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Related papers: Observation of an Antimatter Hypernucleus

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We present a systematic study of production of strange and non-strange hadron yields and their ratios obtained in various experiments using our thermodynamically consistent excluded-volume model. We also analyze the production of light…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. K. Tiwari , C. P. Singh

The discovery of a single anti-helium nucleus in the cosmic ray flux would definitely point toward the existence of stars and even of entire galaxies made of anti-matter. The presence of anti-nuclei in cosmic rays has actually profound…

Astrophysics · Physics 2010-11-30 Pascal Chardonnet , Jean Orloff , Pierre Salati

In this article, we present a brief review of the discoveries of kinds of antimatter particles, including positron, antiproton, antideuteron and antihelium-3. Special emphasis is put on the discovery of the antihypertriton and antihelium-4…

Nuclear Experiment · Physics 2013-01-22 Y. G. Ma , J. H. Chen , L. Xue

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…

High Energy Physics - Phenomenology · Physics 2022-06-29 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

Hypernuclei are bound states of nuclei with one or more hyperons. Precise measurements of hypernuclei properties and their production yields in heavy ion collisions are crucial for the understanding of their production mechanisms. The…

Nuclear Experiment · Physics 2026-05-05 Yuanjing Ji

We analyze the experimental data on nuclei and hypernuclei yields recently obtained by the STAR collaboration. The hybrid dynamical and statistical approaches which have been developed previously are able to describe the experimental data…

Nuclear Theory · Physics 2023-11-21 N. Buyukcizmeci , T. Reichert , A. S. Botvina , M. Bleicher

In this chapter, we provide an overview of the physics of colliding black holes and neutron stars and of the impact of neutrinos on these systems. Observations of colliding neutron stars play an important role in nuclear astrophysics today.…

High Energy Astrophysical Phenomena · Physics 2026-03-03 Francois Foucart

Strange particles and hyperfragments in collisions of antiprotons and protons on nuclei have been investigated systematically within a microscopic transport model. The hyperons are produced from the annihilation in antibaryon-baryon…

Nuclear Theory · Physics 2020-06-04 Zhao-Qing Feng

Loosely-bound objects such as light nuclei are copiously produced in proton-proton and nuclear collisions at the Large Hadron Collider (LHC), despite the fact that typical energy scales in such collisions exceed the binding energy of the…

Nuclear Experiment · Physics 2019-05-22 Peter Braun-Munzinger , Benjamin Dönigus

The yields of hadrons and light nuclei in relativistic collisions of heavy-nuclei at a center of mass energy of 2.6 TeV can be described remarkably well by a thermal distribution of an ideal gas of hadrons and light nuclei interacting only…

Nuclear Theory · Physics 2024-10-11 Thomas Cohen , Maneesha Pradeep

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

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

Heavy neutrino-antineutrino oscillations can naturally appear in mechanisms of low scale neutrino mass generation, where pairs of heavy neutrinos have almost degenerate masses. We discuss the case where the heavy neutrinos are sufficiently…

High Energy Physics - Phenomenology · Physics 2019-03-13 Stefan Antusch , Eros Cazzato , Oliver Fischer

Light antinuclei may be formed in relativistic heavy ion collisions via final state coalescence of antinucleons. The yields of antinuclei are sensitive to primordial antinucleon production, the volume of the system at kinetic freeze-out,…

Nuclear Experiment · Physics 2014-11-18 D. Hardtke , STAR Collaboration

In peripheral collisions of relativistic heavy ions highly excited spectators containing Lambda-hyperons can be produced. Such strange spectator matter may undergo a break-up into many fragments (multifragmentation) as it is well…

Nuclear Theory · Physics 2008-11-26 A. S. Botvina , J. Pochodzalla

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

We present first results on the production of nuclei and antinuclei such as (anti)deuterons, (anti)tritons, (anti)3He and (anti)4He in pp collisions at $\s$ = 7 TeV and Pb-Pb collisions at $\sNN$ = 2.76 TeV. These particles are identified…

Nuclear Experiment · Physics 2019-08-13 N. Sharma

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…

High Energy Physics - Phenomenology · Physics 2019-06-05 Francesca Bellini , Alexander Philipp Kalweit

We introduce a new formulation of the diquark breaking mechanism which describes with no free parameters the huge nuclear stopping observed in central nucleus-nucleus collisions. Supplemented, in the dual parton model, with strings…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Capella , E. G. Ferreiro , C. A. Salgado

In relativistic ion collisions there are excellent opportunities to produce and investigate hyper-nuclei. We have systematically studied the formation of hypernuclear spectator residues in peripheral heavy-ion collisions with the transport…

Nuclear Theory · Physics 2017-02-01 A. S. Botvina , K. K. Gudima , J. Steinheimer , M. Bleicher , J. Pochodzalla