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Study of the τ-→3h-2h+ντ decay

Abstract:
The branching fraction of the τ-→3h-2h+ντ decay (h=π,K) is measured with the BABAR detector to be (8.56±0.05±0.42) ×10-4, where the first error is statistical and the second systematic. The observed structure of this decay is significantly different from the phase space prediction, with the ρ resonance playing a strong role. The decay τ-→f1(1285)π-ντ, with the f1(1285) meson decaying to four charged pions, is observed and the branching fraction is measured to be (3.9±0.7±0.5)×10-4. © 2005 The American Physical Society.

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Publisher copy:
10.1103/PhysRevD.72.072001

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Journal:
Physical Review D More from this journal
Volume:
72
Issue:
7
Publication date:
2005-10-01
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Language:
English
Pubs id:
pubs:315148
UUID:
uuid:8ada0661-4e92-4d6b-9a8d-56858876e011
Local pid:
pubs:315148
Source identifiers:
315148
Deposit date:
2013-11-17

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