Abstract
In this paper the KTeV collaboration reports the analysis of candidate decays including a background of events with the objective of determining the photon production mechanisms intrinsic to the decay process. These decays have been analyzed to extract the relative contributions of the violating bremsstrahlung process and the conserving M1 and violating E1 direct photon emission processes. The M1 direct photon emission amplitude and its associated vector form factor parameterized as have been measured to be and respectively. An upper limit for the violating E1 direct emission amplitude (90%CL) has been found. The overall ratio of direct photon emission (DE) to total photon emission including the bremsstrahlung process (IB) has been determined to be for .
- Received 17 March 2006
- Corrected 9 August 2006
DOI:https://doi.org/10.1103/PhysRevD.74.032004
©2006 American Physical Society
Corrections
9 August 2006