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Published May 1, 2000 | public
Journal Article Open

Effect of the source charge on charged-boson interferometry


We investigate quantal perturbations of the interferometric correlations of charged bosons by the Coulomb field of an instantaneous, charged source. The source charge increases the apparent source size by weakening the correlation at nonzero relative momenta. The effect is strongest for pairs with a small total momentum and is stronger for kaons than for pions of the same momenta. The low-energy data currently available are well described by this effect. A simple expression is proposed to account for the effect.

Additional Information

©2000 The American Physical Society. Received 8 July 1999; published 5 April 2000. This work was supported by the National Science Foundation grant at Caltech (Grants No. PHY-9412818 and PHY-9420470), and by the U. S. Department of Energy grant at CSUN (Grant No. DE-FG03-87ER40347).


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