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In recent years, ALICE has extensively studied the production of light (anti)(hyper)nuclei in different collision systems and center-of-mass energies. Nevertheless, the production mechanisms of light (hyper)nuclei is still unclear and under…

高能物理 - 实验 · 物理学 2023-03-22 Chiara Pinto

We consider the experimental data on yields of protons, strange $\Lambda^{\prime}$s, and multistrange baryons ($\Xi$, $\Omega$), and antibaryons production on nuclear targets, and the experimental ratios of multistrange to strange…

高能物理 - 唯象学 · 物理学 2022-06-29 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

The yield for the multi-strange $\Xi^{-}$ hyperon has been measured in 6 AGeV Au+Au collisions via reconstruction of its decay products $\pi^{-}$ and $\Lambda$, the latter also being reconstructed from its daughter tracks of $\pi^{-}$ and…

The pseudorapidity distribution of charged hadron over a wide $\eta$ range gives us crucial information about the dynamics of particle production. Constraint on the detector acceptance, particularly at forward rapidities, demands a proper…

高能物理 - 唯象学 · 物理学 2021-07-13 Rohit Gupta , Aman Singh Katariya , Satyajit Jena

The multiplicity distributions of hadrons produced in central nucleus-nucleus collisions are studied within the hadron-resonance gas model in the large volume limit. The microscopic correlator method is used to enforce conservation of three…

核理论 · 物理学 2008-11-26 V. V. Begun , M. Gazdzicki , M. I. Gorenstein , M. Hauer , V. P. Konchakovski , B. Lungwitz

The canonical effects on strangeness and light nuclei production in high energy collisions are investigated, with a particular focus on low multiplicity events observed in small collision systems at the Large Hadron Collider (LHC), and also…

高能物理 - 唯象学 · 物理学 2025-03-05 Natasha Sharma

The various experimental data at AGS, SPS and RHIC energies on hadron particle yields for central heavy ion collisions are investigated by employing a generalized statistical density operator, that allows for a well-defined anisotropic…

核理论 · 物理学 2008-11-26 B. Schenke , C. Greiner

We update briefly our understanding of hadron production in relativistic nucleus-nucleus collisions in terms of statistical models with emphasis on the relation of the data to the QCD phase boundary and on a puzzle in the beam energy…

核实验 · 物理学 2015-06-26 P. Braun-Munzinger

We consider the chemical freeze-out of $\Xi$, $\overline\Xi$ and $\phi$ multistrange hadrons within a Statistical Hadronization Model inspired approach. We study particle yields across a wide range of reaction energy and centrality from…

高能物理 - 唯象学 · 物理学 2014-11-20 Michal Petran , Johann Rafelski

We present a detailed comparison of coalescence and thermal-statistical models for the production of (anti-)(hyper-)nuclei in high-energy collisions. For the first time, such a study is carried out as a function of the size of the object…

高能物理 - 唯象学 · 物理学 2019-06-05 Francesca Bellini , Alexander Philipp Kalweit

Production of the doubly strange $\Xi $ baryon in heavy-ion collisions at \textrm{SIS} energies is studied in a relativistic transport model that includes perturbatively the strangeness-exchange reactions $\bar{K}\Lambda \to \pi \Xi $ and…

核理论 · 物理学 2009-11-10 Lie-Wen Chen , Che Ming Ko , Yiharn Tzeng

Hadron production ($\pi^\pm$, proton, $\Lambda$, $K_S^0$, $K^\pm$) in $\pi^- + \mathrm{C}$ and $\pi^- + \mathrm{W}$ collisions is investigated at an incident pion beam momentum of $1.7~\mathrm{GeV}/c$. This comprehensive set of data…

核实验 · 物理学 2023-02-21 R. Abou Yassine , J. Adamczewski-Musch , O. Arnold , E. T. Atomssa , M. Becker , C. Behnke , J. C. Berger-Chen , A. Blanco , C. Blume , M. Böhmer , L. Chlad , P. Chudoba , I. Ciepał , C. Deveaux , D. Dittert , J. Dreyer , E. Epple , L. Fabbietti , P. Fonte , C. Franco , J. Friese , I. Fröhlich , J. Förtsc , T. Galatyuk , J. A. Garzón , R. Gernhäuser , R. Greifenhagen , M. Grunwald , M. Gumberidze , S. Harabasz , T. Heinz , T. Hennino , C. Höhne , F. Hojeij , R. Holzmann , M. Idzik , B. Kämpfer , K-H. Kampert , B. Kardan , V. Kedych , I. Koenig , W. Koenig , M. Kohls , J. Kolas , B. W. Kolb , G. Korcyl , G. Kornakov , R. Kotte , W. Krueger , A. Kugler , T. Kunz , R. Lalik , K. Lapidus , S. Linev , F. Linz , L. Lopes , M. Lorenz , T. Mahmoud , L. Maier , A. Malige , J. Markert , S. Maurus , V. Metag , J. Michel , D. M. Mihaylov , V. Mikhaylov , A. Molenda , C. Müntz , R. Münzer , M. Nabroth , L. Naumann , K. Nowakowski , J. Orliński , J. -H. Otto , Y. Parpottas , M. Parschau , C. Pauly , V. Pechenov , O. Pechenova , K. Piasecki , J. Pietraszko , T. Povar , A. Prozorov , W. Przygoda , K. Pysz , B. Ramstein , N. Rathod , P. Rodriguez-Ramos , A. Rost , A. Rustamov , P. Salabura , T. Scheib , N. Schild , K. Schmidt-Sommerfeld , H. Schuldes , E. Schwab , F. Scozzi , F. Seck , P. Sellheim , J. Siebenson , L. Silva , U. Singh , J. Smyrski , S. Spataro , S. Spies , M. Stefaniak , H. Ströbele , J. Stroth , P. Strzempek , C. Sturm , K. Sumara , O. Svoboda , M. Szala , P. Tlusty , M. Traxler , H. Tsertos , O. Vazquez-Doce , V. Wagner , A. A. Weber , C. Wendisch , M. G. Wiebusch , J. Wirth , H. P. Zbroszczyk , E. Zherebtsova , P. Zumbruch , C. Curceanu , K. Piscicchia , A. Scordo

We study the scaled variances of multiplicity fluctuations in nucleus-nucleus collisions at SPS and RHIC energies within the HSD transport model. The HSD results are compared with proton-proton data and with predictions of the…

核理论 · 物理学 2008-11-26 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya

The study of nuclei and antinuclei production has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. The first measurement of the production of ${\rm…

核实验 · 物理学 2022-12-02 ALICE Collaboration

We apply a microcanonical statistical model to investigate hadron production in pp collisions. The parameters of the model are the energy E and the volume V of the system, which we determine via fitting the average multiplicity of charged…

高能物理 - 唯象学 · 物理学 2009-11-10 F. M. Liu , J. Aichelin , K. Werner , M. Bleicher

We present a possible explanation for the deep sub-threshold, $\phi$ and $\Xi^-$ production yields measured with the HADES experiment in Ar+KCl reactions at $E_{\mathrm{lab}}=1.76$ A GeV and present predictions for Au+Au reactions at…

核理论 · 物理学 2016-01-20 Jan Steinheimer , Marcus Bleicher

The production mechanism of (anti)nuclei in ultrarelativistic hadronic collisions is under intense debate in the scientific community. The description of the experimental measurements is currently based on two competing phenomenological…

核实验 · 物理学 2022-09-20 Chiara Pinto

A Hamiltonian eikonal model for the multiple production in high energy hadron hadron collisions is presented and worked out in the aim of providing a simple frame for many different observables of these processes. The Hamiltonian…

高能物理 - 唯象学 · 物理学 2007-05-23 Giorgio Calucci , Daniele Treleani

Multiplicity distributions of hadrons produced in central nucleus-nucleus collisions are studied within the hadron-resonance gas model in the large volume limit. In the canonical ensemble conservation of three charges (baryon number,…

核理论 · 物理学 2008-11-26 M. Hauer , V. V. Begun , M. Gazdzicki , M. I. Gorenstein , V. P. Konchakovski , B. Lungwitz

We present a detailed study of chemical freeze-out in nucleus-nucleus collisions at beam energies of 11.6, 30, 40, 80 and 158A GeV. By analyzing hadronic multiplicities within the statistical hadronization approach, we have studied the…

高能物理 - 唯象学 · 物理学 2008-11-26 F. Becattini , M. Gazdzicki , A. Keranen , J. Manninen , R. Stock