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Study of the decay mode D0 ---> K- K- K+ pi+

Journal Article · · Phys.Lett.B
Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement of the branching ratio for the Cabibbo-favored decay mode $$D^0 \to K^-K^-K^+\pi^+$$. From a sample of $$143 \pm 19$$ fully reconstructed $$D^0 \to K^-K^-K^+\pi^+$$ events, we measure $$\Gamma(D^0 \to K^-K^-K^+\pi^+)/\Gamma(D^0 \to K^-\pi^-\pi^+\pi^+) = 0.00257 \pm 0.00034(stat.) \pm 0.00024(syst.)$$. A coherent amplitude analysis has been performed to determine the resonant substructure of this decay mode. This analysis reveals a dominant contribution from $$\phi$$ and $$\bar K^{*0}(890)$$ states.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Organization:
FOCUS
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1893500
Report Number(s):
FERMILAB-PUB-03-237-E; arXiv:hep-ex/0308054; oai:inspirehep.net:626320
Journal Information:
Phys.Lett.B, Journal Name: Phys.Lett.B Vol. 575
Country of Publication:
United States
Language:
English

References (11)

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journal September 1992
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Analysis of two-body decays of charm mesons using the quark-diagram scheme journal July 1987

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS