FOCUS Document 875-v1

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Measurements of the $D^0$ and $D^+$ lifetimes

Document #:
FOCUS-doc-875-v1
Document type:
Publication
Submitted by:
Eduardo Luiggi
Updated by:
Eduardo Luiggi
Document Created:
20 Jun 2002, 14:20
Contents Revised:
20 Jun 2002, 14:20
Metadata Revised:
20 Jun 2002, 16:00
Actually Revised:
25 Aug 2005, 16:05
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Abstract:
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 220000 D0 and 110000 D+ candidates
we obtained the following values: 409.6 +/- 1.0 (statistical)
+/- 1.7 (systematic) fs for D0 and
1042.7 +/- 4.0 (statistical) +/- 4.0 (systematic) fs for D+.
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Journal References:
Published in Phys. Lett. B vol. 537 pg. 192.
Published in hep-ex/0203037.
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