Strangeness production in the new version of the Liège intranuclear cascade model

J. Hirtz, J.-C. David, A. Boudard, J. Cugnon, S. Leray, I. Leya, J. L. Rodríguez-Sánchez, and G. Schnabel
Phys. Rev. C 101, 014608 – Published 13 January 2020

Abstract

The capabilities of the new version of the Liège intranuclear cascade model (labeled INCL++6 from now on) are presented in detail. This new version of INCL is able to handle strange particles, such as kaons and the Λ and Σ hyperons, and the associated reactions and also allows extending nucleon-nucleon collisions up to about 1520 GeV incident energy. Compared to the previous version, new observables can be studied, e.g., kaon, hyperon, and hypernuclei production cross sections (with the use of a suitable de-excitation code) as well as aspects of kaon-induced spallation reactions. The main purpose of this paper is to present the specific ingredients of the new INCL version and its new features, notably the newly implemented variance reduction scheme. We also compare, for some illustrative strangeness production cases, theoretical results calculated using this version of INCL with experimental data.

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  • Received 2 October 2019

DOI:https://doi.org/10.1103/PhysRevC.101.014608

©2020 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

J. Hirtz1,2, J.-C. David1, A. Boudard1, J. Cugnon3, S. Leray1, I. Leya2, J. L. Rodríguez-Sánchez1,4,5, and G. Schnabel1

  • 1IRFU, CEA, Université Paris-Saclay, F-91191, Gif-sur-Yvette, France
  • 2Space Research and Planetary Sciences, Physics Institute, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
  • 3AGO department, University of Liège, allée du 6 août 17, bât. B5, B-4000 Liège 1, Belgium
  • 4Universidad de Santiago de Compostela, E-15782 Santiago de Compostela, Spain
  • 5GSI-Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany

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Vol. 101, Iss. 1 — January 2020

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