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The production of light nuclei and hyper-nuclei in heavy-ion collisions, particularly at high baryon density, is crucial for understanding the dynamical evolution of the collision system and exploring the internal state of nuclear matter of…

Nuclear Theory · Physics 2024-07-24 L. K. Liu , C. L. Hu , X. H. He , S. S. Shi , G. N. Xie

The study of antinuclei in cosmic rays provides a unique opportunity to probe physics beyond the Standard Model. Antinuclei in our Galaxy may stem either from annihilation or decay of dark matter, or from collisions of cosmic rays with the…

High Energy Physics - Phenomenology · Physics 2024-12-11 Maximilian Mahlein , Chiara Pinto , Laura Fabbietti

The production mechanism of light nuclei, such as deuteron, helium-3, tritium and their antiparticles, has recently attracted an increased attention from the astroparticle and heavy ion communities. The expected low astrophysical background…

High Energy Physics - Phenomenology · Physics 2020-12-23 J. Tjemsland

The formation of light nuclei can be described as the coalescence of clusters of nucleons into nuclei. In the case of small interacting systems, such as dark matter and $e^+e^-$ annihilations or $pp$ collisions, the coalescence condition is…

High Energy Physics - Phenomenology · Physics 2021-06-02 M. Kachelriess , S. Ostapchenko , J. Tjemsland

The production of light hypernuclei in relativistic heavy-ion collisions provides a unique opportunity to probe hyperon--nucleon interactions and possible three-body forces, which are central to the resolution of the hyperon puzzle in…

Nuclear Theory · Physics 2026-03-17 Yue Hang Leung , Yingjie Zhou , Norbert Herrmann

A microscopic understanding of (anti)deuteron production in hadron-hadron collisions is the subject of many experimental and theoretical efforts in nuclear physics. This topic is also very relevant for astrophysics, since the rare…

High Energy Physics - Experiment · Physics 2024-12-10 Maximilian Mahlein , Luca Barioglio , Francesca Bellini , Laura Fabbietti , Chiara Pinto , Bhawani Singh , Sushanta Tripathy

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

Antideuteron and antihelium nuclei have been proposed as promising detection channels for dark matter because of the low astrophysical backgrounds expected. To estimate both potential exotic contributions and their backgrounds, one usually…

High Energy Physics - Phenomenology · Physics 2020-09-02 M. Kachelriess , S. Ostapchenko , J. Tjemsland

We present a realistic theoretical treatment of a three-level $\Lambda$ system in a hot atomic vapor interacting with a coupling and a probe field of arbitrary strengths, leading to electromagnetically-induced transparency and slow light…

Quantum Physics · Physics 2015-05-13 Joyee Ghosh , R. Ghosh , F. Goldfarb , J. -L. Le Gouët , F. Bretenaker

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

The nucleon coalescence model is one of the most popular theoretical models for light nuclei production in high-energy heavy-ion collisions. The production of light nuclei $d$, $t$, $^{3}$He, and $^{4}$He is studied using the transport…

Nuclear Theory · Physics 2023-05-05 Yue Xu , Xionghong He , Nu Xu

In the frame of the Wigner function formalism, we derive a coalescence model to use with a hydrodynamical picture of the reaction zone

Nuclear Theory · Physics 2007-05-23 R. Scheibl , U. Heinz

Loosely bound light nuclei are produced in abundance in heavy-ion collisions. There are two main possible models to explain their production mechanism - the thermal model and the coalescence model. The thermal model suggests that the light…

Nuclear Experiment · Physics 2023-07-25 Rishabh Sharma

The production of light anti- and hyper-nuclei provides unique observables to characterise the system created in high energy proton-proton (pp), proton-nucleus (pA) and nucleus-nucleus (AA) collisions. In particular, nuclei and hyper-nuclei…

High Energy Physics - Phenomenology · Physics 2019-07-26 Francesca Bellini , Alexander P. Kalweit

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

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

Using the coalescence model based on the phase-space distributions of protons, neutrons, Lambdas and their antiparticles from a multiphase transport (AMPT) model, we study the production of deuteron, triton, helium 3, hypertriton,…

Nuclear Theory · Physics 2016-01-20 Lilin Zhu , Che Ming Ko , Xuejiao Yin

The fundamental description of both structural properties and reactions of light nuclei in terms of constituent protons and neutrons interacting through nucleon-nucleon and three-nucleon forces is a long-sought goal of nuclear theory. I…

A simple coalescence model based on the same diagrammatic approach of antimatter production in hadronic collisions as used previously for antideuterons is used here for the hadroproduction of mass 3 antinuclei. It is shown that the model is…

Nuclear Theory · Physics 2009-11-10 R. P. Duperray , K. V. Protasov , L. Derome , M. Buenerd

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
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