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Related papers: Production and Interactions of Hyperons and Hypern…

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Antiproton annihilations on nuclei provide a very interesting way to study the behaviour of strange particles in the nuclear medium. In low energy $\bar p$ annihilations, the hyperons are produced mostly by strangeness exchange mechanisms.…

Nuclear Theory · Physics 2015-06-04 A. B. Larionov , T. Gaitanos , U. Mosel

Formation mechanism of hyperfragments with strangeness s=-1 and s=-2 in collisions of antikaons on nuclei has been investigated within a microscopic transport model. Dynamics of pseudoscalar mesons and hyperons is modeled within the…

Nuclear Theory · Physics 2020-02-19 Zhao-Qing Feng

Within the microscopic transport, systematic investigation of the many facets of hyperons and hypernuclei up to strangeness $S = -2$ are carried out for $^{197}$Au + $^{197}$Au and $^{40}$Ca + $^{40}$Ca at the incident energy of $3A$ GeV.…

Nuclear Theory · Physics 2022-06-28 Hui-Gan Cheng , Zhao-Qing Feng

This talk is devoted to review the field of strangeness production in (ultra-)relativistic heavy ion collisions within our present theoretical understanding. Historically there have been (at least) three major ideas for the interest in the…

Nuclear Theory · Physics 2008-11-26 Carsten Greiner

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

We study the strangeness production in antiproton-nucleus collisions at the beam momenta from 200 MeV/c to 15 GeV/c within the Giessen Botzmann-Uehling-Uhlenbeck (GiBUU) transport model. The GiBUU model contains a very detailed description…

Nuclear Theory · Physics 2013-05-30 A. B. Larionov , T. Gaitanos , U. Mosel

Reaction dynamics in collisions of antiprotons on nuclei is investigated within the Lanzhou quantum molecular dynamics model. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions of antiprotons…

Nuclear Theory · Physics 2015-05-21 Zhao-Qing Feng

The results of the microscopic transport calculations of $\bar p$-nucleus interactions within a GiBUU model are presented. The dominating mechanism of hyperon production is the strangeness exchange processes $\bar K N \to Y \pi$ and $\bar K…

Nuclear Theory · Physics 2017-08-23 A. B. Larionov , T. Gaitanos , H. Lenske , U. Mosel

The relativistic nucleus-nucleus collisions can produce hypernuclei and low-temperature hyper-matter as a result of hyperon capture by nuclear residues and free nucleons. We use the transport, coalescence and statistical models to describe…

Nuclear Theory · Physics 2019-11-13 Alexander Botvina , Marcus Bleicher , Nihal Buyukcizmeci

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

The quantum molecular dynamics model has been improved to investigate the reaction dynamics induced by antiprotons. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions have been included in…

Nuclear Theory · Physics 2015-06-19 Zhao-Qing Feng , Horst Lenske

We study the production of $\Lambda$ hyperons in $p + A$ reactions on the basis of a BUU transport approach from 1.1 to 1.9 GeV and evaluate the properties of the hypernuclei produced in particular with respect to their momentum…

Nuclear Theory · Physics 2007-05-23 W. Cassing , Z. Rudy , L. Jarczyk , B. Kamys , P. Kulessa , O. W. B. Schult , A. Sibirtsev , A. Strzałkowski

Rapidity distributions of net hyperons ($\Lambda - \overline{\Lambda}$) are compared to distributions of participant protons ($p - \overline{p}$). Strangeness production (mean multiplicities of produced $\Lambda/\Sigma^0$ hyperons and…

High Energy Physics - Experiment · Physics 2007-05-23 Dieter Roehrich , NA35 Collaboration

In these proceedings, an overview of recent hypernuclei measurements in heavy ion collisions is presented. These results include the lifetime, $\Lambda$ binding energy, production yield, and directed flow in heavy ion collisions. These…

Nuclear Experiment · Physics 2022-04-05 Yue Hang Leung

Within a combined approach we investigate the main features of the production of hyper-fragments in relativistic heavy-ion collisions. The formation of hyperons is modelled within the UrQMD and HSD transport codes. To describe the hyperon…

Nuclear Theory · Physics 2015-06-23 A. S. Botvina , J. Steinheimer , E. Bratkovskaya , M. Bleicher , J. Pochodzalla

We review the present activities related to hypernuclear production in hadronic in-medium reactions at intermediate energies. The status of theoretical predictions and experimental evidences for the in-medium formation of bound superstrange…

Nuclear Theory · Physics 2016-11-28 T. Gaitanos

The interaction between hyperons and nucleons has a wide range of applications in strangeness nuclear physics and is a topic of continuing great interest. These interactions are not only important for hyperon-nucleon scattering but also…

The production and structure of Λ hypernuclei are investigated in field theoretical models. The production in coherent p+A reactions is investigated by means of a resonance model. Results of exploratory calculations for associated…

Nuclear Theory · Physics 2009-11-10 H. Lenske , C. Keil , R. Shyam

The exclusive production of hyperon-antihyperon pairs close to their production threshold in antiproton - nucleus collisions offers a unique and hitherto unexplored opportunity to elucidate the behaviour of antihyperons in nuclei. For the…

Nuclear Theory · Physics 2015-09-30 Alicia Sanchez Lorente , Sebastian Bleser , Marcell Steinen , Josef Pochodzalla

The production of antiprotons in proton-nucleus and nucleus-nucleus reactions is calculated within the relativistic BUU approach employing proper selfenergies for the baryons and antiprotons and treating the p-bar annihilation…

Nuclear Theory · Physics 2009-10-22 Stefan Teis , Wolfgang Cassing , Tomoyuki Maruyama , Ulrich Mosel
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