Lambda production in central Pb+Pb collisions at CERN-SPS energies

  • In this paper we present recent results from the NA49 experiment for Lambda and Lambda hyperons produced in central Pb+Pb collisions at 40, 80 and 158 A GeV. Transverse mass spectra and rapidity distributions for Lambda are shown for all three energies. The shape of the rapidity distribution becomes flatter with increasing beam energy. The multiplicities at mid-rapidity as well as the total yields are studied as a function of collision energy including AGS measurements. The ratio Lambda/pi at mid-rapidity and in 4 pi has a maximum around 40 A GeV. In addition, Lambda rapidity distributions have been measured at 40 and 80 A GeV, which allows to study the Lambda Lambda ratio.
  • s.a. "Lambda production in Pb+Pb at 40 A GeV" von A. Mischke

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Author:André MischkeORCiD, NA49 Collaboration
Document Type:Preprint
Date of Publication (online):2005/08/11
Year of first Publication:2002
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/08/11
Source:J.Phys. G28 (2002) 1761-1768 ,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht