The Purely Leptonic Decays D+ -> mu+ nu and Ds+-> lepton+ nu at CLEO
| dc.creator | Stone, Sheldon | |
| dc.date | 2008-06-24 | |
| dc.date.accessioned | 2026-07-07T09:46:25Z | |
| dc.date.available | 2026-07-07T09:46:25Z | |
| dc.description | We update our previous results by increasing the luminosity, the efficiency, and for the Ds+ the number of tags. We determine f{D+}=(205.8 +/- 8.5 +/- 2.5) MeV, and an interim preliminary value of f{Ds+}=(267.9 +/- 8.2 +/- 3.9) MeV, where both results are radiatively corrected. We agree with the recent most precise unquenched Lattice-QCD calculation for the D+, but are in disagreement for the Ds+. Several consequences are discussed, including the possibility of physics beyond the Standard Model. | |
| dc.description | 4 pages, 6 figures, to appear in Proceedings of Flavor Physics and CP Violation 2008 (FPCP 2008), and Rencontres de Moriond QCD and High Energy Interactions (2008) | |
| dc.identifier | https://arxiv.org/abs/0806.3921 | |
| dc.identifier | http://arxiv.org/abs/0806.3921 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/163523 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.subject | High Energy Physics - Lattice | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | The Purely Leptonic Decays D+ -> mu+ nu and Ds+-> lepton+ nu at CLEO | |
| dc.type | text |