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CERN Document Server Pronađeno je 2,051 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 1.21 sekundi 
1.
(100)
Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies from 189 GeV to 202 GeV / ALEPH Collaboration
Searches for the production of supersymmetric particles under the assumption that R-parity is violated via a single dominant LLE, LQD or UDD coupling were performed. These use the data collected by the ALEPH detector at LEP at centre-of-mass energies from 188.6 to 201.6 GeV. [...]
hep-ex/0011008; CERN-EP-2000-132; CERN-EP-2000-132.- Geneva : CERN, 2001 - 33 p. ALEPH Papers - Published in : Eur. Phys. J. C 19 (2001) 415 English: EPS; French: EPS; Fulltext: ep-2000-132.fig8_b - EPS; ep-2000-132.fig8_c - EPS; ep-2000-132.fig8_a - EPS; ep-2000-132.fig9_d - EPS; ep-2000-132.fig9_c - EPS; ep-2000-132.fig9_b - EPS; ep-2000-132.fig9_a - EPS; ep-2000-132 - PDF; ep-2000-132.fig6_a - EPS; ep-2000-132.fig5_c - EPS; ep-2000-132.fig5_b - EPS; ep-2000-132.fig5_a - EPS; ep-2000-132.fig1_a - EPS; ep-2000-132.fig5_d - EPS; ep-2000-132.fig4_b - EPS; ep-2000-132.fig4_c - EPS; ep-2000-132.fig4_a - EPS; ep-2000-132.fig6_d - EPS; ep-2000-132.fig1_d - EPS; ep-2000-132.fig1_c - EPS; ep-2000-132.fig1_b - EPS; ep-2000-132.fig6_b - EPS; ep-2000-132.fig6_c - EPS; ep-2000-132.fig7_a - EPS; ep-2000-132.fig7_c - EPS; ep-2000-132.fig1_h - EPS; arXiv:hep-ex_0011008 - PDF; ep-2000-132.fig3_b - EPS; ep-2000-132.fig7_b - EPS; ep-2000-132.fig3_a - EPS; German: EPS; External link: Preprint - Please contact the library if you need to access this document.
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2.
(91)
Search for scalar leptons in $e^+ e^-$ collisions at centre-of-mass energies up to 209 GeV / ALEPH Collaboration
A search for selectron, smuon and stau pair production is performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV. The numbers of candidate events are consistent with the background predicted by the Standard Model. [...]
hep-ex/0112011; CERN-EP-2001-086; CERN-EP-2001-086.- Geneva : CERN, 2002 - 15 p. ALEPH Papers - Published in : Phys. Lett. B 526 (2002) 206-220 Fulltext: fig2a_l_col - EPS; fig2b_r_col - EPS; arXiv:hep-ex_0112011 - PDF; fig2c_l_col - EPS; fig3a_r_col - EPS; fig3c_r_col - EPS; ep-2001-086 - PDF; fig2a_r_col - EPS; fig3c_l_col - EPS; fig2c_r_col - EPS; stau_dm - EPS; fig2b_l_col - EPS; fig3a_l_col - EPS; fig3b_r_col - EPS; fig3b_l_col - EPS; External link: Preprint - Please contact the library if you need to access this document.
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3.
(91)
Search for R-Parity Violating Production of Single Sneutrinos in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189-209 GeV / ALEPH Collaboration
A search for single sneutrino production under the assumption that $R$-parity is violated via a single dominant $LL\bar{E}$ coupling is presented. This search considers the process ${\rm e} \gamma \;{\smash{\mathop{\rightarrow}}}\;\tilde{\nu}\ell$ and is performed using the data collected by the ALEPH detector at centre-of-mass energies from 189\,GeV up to 209\,GeV corresponding to an integrated luminosity of 637.1\,$\mathrm{pb}^{-1}$. [...]
hep-ex/0201013; CERN-EP-2001-094; CERN-EP-2001-094.- Geneva : CERN, 2002 - 22 p. ALEPH Papers - Published in : Eur. Phys. J. C 25 (2002) 1-12 Fulltext: ep-2001-094 - PDF; arXiv:hep-ex_0201013 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
(88)
Search for Single Top Production in $e^{+} e^{-}$ Collisions at $\sqrt{s}$ up to 209 GeV / ALEPH Collaboration
Single top production via the flavour changing neutral current reactions e+e- -> \bar{t}c , \bar{t}u is searched for within the 214~pb-1 of data collected by ALEPH at centre-of-mass energies between 204 and 209~GeV. No deviation from the Standard Model expectation is observed and upper limits on the single top production cross sections are derived. [...]
hep-ex/0206070; CERN-EP-2002-042; CERN-EP-2002-042.- Geneva : CERN, 2002 - 11 p. ALEPH Papers - Published in : Phys. Lett. B 543 (2002) 173-182 Fulltext: ep-2002-042_fig3 - EPS; ep-2002-042_fig4 - EPS; ep-2002-042_fig1a - EPS; ep-2002-042_fig1b - EPS; arXiv:hep-ex_0206070 - PDF; S0370269302023079 - XML; ep-2002-042 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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5.
