New measurements of the D0 and D+ lifetimes

Details New measurements of the D0 and D+ lifetimes New measurements of the D0 and D+ lifetimes

2002-03-27

arxiv.org/abs/hep-ex/0203037v2

Phys.Lett.B537:192-200,2002

Physics

High Energy Physics

High Energy Physics - Experiment

16 pages, 6 figures, update version accepted by Phys.Lett.B

Scientific paper

A high statistics sample of photoproduced charm particles from the
FOCUS(E831) experiment at Fermilab has been used to measure the D0 and D+
lifetimes. Using about 210000 D0 and 110000 D+ events we obtained the following
values: 409.6 +/- 1.1 (statistical) +/- 1.5 (systematic) fs for D0 and 1039.4
+/- 4.3 (statistical) +/- 7.0 (systematic) fs for D+.

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