Measurement of the q2 dependence of the Hadronic Form Factor in D0 --> K- e+ nu_e decays

Preprint

27 July 2006

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ex/0607077

Abstract

We present a preliminary measurement of the q2 dependence of the D0 --> K- e+ nu_e decay rate. This rate is proportional to the hadronic form factor squared, specified by a single parameter. This is either the mass in the simple pole ansatz m_pole = (1.854 +- 0.016 +- 0.020) GeV/c2 or the scale in the modified pole ansatz alpha_pole = 0.43 +- 0.03 +- 0.04. The first error refers to the statistical, the second to the systematic uncertainty.

Keywords

HADRONIC FORM FACTOR
Q2 DEPENDENCE
STATISTICAL
UNCERTAINTY
NU_E

All Related Versions

Version 1, 2006-07-27, ArXiv
Published version: Physical Review D, 76 (5), 052005.

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