(87)
Leptonic decays of the $D_s$ meson / ALEPH Collaboration
The purely leptonic decays Ds -> tau nu and Ds -> mu nu are studied in a sample of four million hadronic Z decays collected with the ALEPH detector at the LEP e+e- collider from 1991 to 1995. The branching fractions are extracted from a combination of two analyses, one optimized to select Ds -> tau nu decays with tau -> e nu nubar or mu nu nubar, and the other optimized for Ds-> mu nu decays. [...]
hep-ex/0201024; CERN-EP-2002-001; CERN-EP-2002-001.- Geneva : CERN, 2002 - 27 p. ALEPH Papers - Published in : Phys. Lett. B 528 (2002) 1-18 Fulltext: arXiv:hep-ex_0201024 - PDF; ep-2002-001 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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6.
(86)
Measurements of $BR(b \to \tau^{-}\overline{\nu}_{\tau}X)$ and $BR(b \to \tau^{-}\overline{\nu}_{\tau} D^{*\pm}X)$ and Upper Limits on $BR(B^{-} \to \tau^{-}\overline{\nu}_{\tau})$ and $BR(b \to s\nu\overline{\nu})$ / ALEPH Collaboration
Inclusive branching ratios involving b to tau transitions are measured in approximately four million hadronic Z decays collected by the ALEPH detector at LEP. The fully-inclusive branching ratio b -> tau nu X and the semi-inclusive branching ratio b -> tau nu D*+/- X are measured to be (2.43 +/- 0.20 +/- 0.25)% and (0.88 +/- 0.31 +/- 0.28)%, in agreement with the standard model predictions. [...]
hep-ex/0010022; CERN-EP-2000-126; CERN-EP-2000-126.- Geneva : CERN, 2001 - 29 p. ALEPH Papers - Published in : Eur. Phys. J. C 19 (2001) 213 Fulltext: arXiv:hep-ex_0010022 - PDF; ep-2000-126 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
(86)
A Measurement of the b-quark Mass from Hadronic Z Decays / ALEPH Collaboration
Hadronic Z decay data taken with the ALEPH detector at LEP1 are used to measure the three-jet rate as well as moments of various event-shape variables. The ratios of the observables obtained from b-tagged events and from an inclusive sample are determined. [...]
hep-ex/0008013; CERN-EP-2000-093; CERN-EP-2000-093.- Geneva : CERN, 2000 - 24 p. ALEPH Papers - Published in : Eur. Phys. J. C 18 (2000) 1-13 Fulltext: ep-2000-093 - PDF; arXiv:hep-ex_0008013 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 226 - Please contact the library if you need to access this document.
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8.
(86)
Search for neutral Higgs bosons decaying into four taus at LEP2 / ALEPH Collaboration
A search for the production and non-standard decay of a Higgs boson, h, into four taus through intermediate pseudoscalars, a, is conducted on 683 pb-1 of data collected by the ALEPH experiment at centre-of-mass energies from 183 to 209 GeV. No excess of events above background is observed, and exclusion limits are placed on the combined production cross section times branching ratio, \xi^2 = \sigma(e+e- --> Zh)/\sigma_{SM}(e+e- --> Zh) x B(h --> aa)x B(a --> \tau^+\tau^-)^2. [...]
arXiv:1003.0705; CERN-PH-EP-2010-005.- 2010 - 18 p. ALEPH Papers - Published in : JHEP 05 (2010) 049 Fulltext: arXiv:1003.0705 - PDF; cern-ph-ep-2010-005 - PDF; Springer Open Access article: PDF; External link: Preprint
Detaljnije - Slični zapisi
9.
(86)
Study of hadronic final states from double tagged $gammagamma$ events at LEP / ALEPH Collaboration
The interaction of virtual photons is investigated using double tagged gammagamma events with hadronic final states recorded by the ALEPH experiment at e^+e^- centre-of-mass energies between 188 and 209 GeV. [...]
hep-ex/0305107 ; CERN-EP-2003-025 ; CERN-EP-2003-025. - 2003. - 22 p.
Preprint - Full text - Fulltext - Fulltext
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10.
(85)
Production of D$^{**}_{s}$ mesons in hadronic Z decays / ALEPH Collaboration
The production rates of the orbitally excited Ds** mesons, Ds1 and Ds2*, are measured with the 4.1 million hadronic Z decays recorded by the ALEPH detector during 1991--1995. The Ds** mesons are reconstructed in the decay modes Ds1+ -> D*+ K0, Ds1+ -> D*0 K+ and Ds2*+ -> D0 K+. [...]
hep-ex/0112010; CERN-EP-2001-085; CERN-EP-2001-085.- Geneva : CERN, 2002 - 18 p. ALEPH Papers - Published in : Phys. Lett. B 526 (2002) 34-49 Fulltext: arXiv:hep-ex_0112010 - PDF; ep-2001-085 - PDF; S0370269301014654 - XML; External link: Preprint - Please contact the library if you need to access this document.
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