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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 716324.0, MPI für Physik / YB 2016
Critical Fluctuations of the Proton Density in A+A Collisions at 158A GeV
Authors:NA49 Collaboration; Anticic, T.; Schmitz, N.; Seyboth, P.; et al.
Date of Publication (YYYY-MM-DD):2015
Title of Journal:European Physical Journal C
Journal Abbrev.:Eur.Phys.J.C
Issue / Number:75
Start Page:587
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We look for fluctuations expected for the QCD critical point using an intermittency analysis in the transverse momentum phase space of protons produced around midrapidity in the 12.5\\% most central C+C, Si+Si and Pb+Pb collisions at the maximum SPS energy of 158$A$~GeV. We find evidence of power-law fluctuations for the Si+Si data. The fitted power-law exponent phi_{2} = 0.96^{+0.38}_{-0.25} (stat.) pm 0.16 (syst.) is consistent with the value expected for critical fluctuations. Power-law fluctuations had previously also been observed in low-mass pi^+ pi^- pairs in the same Si+Si collisions.
Classification / Thesaurus:NA49
Comment of the Author/Creator:16 pages, 7 figures
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2015-364
URL:http://inspirehep.net/search?p=find+eprint+1208.52...
URL:http://arXiv.org/abs/arxiv:1208.5292
URL:https://publications.mppmu.mpg.de/?action=search&m...
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