Strange and multistrange particle production in Au + Au collisions at [sqrt]sNN=62.4 GeV

Strange and multistrange particle production in Au + Au collisions at [sqrt]sNN=62.4 GeV

We present results on strange and multistrange particle production in Au + Au collisions at [sqrt]sNN=62.4 GeV as measured with the STAR detector at RHIC. Midrapidity transverse momentum spectra and integrated yields of KS0, Lambda, Xi, and Omega and their antiparticles are presented for different c...

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Bibliographic Details
Main Authors: Betancourt, Michael Joseph, Corliss, Ross Cameron, Hays-Wehle, James Prewitt, Leight, William Axel, Sakuma, Tai, Seele, Joseph Patrick, Surrow, Bernd, Balewski, Jan T., Milner, Richard G, Redwine, Robert P, Steadman, Stephen G, van Nieuwenhuizen, Gerrit J, Walker, Matthew H
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: American Physical Society 2011
Online Access:http://hdl.handle.net/1721.1/66109
https://orcid.org/0000-0002-5515-4563
https://orcid.org/0000-0001-5839-707X
https://orcid.org/0000-0002-0031-1963
https://orcid.org/0000-0002-9107-6312
Description
Summary:We present results on strange and multistrange particle production in Au + Au collisions at [sqrt]sNN=62.4 GeV as measured with the STAR detector at RHIC. Midrapidity transverse momentum spectra and integrated yields of KS0, Lambda, Xi, and Omega and their antiparticles are presented for different centrality classes. The particle yields and ratios follow a smooth energy dependence. Chemical freeze-out parameters, temperature, baryon chemical potential, and strangeness saturation factor obtained from the particle yields are presented. Intermediate transverse momentum (pT) phenomena are discussed based on the ratio of the measured baryon-to-meson spectra and nuclear modification factor. The centrality dependence of various measurements presented show a similar behavior as seen in Au + Au collisions at [sqrt]sNN=200 GeV.

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