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Collective flow has been found to be similar between small colliding systems ($p$ $+$ $p$ and $p$ $+$ A collisions) and large colliding systems (peripheral A $+$ A collisions) at the CERN Large Hadron Collider. In order to study the…

Nuclear Theory · Physics 2024-08-30 Shuang Guo , Han-Sheng Wang , Kai Zhou , Guo-Liang Ma

We report the predictions of different Monte Carlo event generators including HIJING, Pythia, and QGSJETII in comparison with the experimental data measured by the CMS Collaboration at CERN in proton-proton ($pp$) collisions at…

High Energy Physics - Phenomenology · Physics 2022-04-25 Pei-Pin Yang , Muhammad Ajaz , Muhammad Waqas , Fu-Hu Liu , Mais K. Suleymanov

Oscillatory behavior of cumulant moments obtained from the experimental data in $pp$ collisions and $\bar{p}p$ collisions are analyzed by the modified negative binomial distribution (MNBD) and the negative binomial distribution (NBD). Both…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. Nakajima , M. Biyajima , N. Suzuki

We present results for the charged-particle multiplicity distribution at mid-rapidity in Au - Au collisions at sqrt(s_NN)=130 GeV measured with the PHENIX detector at RHIC. For the 5% most central collisions we find $dN_{ch}/d\eta_{|\eta=0}…

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

The present article reviews facts and problems concerning charge hadron production in high energy collisions. Main emphasis is laid on the qualitative and quantitative description of general characteristics and properties observed for…

High Energy Physics - Phenomenology · Physics 2014-01-03 Ashwini Kumar , P. K. Srivastava , B. K. Singh , C. P. Singh

The first measurement at midrapidity ($|y| < 0.5$) of the production yield of the strange-charm baryons $\Xi_c^+$ and $\Xi_c^0$ as a function of transverse momentum ($p_{\rm T}$) in different charged-particle multiplicity classes in…

Nuclear Experiment · Physics 2026-01-14 ALICE Collaboration

This paper presents measurements of distributions of charged particles which are produced in proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 8$ TeV and recorded by the ATLAS detector at the LHC. A special dataset…

High Energy Physics - Experiment · Physics 2016-08-26 ATLAS Collaboration

The average total energy as well as its hadronic and electromagnetic components are measured with the CMS detector at pseudorapidities $-$6.6 $<$ $\eta$ $<-$5.2 in proton-proton collisions at a centre-of-mass energy $\sqrt{s} =$ 13 TeV. The…

High Energy Physics - Experiment · Physics 2019-11-11 CMS Collaboration

Proton-Proton ($pp$) collisions at the Large Hadron Collider (LHC) are simulated in order to study events with a high local density of charged particles produced in narrow pseudorapidty windows of $\Delta\eta$ = 0.1, 0.2, and 0.5. The $pp$…

High Energy Physics - Experiment · Physics 2020-10-23 E. Shokr , A. H. El-Farrash , A. De Roeck , M. A. Mahmoud

In this Letter, the ALICE Collaboration presents the first measurements of the charged-particle multiplicity density, $\rm{d}N_{\rm{ch}}/\rm{d}\eta$, and total charged-particle multiplicity, $N_{\rm{ch}}^{\rm{tot}}$, in Xe-Xe collisions at…

Nuclear Experiment · Physics 2019-01-28 ALICE Collaboration

We present predictions of the mean multiplicity yields for different centrality classes of Pb-Pb collisions at $\sqrt{s} = 5.02$ TeV at the LHC, obtained using the Monte-Carlo Modified Glauber model (MGM) [1]. Contrary to generally used…

Nuclear Theory · Physics 2016-03-30 Andrey Seryakov , Grigory Feofilov

Measurements of hadron production in pp collisions at sqrt(s) = 0.9, 2.36 and 7 TeV recorded with the CMS detector are reported. Transverse momentum, pseudorapidity and multiplicity distributions of charged hadrons are presented. For…

High Energy Physics - Experiment · Physics 2019-08-13 Keith A. Ulmer

Dijet angular distributions are measured over a wide range of dijet invariant masses in pp collisions at sqrt(s) = 7 TeV, at the CERN LHC. The event sample, recorded with the CMS detector, corresponds to an integrated luminosity of 36…

High Energy Physics - Experiment · Physics 2015-03-18 CMS Collaboration

The production rates and the transverse momentum distribution of strange hadrons at mid-rapidity ($\ |y\ | < 0.5$) are measured in proton-proton collisions at $\sqrt{s}$ = 13 TeV as a function of the charged particle multiplicity, using the…

Nuclear Experiment · Physics 2020-06-16 ALICE Collaboration

The charge asymmetry in the production of top quark and antiquark pairs is measured in proton-proton collisions at a center-of-mass energy of 8 TeV. The data, corresponding to an integrated luminosity of 19.6 inverse femtobarns, were…

High Energy Physics - Experiment · Physics 2017-11-21 CMS Collaboration

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

The first measurements of the Fourier coefficients ($V_{n\Delta}$) of the azimuthal distributions of charged hadrons emitted from photon-proton ($\gamma$p) interactions at the LHC are presented. The data are extracted from 68.8 nb$^{-1}$ of…

Nuclear Experiment · Physics 2023-08-01 CMS Collaboration

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

Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-neutral fluctuations in 158$\cdot A$ GeV Pb+Pb collisions are…

Nuclear Experiment · Physics 2009-11-07 Tapan K. Nayak

We explore net charge probability distributions in heavy ion collisions within the hadron resonance gas model. The distributions for strangeness, electric charge and baryon number are derived. We show that, within this model, net charge…

High Energy Physics - Phenomenology · Physics 2015-06-03 P. Braun-Munzinger , B. Friman , F. Karsch , K. Redlich , V. Skokov