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CERN Document Server 2,051 records found  1 - 10nextend  jump to record: Search took 0.98 seconds. 
1.
(100)
Measurement of the Michel parameters and the $\nu_{\tau}$ helicity in $\tau$ lepton decays / ALEPH Collaboration
A measurement of the Michel parameters and the average $\nu_\tau$ helicity in $\tau$ lepton decays is described. The data was collected with the ALEPH detector at LEP during the years 1991 to 1995. [...]
CERN-EP-2001-035.- Geneva : CERN, 2001 - 26 p. ALEPH Papers - Published in : Eur. Phys. J. C 22 (2001) 217 Fulltext: PDF; - CERN library copies
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2.
(91)
Measurement of the $\tau$ Lepton Lifetime with the Three-dimensional Impact Parameter Method / ALEPH Collaboration
A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the correlation between the two $\tau$'s produced at a symmetric $e^+ e^-$ collider, the 3DIP method relies on the three-dimensional information from a double-sided vertex detector and on kinematic constraints for the precise measurement of the $\tau$ decay angles. [...]
CERN-PPE-97-016; FSU-SCRI-97-76.- Tallahassee, FL : Florida State Univ., 1997 - 20 p. ALEPH Papers - Published in : Z. Phys. C 74 (1997) 387-398 Fulltext: PDF; - CERN library copies
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3.
(87)
$K^{0}_{S}$ production in $\tau$ decays / ALEPH Collaboration
From a sample of about 160k $\mbox{Z}\!\!\to\!\!\tau^+\tau^-$ candidates collected with the ALEPH detector at LEP between 1991 and 1995, $\tau$ lepton decays involving $K^0_S\!\to\!\pi^+\pi^-$ are studied. The $K^0_SK^0_L$ associated production in $\tau$ decays is also investigated. [...]
CERN-PPE-97-167; FSU-SCRI-98-84.- Tallahassee, FL : Florida State Univ., 1998 - 28 p. ALEPH Papers - Published in : Eur. Phys. J. C 4 (1998) 29-45 Fulltext: PDF; - CERN library copies
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4.
(84)
A study of the decay width difference in the $B^{0}_{s}-\overline{B}^{0}_{s}$ system using $\phi\phi$ correlations / ALEPH Collaboration
In a data sample of about four million hadronic Z decays recorded with the ALEPH detector from 1991 to 1995, the $B^{0}_{s} \to D^{(*)+}_{s}D^{(*)-}_{s}$ decay is observed, based on tagging the nal state with two $\phi$ mesons in the same hemisphere. The $D^{(*)+}_{s}D^{(*)-} _{s}$ final state is mostly CP even and corresponds to the short-lived $B^0$ mass eigenstate. [...]
CERN-EP-2000-036.- Geneva : CERN, 2000 - 20 p. ALEPH Papers - Published in : Phys. Lett. B 486 (2000) 286-99 Fulltext: ep-2000-036_version1 - PDF; ep-2000-036 - PDF; External link: Published version
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 137 - CERN library copies
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5.
(83)
Search for CP violation in $Z \rightarrow \tau\tau$ / ALEPH Collaboration
CERN-PPE-92-161.- Geneva : CERN, 1993 - 15 p. ALEPH Papers - Published in : Phys. Lett. B 297 (1993) 459-468 Fulltext: PDF; - CERN library copies
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6.
(83)
Measurement of the tau lepton lifetime / ALEPH Collaboration
CERN-PPE-92-003.- Geneva : CERN, 1992 - 19 p. ALEPH Papers - Published in : Phys. Lett. B 279 (1992) 411-421 Fulltext: PDF; - CERN library copies
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7.
(83)
Three-prong $\tau$ decays with charged kaons / ALEPH Collaboration
Final states with charged kaons in three-prong $\tau$ decays are studied by exploiting the particle identification from the dE/dx measurement. The results are based on a sample of about $1.6\times 10^{5}$ detected $\tau$ pairs collected with the ALEPH detector between 1991 and 1995 around the Z peak. [...]
CERN-PPE-97-069.- Geneva : CERN, 1998 - 33 p. ALEPH Papers - Published in : Eur. Phys. J. C 1 (1998) 65-79 Fulltext: PDF; - CERN library copies
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8.
(83)
A precise measurement of the $\tau$ lepton lifetime / ALEPH Collaboration
CERN-PPE-92-186.- Geneva : CERN, 1993 - 25 p. ALEPH Papers - Published in : Phys. Lett. B 297 (1993) 432-448 Fulltext: PDF; - CERN library copies
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9.
(83)
Measurement of the $b \rightarrow \tau^{-}\overline{\nu}_{\tau}$X branching ratio / ALEPH Collaboration
CERN-PPE-92-184.- Geneva : CERN, 1993 - 21 p. ALEPH Papers - Published in : Phys. Lett. B 298 (1993) 479-491 Fulltext: PDF; - CERN library copies
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10.
(82)
Measurement of tau branching ratios / ALEPH Collaboration
CERN-PPE-91-186.- Geneva : CERN, 1992 - 40 p. ALEPH Papers - Published in : Z. Phys. C 54 (1992) 211-228 Fulltext: PDF; - CERN library copies
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