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Related papers: Longitudinal boost-invariance of charge balance fu…

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We present measurements of the charge balance function, from the charged particles, for diverse pseudorapidity and transverse momentum ranges in Au + Au collisions at 200 GeV using the STAR detector at RHIC. We observe that the balance…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Boost invariance and multiplicity dependence of the charge balance function are studied in $\pi^{+}\rp$ and $\rK^{+}\rp$ collisions at 250 GeV/$c$ incident beam momentum. Charge balance, as well as charge fluctuations, are found to be boost…

High Energy Physics - Experiment · Physics 2011-03-23 NA22 Collaboration , M. R. Atayan

Balance functions have been measured for charged particle pairs, identified charged pion pairs, and identified charged kaon pairs in Au+Au, d+Au, and p+p collisions at $\sqrt{s_{NN}}$ = 200 GeV at the Relativistic Heavy Ion Collider using…

Nuclear Experiment · Physics 2015-03-17 The STAR Collaboration , M. M. Aggarwal

The widths of charge balance function in high energy hadron-hadron and relativistic heavy ion collisions are studied using the Monte Carlo generators PYTHIA and AMPT, respectively. The narrowing of balance function as the increase of…

Nuclear Theory · Physics 2008-11-26 Du Jiaxin , Li Na , Liu Lianshou

Balance functions have been measured in terms of relative pseudorapidity ($\Delta \eta$) for charged particle pairs at the Relativistic Heavy-Ion Collider (RHIC) from Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 7.7 GeV to 200 GeV using the…

Nuclear Experiment · Physics 2015-07-14 STAR Collaboration

A study of two-particle differential number ($B$) and transverse momentum ($P_{2}^\mathrm{CD}$) balance functions in photon-proton ($\gamma p$) and proton-proton (pp) collisions at $\sqrt{s}=$ 5.36 TeV is presented. The analysis focuses on…

Nuclear Experiment · Physics 2026-02-25 Subash Chandra Behera , Dukhishyam Mallick

Data from the Large Hadron Collider on the charge balance function in Pb+Pb collisions at center-of-mass energy 2.76~TeV per nucleon pair are analyzed and interpreted within the framework of the \hydjet++ model. This model allows us to…

The balance function is a new observable based on the principle that charge is locally conserved when particles are pair produced. Balance functions have been measured for charged particle pairs and identified charged pion pairs in Au+Au…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Results from electric charge correlations studied with the Balance Function method in A+A collisions from 20\emph{A} to 158\emph{A} GeV are presented in two different rapidity intervals: In the mid-rapidity region we observe a decrease of…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

Measurements of the charge-dependent two-particle angular correlation function in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV and lead-lead (PbPb) collisions at…

Nuclear Experiment · Physics 2024-08-29 CMS Collaboration

We report on two-particle charge-dependent correlations in pp, p-Pb, and Pb-Pb collisions as a function of the pseudorapidity and azimuthal angle difference, $\mathrm{\Delta}\eta$ and $\mathrm{\Delta}\varphi$ respectively. These…

Nuclear Experiment · Physics 2016-03-25 ALICE Collaboration

In high-energy heavy-ion collisions, the correlations between the emitted particles can be used as a probe to gain insight into the charge creation mechanisms. In this Letter, we report the first results of such studies using the electric…

Nuclear Experiment · Physics 2014-09-09 ALICE Collaboration

Balance functions have been regarded in the past as a method of investigating the late-stage hadronization found in the presence of a strongly-coupled medium. They are also used to constrain mechanisms of particle production in large and…

High Energy Physics - Phenomenology · Physics 2024-11-19 Alexandru Manea , Claude Pruneau , Diana Catalina Brandibur , Andrea Danu , Alexandru F. Dobrin , Victor Gonzalez , Sumit Basu

Longitudinal scaling of pseudorapidity distribution of charged particles ($dN_{\mathrm {ch}}/d\eta$) is observed when presented as a function of pseudorapidity ($\eta$) shifted by the beam rapidity ($\eta$ - $y_{\mathrm {beam}}$) for a wide…

Nuclear Experiment · Physics 2011-05-13 Md. Nasim , Chitrasen Jena , Lokesh Kumar , Pawan Kumar Netrakanti , Bedangadas Mohanty

Mixed species charge and baryon balance functions are computed based on proton--proton (pp) collisions simulated with the PYTHIA8 model. Simulations are performed with selected values of the collision energy $\sqrt{s}$ and the Monash tune…

High Energy Physics - Phenomenology · Physics 2024-03-26 Claude Pruneau , Sumit Basu , Victor Gonzalez , Brian Hanley , Ana Marin , Alexandru F. Dobrin , Alexandru Manea

Event-by-event mean transverse momentum fluctuations ($\langle p_\mathrm{T}\rangle$) serve as a sensitive probe of initial state overlap geometry and energy density fluctuations in relativistic heavy-ion collisions. We present a systematic…

Nuclear Theory · Physics 2025-02-14 Liuyao Zhang , Jinhui Chen , Chunjian Zhang

This work concentrates on measurement of global hadronic observables in Au+Au interactions at a centre-of-mass energy per nucleon pair of 130 GeV, which mainly address conditions in the final state of the collision. The minimum bias…

Nuclear Experiment · Physics 2007-05-23 Manuel Calderon de la Barca Sanchez

Charge balance functions, which identify balancing particle-antiparticle pairs on a statistical basis, have been shown to be sensitive to whether hadronization is delayed by several fm/c in relativistic heavy ion collisions. Results from…

Nuclear Theory · Physics 2009-11-10 S. Cheng , C. Gale , S. Jeon , S. Petriconi , S. Pratt , M. Skoby , V. Topor Pop , Q. -H. Zhang

We have measured transverse momentum distributions of charged hadrons produced in Au+Au collisions at sqrt(s_NN) = 62.4 GeV. The spectra are presented for transverse momenta 0.25 < p_T< 4.5 GeV/c, in a pseudo-rapidity range of 0.2 < eta <…

Nuclear Experiment · Physics 2019-08-14 B. B. Back

The balance function, which measures the correlation between opposite sign charge pairs, is sensitive to the mechanisms of charge formation and the subsequent relative diffusion of the balancing charges. The study of the balance function…

Nuclear Experiment · Physics 2019-08-13 Hui Wang
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