angular correlations for charged particles emitted in proton-proton collisions at center-of-mass energies of 0.9, 2.36, and 7 TeV are presented, using data collected with the CMS detector over a broad range of…

高能物理 - 实验 · 物理学 2012-08-27 CMS Collaboration

In relativistic heavy-ion physics two-particle correlations provide a very useful tool to investigate the Quark-Gluon Plasma (QGP). This observable is sensitive to several of the properties of the QGP such as resonances, interaction of…

高能物理 - 实验 · 物理学 2015-06-19 E. Pereira De Oliveira Filho

We present measurements of two-particle differential number correlation functions $R_{2}$ and transverse momentum correlation functions $P_{2}$, obtained from p-Pb collisions at 5.02 TeV and Pb-Pb collisions at 2.76 TeV. The results are…

核实验 · 物理学 2019-11-11 ALICE Collaboration

Centrality-dependent double-differential transverse momentum spectra of negatively charged particles ($\pi^-$, $K^-$ and $\bar p$) at mid-(pseudo)rapidity interval in nuclear collisions are analyzed by the standard distribution in terms of…

高能物理 - 唯象学 · 物理学 2020-05-28 Muhammad Waqas , Fu-Hu Liu , Zafar Wazir

Azimuthal di-hadron correlations play important role in the characterization of the medium created in heavy-ion collisions at RHIC. Moreover, as a novel phenomenon, strong modification of the away-side correlation is observed in Au+Au with…

核实验 · 物理学 2008-11-26 L. Molnar

Nuclear matter under extreme conditions can be investigated in ultra-relativistic heavy-ion collisions. The measurement of transverse momentum distributions and yields of identified particles is a fundamental step in understanding…

核实验 · 物理学 2016-11-23 Maria Vasileiou

The analysis of two-particle azimuthal correlation function in p+p and Au+Au collisions at s(NN)**(1/2) 200 GeV/c is presented. The mean jet fragmentation transverse momentum <|mjTy|> and mean parton transverse momentum <|kTy|> are inferred…

核实验 · 物理学 2009-09-29 PHENIX collaboration , J. Rak

We investigate the role of partonic degrees of freedom in high multiplicity p-Pb collisions at $\sqrt{s_{NN}}=$ 5.02 TeV carried out at the Large Hadron Collider (LHC) by studying the production and collective flow of identified hadrons at…

核理论 · 物理学 2020-09-22 Wenbin Zhao , Che Ming Ko , Yu-Xin Liu , Guang-You Qin , Huichao Song

We discuss results of the $k_t$ - factorization approach for heavy quark-heavy antiquark correlations in proton-proton and proton-antiproton collisions for RHIC, Tevatron and LHC. We consider correlations in the azimuthal angle as well as…

高能物理 - 唯象学 · 物理学 2011-07-19 M. Luszczak , A. Szczurek

This work presents calculations of thermal dilepton emission and polarization observables. It features a comprehensive framework which comprises virtual photon spectral functions complete at next-to-leading-order in the strong coupling and…

核理论 · 物理学 2026-05-29 Han Gao , Xiang-Yu Wu , Charles Gale , Greg Jackson , Sangyong Jeon

The measurement of the azimuthal-correlation function of prompt D mesons with charged particles in pp collisions at $\sqrt{s}$ = 5.02 TeV and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV with the ALICE detector at the LHC is reported.…

核实验 · 物理学 2022-04-06 ALICE Collaboration

Measurements from the CMS experiment at the LHC of dihadron correlations for charged particles produced in PbPb collisions at a nucleon-nucleon centre-of-mass energy of 2.76 TeV are presented. The results are reported as a function of the…

核实验 · 物理学 2013-01-23 CMS Collaboration

Two-particle correlations in relative rapidity and azimuth are studied for the p-Pb collisions at the LHC energy of 5.02 TeV in the framework of event-by-event 3+1-dimensional viscous hydrodynamics. It is found that for the…

核理论 · 物理学 2013-01-16 Piotr Bozek , Wojciech Broniowski

Differential two-particle normalized cumulants ($R_2$) and transverse momentum correlations ($P_2$) are measured as a function of the relative pseudorapidity and azimuthal angle difference $( \Delta \eta, \Delta \varphi )$ of charged…

核实验 · 物理学 2025-11-18 ALICE Collaboration

We analyze the relative yields of different bottomonia and charmonia states produced in Pb-Pb, p-Pb and high multiplicity p-p collisions at LHC, within a semi-classical grand canonical ensemble approach. The underlying assumption is the…

高能物理 - 唯象学 · 物理学 2023-06-28 Deekshit Kumar , Nachiketa Sarkar , Partha Pratim Bhaduri , Amaresh Jaiswal

High-multiplicity proton-proton (pp) collisions at the Large Hadron Collider (LHC) energies have created a new domain of research to look for a possible formation of quark-gluon plasma in these events. In this paper, we estimate various…

高能物理 - 唯象学 · 物理学 2021-04-22 Dushmanta Sahu , Raghunath Sahoo

Azimuthal angle two particle correlations have been shown to be a powerful probe for extracting novel features of jet induced correlations produced in Au+Au collisions at RHIC. At intermediate $p_T$, 2-5GeV/c, the jets have been shown to be…

核实验 · 物理学 2009-01-16 Anne Sickles

The azimuthal-correlation distributions between electrons from the decays of heavy-flavor hadrons and associated charged particles in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV are reported for the 0-10% and 30-50% centrality…

核实验 · 物理学 2025-07-18 ALICE Collaboration

Two-particle long-range azimuthal correlations are measured in photonuclear collisions using 1.7 nb$^{-1}$ of 5.02 TeV Pb+Pb collision data collected by the ATLAS experiment at the LHC. Candidate events are selected using a dedicated…

核实验 · 物理学 2021-07-21 ATLAS Collaboration

The comparison of angular correlations between charmed mesons and charged hadrons produced in pp, p-Pb and Pb-Pb collisions can give insight into the mechanisms through which charm quarks lose energy in a QGP medium, produced in…

高能物理 - 实验 · 物理学 2019-08-13 Fabio Colamaria