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



ID: 543753.0, MPI für Physik / MPI für Physik
Forward Lambda Production and Nuclear Stopping Power in d + Au Collisions at sqrt(s_NN) = 200 GeV
Authors:STAR Collaboration; Abelev, B.; Eckardt, V.; Schmitz, N.; Seyboth, P.; et al.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Physical Review C
Journal Abbrev.:Phys.Rev.C
Issue / Number:76
Start Page:064904
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We report the measurement of Lamda and Anti-Lamda yields and inverse slope parameters in d + Au collisions at sqrt(s_NN) = 200 GeV at forward and backward rapidities (y = +- 2.75), using data from the STAR forward time projection chambers. The contributions of different processes to baryon transport and particle production are probed exploiting the inherent asymmetry of the d + Au system. Comparisons to model calculations show that the baryon transport on the deuteron side is consistent with multiple collisions of the deuteron nucleons with gold participants. On the gold side HIJING based models do not describe the measured particle yields while models with initial state nuclear effects and/or hadronic rescattering do. The multichain model can provide a good description of the net baryon density in d + Au collisions at energies available at the BNL Relativistic Heavy Ion Collider, and the derived parameters of the model agree with those from nuclear collisions at lower energies.
Classification / Thesaurus:STAR
Comment of the Author/Creator:11 pages, 7 figures, 3 tables, published in Physical Review C, v2: updated text and figures
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2007-250
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/arxiv:0706.0472
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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