Abstract
Proton and Deuteron transverse mass spectra have been measured by the experiment NA44 at CERN. Preliminary results from 158A· GeV PbPb collisions are presented and compared to 200A· GeV SS and SPb collisions measured in the same experiment. The inverse slope parameter increases with system size and with particle mass providing evidence of flow. Ratios of proton and deuteron rapidity densities are compared for the different systems. In the framework of a coalescence model a radius parameter R can be extracted. R decreases with transverse mass, supporting the hypothesis of radial flow.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Similar content being viewed by others
References
N. Maeda et al., A Cherenkov beam counter for ultra-relativistic heavy-ion experiments, NIM A 346 132:136 (1994).
H. Sorge et al., Colour rope formation and strange baryon production in ultrarelativistic heavy ion collisions, Phys. Lett. B289 6:11 (1992).
P. Foca, Strange particle production in S-nucleus collisions at 200 GeV /Nucleon, in: “Strangeness in Hadronic Matter, AIP Conference Proceedings 340,” J. Rafelski, ed., AIP, Tucson (1995).
D. E. Greiner et al., Strangeness Production as a function of centrality, in: “Strangeness in Hadronic Matter, AIP Conference Proceedings 340,” J. Rafelski, ed., AIP, Tucson (1995).
E. Schnedermann et al., Thermal phenomenology of hadrons from 200A GeV S+S collisions, Phys. Rev. C 48 2462:2475 (1993).
I.G. Bearden et al., Collective expansion in high energy heavy ion collisions, Phys. Rev. Lett. accepted for publication.
A. Capella, Baryon stopping and strange baryon enhancement in heavy ion collisions, Nucl. Phys. A 610 132c:138c (1996).
H. Boggild et al., Coulomb effect in single particle distributions, Phys. Lett. B372 339:342 (1996).
I.G. Bearden et al., Mid-rapidity protons in 158A GeV Pb+Pb collisions, Phys. Lett. B388 431–436 (1996).
S. V. Afanasiev et al., Hadron yields and hadron spectra from the NA49 Experiment, Nucl. Phys. A 610 188c:199c (1996).
S. Pratt, private communications.
T. Csörgő, B. Lörstad, Bose-Einstein correlations for expanding finite systems, Nucl. Phys. A 590 465c (1995).
Y. M. Sinyukov, Spectra and correlations in locally equilibrium hadron and quark-gluon systems, Nucl. Phys. A 566 589c (1994).
H. Becker et al., m t dependence of boson interferometry in heavy ion collisions at the CERN SPS, Phys. Rev. Lett. 74(17) 3340:3343 (1995).
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1997 Springer Science+Business Media New York
About this chapter
Cite this chapter
Holzer, E.B. (1997). Baryon Production in High Energy PB-PB Collisions - Recent Results from NA44. In: Bauer, W., Mignerey, A. (eds) Advances in Nuclear Dynamics 3. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4905-5_13
Download citation
DOI: https://doi.org/10.1007/978-1-4615-4905-5_13
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-7224-0
Online ISBN: 978-1-4615-4905-5
eBook Packages: Springer Book Archive