FOCUS Document 736-v1

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A study of the decay D0 -> K+ pi-

Document #:
FOCUS-doc-736-v1
Document type:
Publication
Submitted by:
Jonathan A. Pellish
Updated by:
Jonathan A. Pellish
Document Created:
20 Dec 2000, 00:00
Contents Revised:
20 Dec 2000, 00:00
Metadata Revised:
02 Apr 2001, 11:25
Actually Revised:
25 Aug 2005, 11:26
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Abstract:
Using a large sample of photoproduced charm mesons from the FOCUS experiment at Fermilab (FNAL-E831), we observe the decay D0 -> K+ pi- with a signal yield of 149 +/- 31 events compared to a similarly cut sample consisting of 36760 +/- 195 D0 -> K- pi+ events. We use the observed ratio of D0 -> K+ pi- to D0 -> K- pi+ (0.404 +/- 0.085 +/- 0.025)% to obtain a relationship between the D0 mixing and doubly Cabibbo suppressed decay parameters.
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Published in Phys. Rev. Lett. vol. 86 pg. 2955.
Published in hep-ex/0012048.
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