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

2016    Nigmatkulov, G. A.; Ponosovi, A. K.; Akgun, U.; Alkhazov, G.; Amaro-Reyes, J.; Asratyan, A.; Atamantchouk, A. G.; Ayan, A. S.; Balatz, M. Y.; Blanco-Covarrubias, A.; Bondar, N. F.; Cooper, P. S.; Dauwe, L. J.; Davidenko, G. V.; Dersch, U.; Dolgolenko, A. G.; Dzyubenko, G. B.; Edelstein, R.; Emediato, L.; Endler, A. M. F.; Endler, A. M. F.

We report the measurement of the one-dimensional charged kaon correlation functions using 600 GeV/c Sigma(-), pi(-) and 540 GeV/c p beams from the SELEX (E781) experiment at the Fermilab Tevatron. (KK +/-)-K-+/- 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. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).