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Experimental results of inclusive hard-process cross sections in heavy-ion collisions conventionally lean on a normalization computed from Glauber models where the inelastic nucleon-nucleon cross section $\sigma_{\rm nn}^{\rm inel}$ -- a…

High Energy Physics - Phenomenology · Physics 2020-11-25 Kari J. Eskola , Ilkka Helenius , Mikko Kuha , Hannu Paukkunen

In this article we present the results of application of the Monte Carlo modified Glauber model for the predictions of collision centrality dependence of the total charged-particle yields for 16O +16O and 20Ne+20Ne colliding systems at the…

Nuclear Theory · Physics 2025-10-06 Svetlana Simak , Grigory Feofilov

Recent data on the nuclear modification of W and Z boson production measured by the ATLAS collaboration in PbPb collisions at $\sqrt{s_{\rm nn}}=5.02$ TeV show an enhancement in peripheral collisions, seemingly contradicting predictions of…

Nuclear Experiment · Physics 2021-11-03 Florian Jonas , Constantin Loizides

The nucleus-nucleus impact parameter and collision geometry of a heavy ion collision are typically characterized by assigning a collision "centrality". In all present heavy ion experiments centrality is measured indirectly, by detecting the…

Nuclear Experiment · Physics 2015-06-19 Sourav Tarafdar , Zvi Citron , Alexander Milov

The cross section for coherent $\mathrm{J/}\psi$ photoproduction in Pb-Pb collisions is the sum of two contributions, one from low-, the other from high-energy photon-nucleus interactions. A novel method to disentangle both contributions…

Nuclear Experiment · Physics 2017-07-26 J. G. Contreras

We review the theoretical and experimental progress in the Glauber model of multiple nucleon and/or parton scatterings, after the last 10--15 years of operation with proton and nuclear beams at the CERN Large Hadron Collider (LHC) and with…

High Energy Physics - Phenomenology · Physics 2021-09-15 David d'Enterria , Constantin Loizides

Recent studies reveal that at high energies, collisions of small system like $p+p$ gives signatures similar to that widely observed in heavy ion collisions hinting towards a possibility of forming a medium with collective behaviour. With…

High Energy Physics - Phenomenology · Physics 2020-01-15 Suman Deb , Golam Sarwar , Dhananjaya Thakur , Pavish S. , Raghunath Sahoo , Jan-e Alam

The inelastic hadronic cross section in proton-lead collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is measured with the CMS detector at the LHC. The data sample, corresponding to an integrated luminosity of 12.6 +/- 0.4…

High Energy Physics - Experiment · Physics 2016-08-31 CMS Collaboration

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

While current nuclear parton distribution functions (nPDFs) from global fits to experimental data are spatially homogeneous, many experimental observables in nucleus-nucleus collisions are presented in terms of centrality cuts. These cuts…

High Energy Physics - Phenomenology · Physics 2010-07-01 Adeola Adeluyi , Trang Nguyen , Bao-An Li

Collinear factorized perturbative QCD model predictions are compared for p+Pb at 4.4A TeV to test nuclear shadowing of parton distribution at the Large Hadron Collider (LHC). The nuclear modification factor (NMF), R_{pPb}(y=0,p_T<20 GeV/c)…

Nuclear Theory · Physics 2015-03-19 G. G. Barnafoldi , J. Barrette , M. Gyulassy , P. Levai , V. Topor Pop

The Glauber model is extensively applied to heavy ion collision for describing a number of interaction processes over a wide range of energies from near the Coulomb barrier to higher energies. The model gives the nucleus-nucleus interaction…

Nuclear Theory · Physics 2007-05-23 P. Shukla

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

We argue that with an increase of the collision energy, elastic photoproduction of $\rho$ mesons on nuclei becomes affected by the significant cross section of photon inelastic diffraction into large masses, which results in the sizable…

High Energy Physics - Phenomenology · Physics 2016-01-26 L. Frankfurt , V. Guzey , M. Strikman , M. Zhalov

The so called number of hadron-nucleus collisions n_coll(b) at impact parameter b, and its integral value N_coll, which are used to normalize the measured fractional cross section of a hard process, are calculated within the Glauber-Gribov…

The scaling rules of the invariant yields and cross sections for hard scattering processes in proton-nucleus ($pA$) and nucleus-nucleus ($AB$) reactions at LHC energies relative to those of nucleon-nucleon $NN$ (isospin averaged $pp$)…

Nuclear Experiment · Physics 2007-05-23 D. d'Enterria

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

We revisit the Glauber model to study the heavy ion reaction cross sections and elastic scattering angular distributions at low and intermediate energies. The Glauber model takes nucleon-nucleon cross sections and nuclear densities as…

Nuclear Theory · Physics 2017-04-26 Ajay Mehndiratta , Prashant Shukla

We have measured for the first time the charge-changing cross sections ($\sigma_{\text{CC}}$) of $^{12-16}$C on a $^{12}$C target at energies below $100A$ MeV. To analyze these low-energy data, we have developed a finite-range Glauber model…

Results from proton-proton ($pp$) collisions have routinely been used as a baseline to analyze and understand the production of QCD matter expected to be produced in nuclear collisions. But recent studies of small systems formed in $pp$…

High Energy Physics - Phenomenology · Physics 2021-10-28 Suman Deb , Golam Sarwar , Dhananjaya Thakur , Pavish S. , Raghunath Sahoo , Jan-e Alam
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