Abstract

The geometrical characters of quark and gluon jets are carefully studied with the HBT correlation method using Monte Carlo generator produced e + e - collision events at [Formula: see text]. It turns out that the size of the jets can be measured by the HBT correlation method with the indistinguishability of identical final state pions. The size of quark jets and gluon jets are independent of the flavor of initial quarks that produced these jets but they are dependent on their energy. The average radius of quark and gluon jets in three-jet events of e + e - collisions at [Formula: see text] are obtained at the end of parton evolvement.

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