{ital K}{sub {ital L}}{r_arrow}{pi}{sup +}{pi}{sup {minus}}{ital e}{sup +}{ital e}{sup {minus}}
- California Institute of Technology, Pasadena, California 91125 (United States)
- Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 (United States)
We calculate all of the form factors for the one-photon, {ital K}{sub {ital L}}{r_arrow}{pi}{sup +}{pi}{sup {minus}}{gamma}{sup *}{r_arrow}{pi}{sup +}{pi}{sup {minus}}{ital e}{sup +}{ital e}{sup {minus}} contribution to the {ital K}{sub {ital L}}{r_arrow}{pi}{sup +}{pi}{sup {minus}}{ital e}{sup +}{ital e}{sup {minus}} decay amplitude at leading order in chiral perturbation theory. These form factors depend on one unknown constant that is a linear combination of coefficients of local {ital O}({ital p}{sup 4}) operators in the chiral Lagrangian for weak radiative kaon decay. We determine the differential rate for {ital K}{sub {ital L}}{r_arrow}{pi}{sup +}{pi}{sup {minus}}{ital e}{sup +}{ital e}{sup {minus}} and also the magnitude of two {ital CP}-violating observables.
- Research Organization:
- Carnegie-Mellon University
- DOE Contract Number:
- FG02-91ER40682; FG03-92ER40701
- OSTI ID:
- 118548
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 9 Vol. 52; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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