Model Independent Measurement of Form Factors in the Decay D^+ --> K^- pi^+ e^+ nu_e

Details Model Independent Measurement of Form Factors in the Decay D^+ --> K^- pi^+ e^+ nu_e Model Independent Measurement of Form Factors in the Decay D^+ --> K^- pi^+ e^+ nu_e

2006-06-02

arxiv.org/abs/hep-ex/0606010v3

Phys.Rev.D74:052001,2006

Physics

High Energy Physics

High Energy Physics - Experiment

13 pages postscript,also available through http://www.lns.cornell.edu/public/CLNS/2006/

Scientific paper

10.1103/PhysRevD.74.052001

We present model independent measurements of the helicity basis form factors in the decay D+ -> K- pi+ e+ nu_e obtained from about 2800 decays reconstructed from a 281 pb^{-1} data sample collected at the psi(3770) center-of-mass energy with the CLEO-c detector. We confirm the existence of a previously observed spin-zero K- pi+ component interfering with the K*0bar amplitude. We see no evidence for additional d- or f-wave contributions.

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