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Related papers: Recent results on net-baryon fluctuations in ALICE

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Moments (Variance ($\sigma^2$), Skewness($S$), Kurtosis($\kappa$)) of multiplicity distributions of conserved quantities, such as net-baryon,net-charge and net-strangeness, are predicted to be sensitive to the correlation length of the…

Nuclear Experiment · Physics 2013-09-06 Xiaofeng Luo , Ji Xu , Bedangadas Mohanty , Nu Xu

The time evolution of particle number fluctuations in nuclear collisions at intermediate energies ($E_{\rm lab} = 1.23-10A$ GeV) is studied by means of the UrQMD-3.5 transport model. The transport description incorporates baryonic…

High Energy Physics - Phenomenology · Physics 2023-03-10 O. Savchuk , R. V. Poberezhnyuk , A. Motornenko , J. Steinheimer , M. I. Gorenstein , V. Vovchenko

The status of the analysis of electron-positron pairs measured by ALICE in pp collisions at $\sqrt{s} = 7$ TeV and central Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}=2.76$ TeV is presented. Key questions and the main challenges of the…

Nuclear Experiment · Physics 2019-08-13 Christoph Baumann

Recent measurements of event-by-event fluctuations of multistrange baryons and kaons in proton-proton collisions by ALICE have been proposed as sensitive probes to distinguish between thermal and string-based hadronization mechanisms. We…

High Energy Physics - Phenomenology · Physics 2025-06-24 Christian Bierlich , Peter Christiansen

We study the fluctuations of net-charge, net-pion, net-kaon and net-proton using $D$-measure and $\nu_{dyn}$ variables in heavy-ion jet interaction generator (HIJING), ultra-relativistic quantum molecular dynamics (UrQMD), and hadron…

High Energy Physics - Phenomenology · Physics 2020-02-24 Vivek Kumar Singh , D. K. Mishra , Zubayer Ahammed

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

Event-by-event fluctuations of the net-proton number studied in heavy-ion collisions provide an important means in the search for the conjectured critical end point (CP) in the QCD phase diagram. We propose a phenomenological model in which…

Nuclear Theory · Physics 2020-04-22 Michał Szymański , Marcus Bluhm , Krzysztof Redlich , Chihiro Sasaki

We calculate electric and baryonic charge fluctuations on the lattice. Results have been obtained with the highly improved staggered quark action (HISQ) and almost physical quark masses on lattices with spacial extent of $N_\tau=6,8,12$.…

High Energy Physics - Lattice · Physics 2015-06-12 Christian Schmidt

The experimental search for the QCD critical point by means of relativistic heavy-ion collisions necessitates the development of dynamical models of fluctuations. In this work we study the fluctuations of the net-baryon density near the…

Nuclear Theory · Physics 2020-11-25 Marlene Nahrgang , Marcus Bluhm

We construct net baryon number and strangeness susceptibilities as well as correlations between electric charge and strangeness from experimental data of the ALICE Collaboration at the CERN LHC. The data were taken in Pb-Pb collisions at…

High Energy Physics - Phenomenology · Physics 2015-06-02 Peter Braun-Munzinger , Alexander Kalweit , Krzysztof Redlich , Johanna Stachel

The multiplicity percentile dependence of cumulants, of net-proton number distributions in Au$-$Au collisions at $\sqrt{s_{NN}} = $ 200 GeV and Pb$-$Pb collisions at $\sqrt{s_{NN}} = $ 2.76 TeV has been investigated using the Angantyr model…

High Energy Physics - Phenomenology · Physics 2020-07-01 Nirbhay Kumar Behera , Ranjit Kumar Nayak , Sadhana Dash

The measurement of event-by-event fluctuations and charge-dependent particle correlations are used to study properties of nuclear matter at high temperatures as produced in ultrarelativistic heavy-ion collisions. We present results for…

Nuclear Experiment · Physics 2019-08-13 Michael Weber

We present new results on up to $6^{th}$ order cumulants of net baryon-number fluctuations at small values of the baryon chemical potential, $\mu_B$, obtained in lattice QCD calculations with physical values of light and strange quark…

Event-by-event fluctuations (ebe) of hadronic patterns are investigated in terms of voids by analyzing the experimental data on 4.5, 14.5 and 60A GeV/c 16O-AgBr collisions. The findings are compared with the predictions of a multi-phase…

Nuclear Experiment · Physics 2015-10-26 Shakeel Ahmad , M. M. Khan , Shaista Khan , A. Khatun , M. Irfan

The appearance of large, none-Gaussian cumulants of the baryon number distribution is commonly discussed as a signal for the QCD critical point. We review the status of the Taylor expansion of cumulant ratios of baryon number fluctuations…

High Energy Physics - Lattice · Physics 2021-11-29 C. Schmidt , J. Goswami , G. Nicotra , F. Ziesché , P. Dimopoulos , F. Di Renzo , S. Singh , K. Zambello

High moments of conserved quantities such as net-baryon, net-electric charge, and net-strangeness in heavy-ion collisions are sensitive to fluctuations caused by the QCD critical point (CP). The event-by-event analysis of high moments of…

Nuclear Experiment · Physics 2025-11-06 Xin Zhang , Yu Zhang , Xiaofeng Luo , Nu Xu

We present here recent open heavy-flavour results from the ALICE experiment, including measurements of D-meson, $\mathrm{\Lambda_{c}^{+}}$ baryon and $\mathrm{\Xi_c^0}$ baryon production in pp collisions at $\sqrt{s} = 7~\mathrm{TeV}$ and…

High Energy Physics - Experiment · Physics 2019-08-21 Jaime Norman

Recent results for moments of multiplicity distributions of net-protons and net-electric charge from the STAR collaboration are compared to lattice QCD results for higher order fluctuations of baryon number and electric charge by the…

High Energy Physics - Lattice · Physics 2014-08-06 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

The production of charm-hadrons at midrapidity in pp collisions at $\sqrt{s}$ = 5.02 and 13 TeV was recently measured by the ALICE Collaboration. The results show that the baryon-to-meson yield ratios differ from predictions where the…

High Energy Physics - Experiment · Physics 2022-02-22 Tiantian Cheng

Event-by-event fluctuations of produced particle multiplicities are believed to be sensitive to a deconfinement phase transition and the critical point of strongly interacting matter. The NA49 collaboration has conducted a systematic study…

Nuclear Experiment · Physics 2019-08-14 Tim Schuster
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