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

preprint2015arXivOpen access

Abstract

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

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