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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544858.0, MPI für Physik / MPI für Physik
$\Lambda$ and $\bar{\Lambda}$ Production in Central Pb-Pb Collisions at 40, 80, and 158 A$\cdot$GeV
Authors:The NA49 Collaboration; Anticic, T.; Eckardt, V.; Schmitz, N.; Seyboth, P.; et al.
Date of Publication (YYYY-MM-DD):2004
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys.Rev.Lett.
Issue / Number:93
Start Page:022302
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Production of Lambda and Antilambda hyperons was measured in central Pb-Pb collisions at 40, 80, and 158 A$\cdot$GeV beam energy on a fixed target. Transverse mass spectra and rapidity distributions are given for all three energies. The $\Lambda/\pi$ ratio at mid-rapidity and in full phase space shows a pronounced maximum between the highest AGS and 40 A$\cdot$GeV SPS energies, whereas the $\bar{\Lambda}/\pi$ ratio exhibits a monotonic increase.
Classification / Thesaurus:NA49
Comment of the Author/Creator:5 pages, 7 figures, 1 table
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2004-225
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/nucl-ex/0311024
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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