K(S)0K(S)0 correlations have been studied in a sample of 717 511 hadro
nic events collected by the DELPHI detector at LEP during 1992. An enh
ancement is found in the production of pairs of K(S)0 of similar momen
ta, as compared with a Monte Carlo simulated reference sample. The mea
sured values for the strength of the correlation and the radius of the
emitting source of kaons are lambda = 1.13 +/- 0.54 (stat) +/- 0.23 (
syst) and r = 0.90 +/- 0.19 (stat) +/- 0.10 (syst) fm. This enhancemen
t is consistent with the hypothesis that K(S)0K(S)0 pairs display an e
nhancement, regardless of whether they come from a K0K0BAR or from a K
0K0 (K0K0BAR) system.