Yao Ming (for STAR Collaboration) 2008 J. Phys. G: Nucl. Part. Phys. 35 044071 doi:10.1088/0954-3899/35/4/044071
High-pT kaon spectra from Au+Au collisions at 
GeV at RHIC
Yao Ming (for STAR Collaboration)
Show affiliationsThe time-of-flight detector, based on MRPC technology, has greatly enhanced particle identification capability in STAR. We have developed a new method on particle identification by combining dE/dx measured by the TPC and velocity information from the TOF. Using this method, for the first time, the charged kaon transverse momentum spectra measurements are extended up to pT~ 5 GeV/c at mid-rapidity for Au+Au collisions at 
GeV. We also present the K/π ratios as a function of transverse momentum and the implications of the results are discussed. Comparisons with the corresponding results from Au+Au collisions at 
GeV are also presented.
- PACS
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25.75.Dw Particle and resonance production
14.40.Aq pi, K, and eta mesons
27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
- Subjects
- Dates
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Issue 4 (April 2008)
Received 30 September 2007
Published 17 March 2008
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High-pT kaon spectra from Au+Au collisions at GeV at RHIC
Yao Ming (for STAR Collaboration) 2008 J. Phys. G: Nucl. Part. Phys. 35 044071
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