The transverse momentum dependence of charged kaon Bose-Einstein correlations in the SELEX experiment

Abstract

We report on the measurement of the one-dimensional charged kaon correlation functions using 600~GeV/{\it c} ${\Sigma }^{-}$, ${\pi }^{-}$ and 540~GeV/{\it c} $p$ beams from the SELEX~(E781) experiment at the Fermilab Tevatron. $K^{\pm }{K}^{\pm }$ correlation functions are studied for three transverse pair momentum, $k_T$, ranges and parameterized by a Gaussian form. The emission source radii, $R$, and the correlation strength, $\lambda$, are extracted. The analysis shows a decrease of the source radii with increasing kaon transverse pair momentum for all beam types.

8 pages, 4 figures, 1 table

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