Tau physics

The pure leptonic or semileptonic character of tau decays makes them a good laboratory to test the structure of the weak currents and the universality of their couplings to the gauge bosons. The hadronic tau decay modes constitute an ideal tool for studying low-energy effects of the strong interactions in very clean conditions; a well-known example is the precise determination of the QCD coupling from tau-decay data. New physics phenomena, such as a non-zero tau-neutrino mass or violations of (flavour / CP) conservation laws can also be searched for with tau decays.

Note:

To appear in Heavy Flavors II, eds. A.J. Buras and M. Lindner (World Scientific, 1997) •
40 pages, latex, 10 Postscript figures. To appear in Heavy Flavours II, eds. A.J. Buras and M. Lindner (World Scientific, 1997)

tau: leptonic decay
tau: semileptonic decay
tau: hadronic decay
tau: branching ratio
tau: lifetime
charged current: universality
invariance: Lorentz
neutral current: coupling
form factor
electromagnetic interaction: moment

References(211)

Figures(10)

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Martin L. Perl
(
- LBL, Berkeley and
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)
,
G.S. Abrams
(
- LBL, Berkeley and
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)
,
A. Boyarski
(
- LBL, Berkeley and
- UC, Berkeley and
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)
,
Martin Breidenbach
(
- LBL, Berkeley and
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- SLAC
)
,
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(
- LBL, Berkeley and
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)

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•
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The Tau Lepton

Martin L. Perl
(
- SLAC
)

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•
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A Statistical Study of Tau Decay Data

K.G. Hayes
(
- SLAC
)
,
Martin L. Perl
(
- SLAC
)

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•
DOI:
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The Physics of the tau Lepton

B.C. Barish
(
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)
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(
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)

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•
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NEW LEPTONS: AN EXPERIMENTAL REVIEW

K.K. Gan
(
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)
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Martin L. Perl
(
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)

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•
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A. Pich
(
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)

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•
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Martin L. Perl
(
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)

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•
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Keith Riles
(
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)

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•
DOI:
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The Tau lepton and its neutrino

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•
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Physics of $\tau$ leptons

Simonetta Gentile
(
- Rome U. and
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)
,
Martin Pohl
(
- Zurich, ETH
)

- Phys.Rept. 274 (1996) 287-376
•
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Yung-Su Tsai
(
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)

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Yung-Su Tsai
(
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•
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Electroweak Radiative Corrections to tau Decay

W.J. Marciano
(
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)
,
A. Sirlin
(
- New York U.
)

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•
DOI:
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An Upper limit for the tau-neutrino mass from tau --> 5 pi (pi0) tau-neutrino decays

ALEPH

Collaboration

•

D. Buskulic
(
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UA2

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•

J. Alitti
(
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)

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Measurement of the ratio $(W \to \tau \nu) / B (W \to e \nu)$ , in $p\bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV

CDF

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•

F. Abe

et al.

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A Measurement of the production and muonic decay rate of $W$ and $Z$ bosons in $p \bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV

CDF

Collaboration

•

F. Abe

et al.

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•
DOI:
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Radiative corrections to pi(lepton 2) decays

William J. Marciano
(
- Brookhaven
)
,
A. Sirlin
(
- New York U.
)

- Phys.Rev.Lett. 71 (1993) 3629-3632
•
DOI:
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Short and long distance effects in the decay tau ---> pi tau-neutrino (gamma)

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•
e-Print:
- hep-ph/9403385
•
DOI:
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Radiative corrections to the decay tau ---> pi tau-neutrino

Roger Decker
(
- Karlsruhe U.
)
,
Markus Finkemeier
(
- Frascati
)

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•
e-Print:
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•
DOI:
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Tau physics: A Theoretical perspective

William J. Marciano
(
- Brookhaven
)

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