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We investigate charged-hadron production in relativistic heavy-ion collisions of asymmetric systems within a nonequilibrium-statistical framework. Calculated centrality-dependent pseudorapidity distributions for p-Pb collisions at…

High Energy Physics - Phenomenology · Physics 2024-11-05 Philipp Schulz , Georg Wolschin

Direct measurements of the $\rho^0$p interaction have remained so far elusive, with most insights derived indirectly from photoproduction or low-energy partial wave analyses. This letter presents the first direct observation of the…

Nuclear Experiment · Physics 2025-08-14 ALICE Collaboration

Separation of charges along the extreme magnetic field created in non-central relativistic heavy--ion collisions is predicted to be a signature of local parity violation in strong interactions. We report on results for charge dependent two…

Nuclear Experiment · Physics 2019-08-14 Panos Christakoglou

We report about the properties of the underlying event measured with ALICE at the LHC in pp and p$-$Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV. The event activity, quantified by charged-particle number and summed-$p_{\rm T}$ densities,…

Nuclear Experiment · Physics 2023-06-27 ALICE Collaboration

The azimuthal correlations of D mesons and charged particles were measured with the ALICE detector in pp collisions at $\sqrt{s}=7$ TeV and p-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the Large Hadron Collider. D$^0$, D$^+$, and…

Nuclear Experiment · Physics 2017-05-23 ALICE Collaboration

The first moment <p_T> of the charged-particle transverse momentum spectrum and its correlation with the charged-particle multiplicity N_{ch} provide vital information about the underlying particle production mechanism. The ALICE…

High Energy Physics - Phenomenology · Physics 2013-11-11 Amir H. Rezaeian

Angular correlations are a sensitive probe of the transport properties of the system produced in nucleus-nucleus collisions. Similar studies performed in p-Pb collisions have recently revealed intriguing features as well. In this article,…

Nuclear Experiment · Physics 2015-06-17 Panos Christakoglou

The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at $\sqrt{s_\mathrm{NN}} =$ 8.16 TeV, are studied over a wide range of event multiplicities. Multiparticle correlations are…

High Energy Physics - Experiment · Physics 2020-01-29 CMS Collaboration

The long-range near-side ridge phenomenon in two-particle correlation is crucial for understanding the motion of partons after high-energy heavy-ion collisions. While it has been well explained by the hydrodynamic flow effect of the…

High Energy Physics - Phenomenology · Physics 2024-03-05 Jeongseok Yoon , Jin-Hee Yoon

We present the analysis of the semi-inclusive distribution of reconstructed charged particle jets recoiling from a high pT hadron trigger in central Pb Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV. We measure, subtract and unfold the large…

Nuclear Experiment · Physics 2012-10-30 ALICE Collaboration

Heavy-flavour hadrons, i. e. hadrons carrying charm or beauty quarks, are a well-suited probe to study the Quark-Gluon Plasma (QGP) in relativistic heavy-ion collisions. For this reason, measurements of electrons from heavy-flavour hadron…

High Energy Physics - Experiment · Physics 2015-10-28 E. Pereira de Oliveira Filho

Charge-dependent azimuthal particle correlations with respect to the second-order event plane in pPb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at the LHC. The…

Nuclear Experiment · Physics 2017-03-29 CMS Collaboration

In ultrarelativistic heavy-ion collisions, correlations of particles with opposite quantum numbers provide insight into quark production mechanisms and time scales, collective motion, and re-scattering in the hadronic phase. The…

Nuclear Experiment · Physics 2019-02-20 Jinjin Pan

One of the most important experimental results for proton-proton scattering at the LHC is the observation of a so-called "ridge" structure in the two particle correlation function versus the pseudorapidity difference $\Delta\eta$ and the…

High Energy Physics - Phenomenology · Physics 2015-03-17 K. Werner , Iu. Karpenko , T. Pierog

Two-dimensional angular correlation data from the STAR experiment at RHIC and from the LHC experiments provide critical information about dynamical processes in relativistic heavy-ion collisions. The principal correlation structures of…

High Energy Physics - Phenomenology · Physics 2014-07-16 R. L. Ray

In this paper we continue the investigation of the effect of quantum number conservations of pions, kaons, and protons, with very high transverse momenta (up to 25 GeV/c), during parton fragmentation and hadronization in p-p and Pb-Pb…

High Energy Physics - Experiment · Physics 2015-02-06 Gyula Bencédi , Gergely Gábor Barnaföldi , Levente Molnár

The study of multiplicity dependent di-hadron angular correlations allows us to assess the contribution of multiple-parton interactions to particle production. We will review these measurements in pp and p-Pb collisions with the ALICE…

Nuclear Experiment · Physics 2015-06-22 Andreas Morsch

We use AdS/CFT correspondence to study two-particle correlations in heavy ion collisions at strong coupling. Modeling the colliding heavy ions by shock waves on the gravity side, we observe that at early times after the collision there are…

High Energy Physics - Theory · Physics 2011-04-07 Hovhannes R. Grigoryan , Yuri V. Kovchegov

Based on the recent RHIC and LHC experimental results, the $\langle p_T\rangle$ dependence of identified light flavour charged hadrons on $\sqrt{(\frac{dN}{dy})/S_{\perp}}$, relevant scale in gluon saturation picture, is studied from…

High Energy Physics - Phenomenology · Physics 2018-08-15 M. Petrovici , A. Lindner , A. Pop , M. Tarzila , I. Berceanu

We report studies of charge-independent (CI) and charge-dependent (CD) two-particle differential number correlation functions, $R_{2} \left( \Delta \eta, \Delta \varphi \right)$, and transverse momentum correlation functions, $P_2 \left(…

Nuclear Experiment · Physics 2021-12-14 Sumit Basu , Victor Gonzalez , Jinjin Pan , Anders Knospe , Ana Marin , Christina Markert , Claude Pruneau