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Resonance structure of τ-→Κ-π+π -ντ decays

Abstract:

Using a sample of 4.7 fb-1 integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring (CESR), we investigate the mass spectrum and resonant structure in τ- →Κ-π+π-ντ decays. We measure the relative fractions of Κ1(1270) and Κ1(1400) resonances in these decays, as well as the Κ1 masses and widths. Our fitted Κ1 resonances are somewhat broader than previous hadroproduction measurements, and in agreement with recent CERN LEP results from tau decay. The large...

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Authors


Gronberg, J More by this author
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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
62
Issue:
7
Pages:
1-11
Publication date:
2000-10-01
ISSN:
0556-2821
URN:
uuid:88f0fe7e-2f6b-487f-87ca-96f925dc42db
Source identifiers:
321881
Local pid:
pubs:321881
Language:
English

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