New measurements of cabibbo-suppressed decays of D mesons with the CLEO-c detector
- P. Rubin,
- C. Cawlfield,
- B. I. Eisenstein,
- I. Karliner,
- D. Kim,
- N. Lowrey
- George Mason University,
- University of Illinois at Urbana-Champaign,
- Indiana University,
- University of Kansas,
- Luther College, Decorah,
- University of Minnesota Twin Cities
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2.41
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130
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40
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89
Abstract
Using 281pb-1 of data collected with the CLEO-c detector, we report on first observations and measurements of Cabibbo-suppressed decays of D mesons in the following six decay modes: π+π-π0π0, π+π+π-π-π0, π+π0π0, π+π+π-π0, ηπ0, and ωπ+π-. Improved branching fraction measurements in eight other multipion decay modes are also presented. The measured D→ππ rates allow us to extract the ratio of isospin amplitudes A(ΔI=3/2)/A(ΔI=1/2)=0.420±0. 014(stat)±0.016(syst) and the strong phase shift of δI=(86. 4±2.8±3.3)°, which is quite large and now more precisely determined.
Publication Information
Output type
Research Output:
Contribution to journal
Article
Peer-reviewOriginal language
EnglishArticle number
081802Journal (Volume, Issue Number)
Physical Review Letters (Volume 96, Issue 8)Publication milestones
- Published - 06/03/2006
Publication status
Published - 06/03/2006
ISSN
0031-9007Publication IDs
- Scopus: 33644517883
- WOS: 000235736200014