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Related papers: Formation of light (anti)nuclei

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The measurement of the production of deuterons, tritons and $^{3}\mathrm{He}$ and their antiparticles in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV is presented in this article. The measurements are carried out at midrapidity…

Nuclear Experiment · Physics 2023-06-22 ALICE Collaboration

Nuclear collisions recreate conditions in the universe microseconds after the Big Bang. Only a very small fraction of the emitted fragments are light nuclei, but these states are of fundamental interest. We report the observation of…

Nuclear Experiment · Physics 2010-03-11 The STAR Collaboration , B. I. Abelev

The production of light nuclei in relativistic heavy-ion collisions is well described by both the thermal model, where light nuclei are in equilibrium with all other hadron species present in a fireball, and by the coalescence model, where…

Nuclear Theory · Physics 2020-09-08 Stanislaw Mrowczynski , Patrycja Slon

Creations of light anti-nuclei (anti-deuterium, anti-tritium, anti-He3 and anti-He4) are observed by collaborations at the LHC and RHIC accelerators. Some cosmic ray experiments are aimed to find the anti-nuclei in cosmic rays. To support…

Nuclear Theory · Physics 2015-06-11 A. Galoyan , V. Uzhinsky

Recently, the Alpha Magnetic Spectrometer (AMS-02) Collaboration presented tentative evidence for the detection of cosmic antihelion-3 (${}^3\overline{\rm He}$) events, alongside a comparable number of antideuterons ($\overline{\rm D}$). If…

High Energy Physics - Phenomenology · Physics 2025-04-11 Mattia Di Mauro , Adil Jueid , Jordan Koechler , Roberto Ruiz de Austri

First results of ALICE on the production of nuclei and antinuclei in pp collisions at \surd s = 7 TeV are presented. These particles are identified using the energy loss (dE/dx) measurements in the Time Projection Chamber. The Inner…

Nuclear Experiment · Physics 2019-08-14 N. Sharma

The fluxes of light antinuclei A<=4 induced near earth by Cosmic Ray intera ctions with the interstellar matter in the Galaxy and with the Earth atmosphere, are calculated in a phenomenological framework. The hadronic production cross…

Astrophysics · Physics 2009-11-10 R. Duperray , B. Baret , D. Maurin , G. Boudoul , A. Barrau , L. Derome , K. Protasov , M. Buenerd

An overview of nuclei and anti-nuclei production with results from different experiments are discussed. The comparison of data with the thermal and coalescence models is also discussed to understand their production mechanisms in high…

High Energy Physics - Experiment · Physics 2018-07-10 Natasha Sharma

The study of the production of nuclei and antinuclei in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. In this paper, the production of…

Nuclear Experiment · Physics 2022-04-11 ALICE Collaboration

Momentum correlation functions of light (anti)nuclei formed by the coalescence mechanism of (anti)nucleons are calculated for several central heavy-ion collision systems, namely $_{5}^{10}\textrm{B}+_{5}^{10}\textrm{B}$,…

High Energy Physics - Phenomenology · Physics 2023-01-10 Ting-Ting Wang , Yu-Gang Ma , Song Zhang

Light nuclei production is sensitive to the baryon density fluctuations and can be used to probe the QCD phase transition in relativistic heavy-ion collisions. In this work, we studied the production of proton, deuteron, triton in central…

Nuclear Theory · Physics 2020-05-18 Hui Liu , Dingwei Zhang , Shu He , Kai-jia Sun , Ning Yu , Xiaofeng Luo

We investigate the collision energy dependence of deuteron and antideuteron emission in the RHIC-BES low- to mid-energy range $\sqrt{s_{NN}} = 4.6-200$ GeV where the formation rate of antinuclei compared to nuclei is strongly suppressed. In…

High Energy Physics - Phenomenology · Physics 2020-12-02 Apiwit Kittiratpattana , Michael Florian Wondrak , Medina Hamzic , Marcus Bleicher , Christoph Herold , Ayut Limphirat

We have used the dynamically constrained phase space coalescence model to investigate the production of light nuclei (anti-nuclei) based on the 1.134$\times 10^7$ hadronic final states generated by the PACIAE model for the 0-5% most central…

Nuclear Theory · Physics 2014-09-30 Gang Chen , Yu-Liang Yan , De-sheng Li , Dai-Mei Zhou , Mei-Juan Wang , Bao-Guo Dong , Ben-Hao Sa

In our Galaxy, light antinuclei composed of antiprotons and antineutrons can be produced through high-energy cosmic-ray collisions with the interstellar medium or could also originate from the annihilation of dark-matter particles that have…

Nuclear Experiment · Physics 2022-12-19 ALICE Collaboration

We show how to produce antideuteron, antihelium, and other antinuclei in large fractions from the decays of a new particle $\phi$ that carries baryon number. Close to threshold, the production of nuclear bound states is preferred over the…

High Energy Physics - Phenomenology · Physics 2020-09-10 Julian Heeck , Arvind Rajaraman

Tentative observations of cosmic-ray antihelium by the AMS-02 collaboration have re-energized the quest to use antinuclei to search for physics beyond the standard model. However, our transition to a data-driven era requires more accurate…

High Energy Astrophysical Phenomena · Physics 2024-04-23 Pedro De La Torre Luque , Martin Wolfgang Winkler , Tim Linden

The thermal model properly describes the production yields of light nuclei in relativistic heavy-ion collisions even so the loosely bound sizable nuclei cannot exist in the dense and hot hadron gas at a chemical freeze-out. Within the…

Nuclear Theory · Physics 2017-06-07 Stanislaw Mrowczynski

Using the coalescence model based on nucleons from a blast-wave model with its parameters fitted to the measured proton transverse momentum spectrum and elliptic flow in heavy ion collisions at the Relativistic Heavy Ion Collider, we study…

Nuclear Theory · Physics 2017-06-07 Xuejiao Yin , Che Ming Ko , Yifeng Sun , Lilin Zhu

We present results of simulations of light-nuclei production in relativistic heavy-ion collisions within updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (Ultra-relativistic Quantum Molecular Dynamics) final State…

Nuclear Theory · Physics 2023-02-15 M. Kozhevnikova , Yu. B. Ivanov

The transverse momentum spectra of light nuclei (deuteron, triton and helion) produced in various centrality intervals in Gold-Gold (Au-Au), Lead-Lead (Pb-Pb) and proton-Lead (p-Pb) collisions, as well as in inelastic (INEL) proton-proton…

High Energy Physics - Phenomenology · Physics 2021-10-14 M. Waqas , G. X. Peng , Fu-Hu Liu , Z. Wazir