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Understanding the strong interactions between baryons, especially hyperon-nucleon ($Y$-$N$) interactions, is crucial for comprehending the equation-of-state (EoS) of the nuclear matter and inner structure of neutron star. In these…

Nuclear Experiment · Physics 2025-02-19 Boyang Fu

Two-particle angular correlations between unidentified charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV. The transverse-momentum range 0.7…

Nuclear Experiment · Physics 2015-06-08 ALICE Collaboration

We report the analysis of experimental azimuthal correlations measured by STAR in p-p collisions at $\sqrt{s_{NN}}$ = 200 GeV. We conclude that for a fit of data using Pythia event generator we need to include two values of $k_{T}$.

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Cuautle , I. Dominguez , G. Paic

The centrality dependence of the mean charged-particle multiplicity as a function of pseudorapidity is measured in approximately 1 $\mu$b$^{-1}$ of proton--lead collisions at a nucleon--nucleon centre-of-mass energy of…

High Energy Physics - Experiment · Physics 2016-05-04 ATLAS Collaboration

Identified charged particle spectra of $\pi^{\pm}$, $K^{\pm}$, $p$ and $\pbar$ at mid-rapidity ($|y|<0.1$) measured by the $\dedx$ method in the STAR-TPC are reported for $pp$ and d+Au collisions at $\snn = 200$ GeV and for Au+Au collisions…

Nuclear Experiment · Physics 2009-08-05 STAR Collaboration , B. I. Abelev

The charged pion multiplicity ratio in intermediate energy heavy-ion collisions, a probe of the density dependence of symmetry energy above the saturation point, has been proven in a previous study to be extremely sensitive to the strength…

Nuclear Theory · Physics 2017-02-01 M. D. Cozma

The multiplicities of charged particle with transverse momentum (3 $<$ $p_T^{h^{\pm}}$ $<$ 16 $\mathrm GeV/c$) and pseudorapidity ($\mid\eta\mid$ $\leq$ 1.0) associated with direct photons and $\pi^{0}$ of high transverse momentum (8 $<$…

Nuclear Experiment · Physics 2014-11-20 Ahmed M. Hamed

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

The estimation of anti-baryon to baryon ratio is considered to be a useful tool for studying baryon number transport in pp, pA and AA collisions. For this study, the Pythia event generator with various tunes is used to measure the…

High Energy Physics - Phenomenology · Physics 2024-09-20 Banajit Barman , Nur Hussain , Buddhadeb Bhattacharjee

Forward-backward (FB) multiplicity and momentum correlations of produced particles between symmetrically located pseudorapidity ($\eta$) intervals have been studied using the $p$QCD inspired EPOS3 model with and without hydrodynamical…

High Energy Physics - Phenomenology · Physics 2021-10-22 Joyati Mondal , Somnath Kar , Hirak Koley , Srijita Mukherjee , Argha Deb , Mitali Mondal

We present measurements of the nuclear modification factors RAA and RpA(PYTHIA) of b jets in lead-lead and proton-lead collisions, respectively, using the CMS detector. Jets from b-quark fragmentations are found by exploiting the long…

Nuclear Experiment · Physics 2019-08-13 Kurt Jung

We present a Bayesian method to reconstruct event-by-event multiplicity fluctuations and rapidity correlations in p+Pb collisions at zero impact parameter from minimum-bias data, without assuming any model of the collision dynamics. We test…

Nuclear Theory · Physics 2023-02-07 Mathis Pepin , Peter Christiansen , Stéphane Munier , Jean-Yves Ollitrault

The multiplicity and average transverse momentum of the charged and identified particles produced in different kinds of colliding systems are an example of global observables used to characterize events over a wide range of energy. Studying…

Nuclear Experiment · Physics 2022-09-28 Eleazar Cuautle , Edgar Domínguez Rosas , Mario Rodríguez-Cahuantzi

Event-by-event (ebe) multiplicity \fll and \cor amongst the charged particles emitted in the forward-backward symmetric pseudorapidity (\et) windows of varying widths and positions are investigated by analyzing the experimental data on…

Nuclear Experiment · Physics 2023-05-24 Bushra Ali , Sweta Singh , Anuj Chandra , Shakeel Ahmad

The study and understanding of the details of proton-proton collisions is important since they are the benchmark for the comparison with heavy ion results. In the present work we have studied the $\Delta\eta\Delta\phi$ correlations as a…

High Energy Physics - Phenomenology · Physics 2015-01-29 Edgar Perez , Guy Paic , Antonio Ortiz , Eleazar Cuautle

This study presents the first observation of ultra-long-range two-particle azimuthal correlations with pseudorapidity separation of ($|\Delta \eta| > 5.0$) in proton-proton (pp) and ($|\Delta \eta| > 6.5$) in proton-lead (p-Pb) collisions…

Nuclear Experiment · Physics 2025-04-04 ALICE Collaboration

The study of correlations between opposite-sign charge pairs and particle-ratio fluctuations can provide a powerful tool to probe the properties of the quark-gluon plasma (QGP). It has been suggested that the existence of a QCD phase…

Nuclear Experiment · Physics 2013-04-09 Hui Wang

The LHC data have unveiled unexpected features in proton-proton (pp) collisions, namely, collective-like behavior and strangeness enhancement. Originally, these new effects were discovered only in high-multiplicity pp collisions. However,…

High Energy Physics - Phenomenology · Physics 2026-03-03 Jesús Eduardo Muñoz Méndez , Antonio Ortiz

Multiplicity fluctuations of positively, negatively and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV. The multiplicity distributions and their scaled variances are…

Nuclear Experiment · Physics 2013-05-29 The NA49 Collaboration , B. Lungwitz

Measurements of two-particle angular correlations of inclusive charged particles as well as identified strange hadron in pp and pPb collisions are presented over a wide range in pseudorapidity and full azimuth. The data were collected using…

Nuclear Experiment · Physics 2017-09-13 Zhenyu Chen