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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…

High Energy Physics - Experiment · Physics 2023-03-22 Chiara Pinto

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

We extend an analytical nucleon coalescence model with hyperons to study productions of light nuclei, hypertritons and $\Omega$-hypernuclei in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV. We derive the formula of the momentum distribution…

High Energy Physics - Phenomenology · Physics 2025-07-24 Rui-Qin Wang , Xin-Lei Hou , Yan-Hao Li , Jun Song , Feng-Lan Shao

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 hadrons of all species present in a fireball, and by the coalescence model, where…

Nuclear Theory · Physics 2020-12-22 Stanislaw Mrowczynski

Light (anti-)nuclei in relativistic heavy-ion collisions are considered to be formed by the coalescence mechanism of (anti-)nucleons in the present work. Using a dynamical phase-space coalescence model coupled with a multi-phase transport…

Nuclear Theory · Physics 2022-01-13 Yi-Lin Cheng , Song Zhang , Yu-Gang Ma

The light front analysis of pi^{-} mesons in He(Li,C), C-Ne, C-Cu and O-Pb collisions is carried out. The phase space of secondary pions is divided into two parts in one of which the thermal equilibrium assumption seems to be in a good…

High Energy Physics - Experiment · Physics 2009-10-31 M. Anikina , L. Chkhaidze , T. Djobava , V. Garsevanishvili , L. Kharkhelauri

The increase in yields of light nuclei with charged particle multiplicity, as reported by the ALICE collaboration at CERN in p-p and p-Pb collisions at the LHC energy is investigated in the thermal hadron resonance gas model. The model is…

Nuclear Theory · Physics 2023-05-11 Natasha Sharma , Lokesh Kumar , Pok Man Lo , Krzysztof Redlich

We propose to measure the yields of $^4{\rm He}$ and $^4{\rm Li}$ in relativistic heavy-ion collisions to clarify a mechanism of light nuclei production. Since the masses of $^4{\rm He}$ and $^4{\rm Li}$ are almost equal, the yield of…

Nuclear Theory · Physics 2018-08-02 Sylwia Bazak , Stanislaw Mrowczynski

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

High energy pp, p--Pb, and Pb--Pb collisions at the LHC offer a unique opportunity to study the production of light (anti-)nuclei. The study of the production yield of (anti-)nuclei in heavy-ion collisions at LHC energies probes the late…

Nuclear Experiment · Physics 2020-12-02 Sebastian Hornung

High-energy nuclear collisions provide a unique environment for synthesizing both nuclei and antinuclei (such as $\bar{d}$ and $\overline{^4\text{He}}$) at temperatures ($k_BT\sim100$ MeV) nearly two orders of magnitude above their binding…

Nuclear Theory · Physics 2025-11-18 Li-Yuan Zhang , Che Ming Ko , Yu-Gang Ma , Qi-Ye Shou , Kai-Jia Sun , Rui Wang , Song Zhang

At energies of a few GeV per nucleon, nuclear collisions exhibit phenomena more complex than the individualistic nucleon interactions observed at much higher energies. From recent results on proton number fluctuations in Au + Au collisions…

Nuclear Theory · Physics 2024-08-16 Ali Bazgir , Maciej Rybczynski , Uzair A. Shah , Zbigniew Wlodarczyk

Light nuclei production as a result of nuclear coalescence effect can give some signals on final state of Quark Gluon Plasma formation. We are studying the behavior of nuclear modification factor as a function of different variables using…

Nuclear Experiment · Physics 2009-04-15 K. H. Khan , M. K. Suleymanov , Z. Wazir , E. U. Khan , Mahnaz Q. Haseeb , M. Ajaz

Light nuclei can be produced in the central reaction zone via coalescence in relativistic heavy ion collisions. E864 at BNL has measured the production of ten light nuclei with nuclear number of A=1 to A=7 at rapidity $y\simeq1.9$ and…

Nuclear Experiment · Physics 2012-08-27 The E864 Collaboration

Production of light (anti-)nuclei and (anti-)hypertriton within midrapidity ($|y|<0.5$) and $p_T<3.0$ GeV/c in $pp$ interactions at $\sqrt{s}$ = 0.90, 2.76 and 7 TeV is investigated by the dynamically constrained phase space coalescence…

High Energy Physics - Phenomenology · Physics 2021-02-23 Nserdin A. Ragab , Zhi-Lei She , Gang Chen

In heavy-ion collisions, understanding how light nuclei species are produced can provide insight into the nature of hadronic interactions in extreme conditions. It can also shed light on understanding the matter-antimatter asymmetry and…

High Energy Physics - Phenomenology · Physics 2023-12-01 Yoshini Bailung , Neha Shah , Ankhi Roy

We report on measurements by the E864 experiment at the BNL-AGS of the yields of light nuclei in collisions of Au(197) with beam momentum of 11.5 A GeV/c on targets of Pb(208) and Pt(197). The yields are reported for nuclei with baryon…

Nuclear Experiment · Physics 2012-08-27 The E864 Collaboration

The coalescence model based on nucleon distribution functions from an isospin-dependent transport model is used to study the production of light clusters such as deuteron, triton, and $^{3}$He from heavy-ion collisions induced by…

Nuclear Theory · Physics 2015-06-26 Lie-Wen Chen , C. M. Ko , Bao-An Li

Vector mesons are copiously produced in ultra-peripheral nucleus-nucleus collisions. In these collisions, the nuclei are separated by impact parameters larger than the sum of the nuclear radii, and the interaction is mediated by the…

Nuclear Experiment · Physics 2019-08-13 Joakim Nystrand

We present results of a phase space coalescence approach within the UrQMD transport and -hybrid model for a very wide range of beam energies from SIS to LHC. The coalescence model is able to qualitatively describe the whole range of…

High Energy Physics - Phenomenology · Physics 2022-03-17 Paula Hillmann , Katharina Käfer , Jan Steinheimer , Volodymyr Vovchenko , Marcus Bleicher