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Charged and neutral kaon correlations in Au–Au collisions at \sqrt{s_{\it NN}} = 200 GeV using the solenoidal tracker at RHIC (STAR)

Selemon Bekele (for the STAR Collaboration)

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Two boson intensity interferometry (also known as Hanbury-Brown–Twiss, or HBT (Brown R Hanbury and Twiss R Q 1956 Nature 178 1046)) offers information on the spacetime structure of the particle-emitting source created in heavy-ion collisions. Kaon HBT has been suggested as a promising probe of quark–gluon plasma and reveals strangeness dynamics. Small contributions from resonance decays make kaon HBT an ideal tool for correlation studies. In conjunction with pion correlation measurements, they can also reveal properties of collective dynamics in heavy-ion collisions. We present preliminary results on neutral and charged kaon correlations in \sqrt{s_{\it NN}}=200 GeV Au–Au collisions measured by the STAR Collaboration at the relativistic heavy ion collider.


PACS

25.75.Gz Particle correlations and fluctuations

14.40.Aq pi, K, and eta mesons

27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219

21.65.-f Nuclear matter

25.75.Nq Quark deconfinement, quark–gluon plasma production, and phase transitions

Subjects

Nuclear physics

Particle physics and field theory

Dates

Issue 1 (January 2004)

Received 27 May 2003

Published 11 December 2003



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