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A study of the hadronic resonance structure in the decay tau -> 3 pi nu(tau)

Abstract:

The hadronic structure of the decay of the τ lepton to three charged particles, τ → 3πντ, is studied using data collected by the DELPHI detector at LEP between 1992 and 1995. The invariant mass of the 3π system, m3π, is fitted using the models of Kühn and Santamaria, Isgur Morningstar and Reader, and Feindt. The 3π and π+π- mass spectra are compared with each model. Below m23π = 2.3 GeV2, all are in good qualitative agreement. Above m23π = 2.3 GeV2, anomalous behaviour is observed, consistent...

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Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
426
Issue:
3-4
Pages:
411-427
Publication date:
1998-05-07
DOI:
ISSN:
0370-2693
URN:
uuid:c1ef6f07-c905-402c-a145-4fea564a161e
Source identifiers:
24125
Local pid:
pubs:24125
Language:
English

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