Measurement OF Ds+ -> l+ nu and the Decay Constant fDs

2006/10/09 by Sheldon Stone, Stone, Sheldon
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ex/0610026

4 pages, 4 figures, to be published in Proceedings of XXXIII International Conference on High Energy Physics, Moscow, Russia, July 2006

arxiv created 2006/10/22 · arxiv updated 2009/12/01

Abstract

I report preliminary CLEO-c results on purely leptonic decays of the Ds using 195/pb of data at 4.170 GeV. We measure fDs = 280.1 +/- 11.6 +/- 6.0 MeV, and fDs/fD+ = 1.26 +/- 0.11 +/- 0.03.

Related

• Measurements of D and Ds decay constants at CLEO
• Measurement of Ds+ to mu+ nu and the Decay constant f_Ds
• The Purely Leptonic Decays D+ -> mu+ nu and Ds+-> lepton+ nu at CLEO
• Experimental Status of Leptonic Ds Decays
• D+ to mu+nu and fD+ from 281 pb-1 at Psi(3770) from CLEO-c