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CERN Document Server 2,051 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 1.53 secondi. 
1.
(100)
Measurement of the B$^{0}_{s}$ lifetime and production rate with D$^{-}_{s}$ l$^{+}$ combinations in Z decays / ALEPH Collaboration
The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were reconstructed and combined with an opposite sign lepton as evidence of semileptonic \bs decays. [...]
CERN-PPE-95-125; FSU-SCRI-95-122.- Tallahassee, FL : Florida State Univ., 1995 - 15 p. ALEPH Papers - Published in : Phys. Lett. B 361 (1995) 221-233 Fulltext: PDF; - CERN library copies
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2.
(91)
Measurements of mean lifetime and branching fractions of b hadrons decaying to $J/\psi$ / ALEPH Collaboration
CERN-PPE-92-142; FSU-SCRI-93-71.- Geneva : CERN, 1992 - 21 p. ALEPH Papers - Published in : Phys. Lett. B 295 (1992) 396-408 Fulltext: PDF; - CERN library copies
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3.
(91)
Measurement of the $B^{0}_{s}$ lifetime / ALEPH Collaboration
CERN-PPE-93-214; FSU-SCRI-94-32.- Geneva : CERN, 1994 - 18 p. ALEPH Papers - Published in : Phys. Lett. B 322 (1994) 275-286 Fulltext: P00020954 - TIF; ppe-93-214 - PDF; - CERN library copies
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4.
(89)
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.
(89)
Improved search for $B^0_s-\overline{B}^0_s$ oscillations / ALEPH Collaboration
An improved search for Bs oscillations is performed in the ALEPH data sample collected during the first phase of LEP, and reprocessed in 1998. Three analyses based on complementary event selections are presented. [...]
CERN-EP-2002-016.- Geneva : CERN, 2003 - 40 p. ALEPH Papers - Published in : Eur. Phys. J. C 29 (2003) 143-170 Fulltext: PDF; - CERN library copies
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6.
(88)
A measurement of the b baryon lifetime / ALEPH Collaboration
CERN-PPE-92-138.- Geneva : CERN, 1993 - 15 p. ALEPH Papers - Published in : Phys. Lett. B 297 (1993) 449-458 Fulltext: PDF;
In : 8th Meeting of the Division of Particles and Fields of the American Physical Society, v.1-2, Albuquerque, NM, USA, 2 - 6 Aug 1994, pp.759-763 - CERN library copies
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7.
(88)
Updated measurement of the average b hadron lifetime / ALEPH Collaboration
CERN-PPE-92-133.- Geneva : CERN, 1992 - 20 p. ALEPH Papers - Published in : Phys. Lett. B 295 (1992) 174-186 Fulltext: PDF; - CERN library copies
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8.
(87)
Observation of the semileptonic decays of B$_{s}$ and $\Lambda_{b}$ hadrons at LEP / ALEPH Collaboration
CERN-PPE-92-073.- Geneva : CERN, 1992 - 21 p. ALEPH Papers - Published in : Phys. Lett. B 294 (1992) 145-156 Fulltext: PDF; - CERN library copies
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9.
(86)
Measurement of the B hadron lifetime / ALEPH Collaboration
CERN-PPE-90-195.- Geneva : CERN, 1991 - 15 p. ALEPH Papers - Published in : Phys. Lett. B 257 (1991) 492-504 Fulltext: PDF; - CERN library copies
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10.
(84)
Study of the B$_{s}^{0}\overline{B}_{s}^{0}$ oscillation frequency using D$_{s}^{-}$l$^{+}$ combinations in Z decays / ALEPH Collaboration
A lower limit on the oscillation frequency of the BsBsbar system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons are combined with opposite sign Ds- candidates reconstructed in seven different decay modes as evidence of semileptonic Bs decays [...]
CERN-PPE-96-030; FSU-SCRI-96-105.- Geneva : CERN, 1996 - 21 p. ALEPH Papers - Published in : Phys. Lett. B 377 (1996) 205-221 Fulltext: PDF; - CERN library copies
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