Title

Form factor ratio measurement in c+e+e

Document Type

Article

Publication Date

1-1-1995

Abstract

The angular distributions of the decay c+e+e have been studied using the CLEO II detector. By performing a three-dimensional maximum likelihood fit, the form factor ratio R=f2/f1 is determined to be -0.250.140.08. The decay asymmetry parameter of the c averaged over q2 is calculated to be c=-0.82-0.06-0.03+0. 09+0.06. © 1995 The American Physical Society.

Publication Name

Physical Review Letters

Volume Number

75

First Page

624

Last Page

628

Issue Number

4

DOI

10.1103/PhysRevLett.75.624

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