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In the framework of various Glauber-like models we compute several correlation observables in nuclear collisions at the SPS, RHIC, and LHC energies. We analyze fluctuations of the eccentricity of the fireball created in the collision, in…

Nuclear Theory · Physics 2009-02-24 Maciej Rybczynski , Wojciech Broniowski , Piotr Bozek

The centrality dependence of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by…

Nuclear Experiment · Physics 2017-10-02 ALICE Collaboration

The Glauber model is a widely used framework for describing the initial conditions in high-energy nuclear collisions. TGlauberMC is a Monte Carlo implementation of this model that enables detailed, event-by-event calculations across various…

Nuclear Theory · Physics 2026-02-05 Constantin Loizides

We study the initial conditions for Pb+Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV using the two component Monte-Carlo Glauber model with shadowing of the nucleons in the interior by the leading ones. The model parameters are fixed by…

Nuclear Theory · Physics 2016-05-10 Snigdha Ghosh , Sushant K. Singh , Sandeep Chatterjee , Jane Alam , Sourav Sarkar

We explore Glauber Monte Carlo predictions for the planned ultra-relativistic ${}^{16}{\rm O}$+${}^{16}{\rm O}$ and p+${}^{16}{\rm O}$ collisions, as well as for collisions of ${}^{16}{\rm O}$ on heavy targets. In particular, we present…

High Energy Physics - Phenomenology · Physics 2020-01-01 Maciej Rybczyński , Wojciech Broniowski

We compute predictions for various low-transverse-momentum bulk observables in $\sqrt{s_{NN}} = 5.023$ TeV Pb+Pb collisions at the LHC from the event-by-event next-to-leading-order perturbative-QCD + saturation + viscous hydrodynamics…

High Energy Physics - Phenomenology · Physics 2016-02-03 H. Niemi , K. J. Eskola , R. Paatelainen , K. Tuominen

The ALICE Collaboration reports its first LHC Run 3 measurements of charged-particle pseudorapidity density at midrapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV. Particle…

Nuclear Experiment · Physics 2025-04-04 ALICE Collaboration

PHENIX has measured the centrality dependence of charged hadron p_T spectra from central Au+Au collisions at sqrt(s_NN)=130 GeV. The truncated mean p_T decreases with centrality for p_T > 2 GeV/c, indicating an apparent reduction of the…

Nuclear Experiment · Physics 2008-11-26 PHENIX Collaboration , K. Adcox

Predictions of elliptic flow ($v_2$) and nuclear modification factor ($R_{AA}$) are provided as a function of centrality in U + U collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV. Since the $^{238}$U nucleus is naturally deformed, one could…

Nuclear Theory · Physics 2009-11-05 Hiroshi Masui , Bedangadas Mohanty , Nu Xu

This work presents data analysis on Pb-Pb collisions at $\sqrt{s_{\rm NN}}$=2.76 TeV with centrality $40\%-50\%$. We present introduction and Monte-Carlo simulation results of the Glauber model, which shed light on the initial geometric…

High Energy Physics - Experiment · Physics 2022-07-13 Ce-ran Hu , Wen-tao He , Cheng-ze Lyu , Kang-jie Yang , Lily Yao , Rui-chong Zhao

The nuclear modification factor, $R_{\rm AA}$, of the prompt charmed mesons ${\rm D^0}$, ${\rm D^+}$ and ${\rm D^{*+}}$, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy…

Nuclear Experiment · Physics 2017-06-13 ALICE Collaboration

Recent measurements of jet production rates at large transverse momentum ($p_T$) in the collisions of small projectiles with large nuclei at RHIC and the LHC indicate that they have an unexpected relationship with estimates of the collision…

Nuclear Theory · Physics 2016-08-31 D. McGlinchey , J. L. Nagle , D. V. Perepelitsa

The ALICE collaboration measured charged particle production in $\sqrt{s_{NN}}=2.76$ TeV Pb--Pb collisions at the LHC. We report on results on charged particle multiplicity and transverse momentum spectra. All the results are presented as a…

High Energy Physics - Experiment · Physics 2019-08-21 M. Floris

We calculate the medium modification factor $I_{pA}$ for 5.02 TeV $p$+Pb collisions. We use the Monte-Carlo Glauber model to determine the parameters of the quark-gluon plasma fireball in $pA$ jet events. Our calculations show that the jet…

High Energy Physics - Phenomenology · Physics 2024-07-03 B. G. Zakharov

Using the Gribov-Glauber model for photon-nucleus scattering and a generalization of the vector meson dominance model for the hadronic structure of the photon, we make predictions for the cross section of incoherent $\rho$ photoproduction…

High Energy Physics - Phenomenology · Physics 2020-08-05 V. Guzey , E. Kryshen , M. Zhalov

The first measurement of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}}$ = 2.76 TeV is presented. For an event sample corresponding to the most…

Nuclear Experiment · Physics 2017-10-02 ALICE Collaboration

We study within the Monte Carlo Glauber model the influence of collective quantum effects in the Pb nucleus on the azimuthal anisotropy coefficients $\epsilon_{2,3}$ in Pb+Pb collisions at the LHC energies. To account for the quantum…

Nuclear Theory · Physics 2022-08-10 B. G. Zakharov

In this paper, a new Monte Carlo Glauber model is developed for pA collisions. It uses the hadronic cross sections calculated within the KMR model as implemented in the SHRiMPS minimum bias module of the SHERPA event generator. These cross…

High Energy Physics - Phenomenology · Physics 2026-02-04 Chiara Le Roux

A two-component (soft + hard) model (TCM) of hadron production in high-energy nuclear collisions is applied to ensemble-mean $p_t$ (denoted by $\bar p_t$) data for $p$-$p$, $p$-Pb and Pb-Pb collisions from the relativistic heavy ion…

High Energy Physics - Phenomenology · Physics 2017-09-01 Thomas A. Trainor

Global variables, such as the charged particle multiplicity and the transverse energy are important observables to characterize Relativistic Heavy Ion collisions and to constrain model calculations. The charged particle multiplicity…

Nuclear Experiment · Physics 2019-08-14 Alberica Toia