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CERN Document Server Намерени са 2,043 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 1.83 секунди. 
1.
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Searches for scalar top and scalar bottom quarks at LEP2 / ALEPH Collaboration
Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7 pb^-1 taken at sqrt{s} = 130 and 136~GeV. [...]
hep-ex/9708013; CERN-PPE-97-084; CERN-PPE-97-84; FSU-SCRI-98-11; CERN-PPE-97-084.- Geneva : CERN, 1997 - 16 p. ALEPH Papers - Published in : Phys. Lett. B 413 (1997) 431-446 Fulltext: arXiv:hep-ex_9708013 - PDF; ppe-97-084 - PDF; - Please contact the library if you need to access this document.
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2.
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Scalar quark searches in $e^+ e^-$ collisions at $\sqrt{s}$ = 181-184 GeV / ALEPH Collaboration
Searches for scalar top, scalar bottom and degenerate scalar quarks have been performed with data collected with the ALEPH detector at LEP. The data sample consists of 57 pb^-1 taken at sqrt{s} = 181-184 GeV. [...]
hep-ex/9810028; CERN-EP-98-076; CERN-EP-98-76; CERN-ALEPH-98-015; CERN-EP-98-076.- Geneva : CERN, 1998 - 11 p. ALEPH Papers - Published in : Phys. Lett. B 434 (1998) 189-199 Fulltext: 9810028 - PDF; arXiv:hep-ex_9810028 - PDF; ep-98-076 - PDF; External link: hep-ex/9810028 PDF - Please contact the library if you need to access this document.
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3.
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Searches for Scalar Top and Scalar Bottom Quarks at LEP2 / Antonelli, M ; Cerutti, F ; Pepé-Altarelli, M ; Orejudos, W ; Zachariadou, K
Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. [...]
CERN-OPEN-99-330. - 1997. - 16 p.
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4.
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Search for scalar quarks in $e^{+}e^{-}$ collisions at $\sqrt{s}$ up to 209 GeV / ALEPH Collaboration
Search for Scalar Quarks in e+e- Collisions at sqrt(s) up to 209 GeV Searches for scalar top, scalar bottom and mass-degenerate scalar quarks are performed in the data collected by the ALEPH detector at LEP, at centre-of-mass energies up to 209 GeV, corresponding to an integrated luminosity of 675 pb-1. No evidence for the production of such particles is found in the decay channels stop->c/u chi, stop->b l snu, sbottom-> b chi, squark-> q chi or in the stop four-body decay channel stop-> b chi f f' studied for the first time at LEP. [...]
hep-ex/0204036; CERN-EP-2002-026; CERN-EP-2002-026.- Geneva : CERN, 2002 - 21 p. ALEPH Papers - Published in : Phys. Lett. B 537 (2002) 5-20 Fulltext: ep-2002-026_fig4b - EPS; ep-2002-026_fig4a - EPS; ep-2002-026_fig2b - EPS; ep-2002-026_fig5a - EPS; ep-2002-026_fig3a - EPS; ep-2002-026_fig5b - EPS; ep-2002-026_fig1d - EPS; ep-2002-026_fig1e - EPS; ep-2002-026_fig1b - EPS; ep-2002-026_fig1c - EPS; arXiv:hep-ex_0204036 - PDF; ep-2002-026_fig2c - EPS; ep-2002-026_fig1a - EPS; ep-2002-026_fig6 - EPS; ep-2002-026 - PDF; ep-2002-026_fig2a - EPS; ep-2002-026_fig3b - EPS; External link: Preprint - Please contact the library if you need to access this document.
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5.
(39)
Search for stable hadronizing squarks and gluinos in $e^{+} e^{-}$ collisions up to $\sqrt{s}$ = 209 GeV / ALEPH Collaboration
Searches for stable, hadronizing scalar quarks and gluinos are performed using the data collected with the ALEPH detector at LEP. Gluon splitting into a gluino or a squark pair is searched for at centre-of-mass energies around the Z resonance, in the e+e- -> q qbar gluino gluino and q qbar squark antisquark processes. [...]
hep-ex/0305071; CERN-EP-2003-024; CERN-EP-2003-024.- Geneva : CERN, 2003 - 26 p. ALEPH Papers - Published in : Eur. Phys. J. C 31 (2003) 327-342 Fulltext: arXiv:hep-ex_0305071 - PDF; 0305071 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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6.
(29)
Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation / ALEPH Collaboration
A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161, 136, and 130 GeV are also included to improve the sensitivity to lower masses. [...]
hep-ex/9706013; CERN-PPE-97-041; CERN-PPE-97-41; CERN-PPE-97-041.- Geneva : CERN, 1997 - 16 p. ALEPH Papers - Published in : Phys. Lett. B 405 (1997) 379-388 Fulltext: arXiv:hep-ex_9706013 - PDF; 9706013 - PDF; ppe-97-041 - PDF; External link: hep-ex/9706013 PDF - Please contact the library if you need to access this document.
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7.
(28)
Mass limit for the lightest neutralino / ALEPH Collaboration
Indirect limits on the mass of the lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at centre-of-mass energies near the Z peak and at 130 and 136 GeV. Within the context of the Minimal Supersymmetric Standard Model and when $M_{\tilde\nu}\ge 200$ GeV/c~2, the bound $M_\chi>12.8$ GeV/c~2 at the 95\% confidence level applies for any $\tan\beta$. [...]
hep-ex/9607009; CERN-PPE-96-83; FSU-SCRI-97-34; hep-ex/9607009.- Geneva : CERN, 1996 - 30 p. ALEPH Papers Fulltext: arXiv:hep-ex_9607009 - PDF; ppe-96-083 - PDF; - Please contact the library if you need to access this document.
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8.
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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
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9.
(27)
Searches for charginos and neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 and 172 GeV / ALEPH Collaboration
The data recorded by the ALEPH detector at centre-of-mass energies of 161, 170, and 172 GeV are analysed for signals of chargino and neutralino production. No evidence of a signal is found, although candidate events consistent with the expectations from Standard Model processes are observed. [...]
hep-ex/9710012; CERN-PPE-97-128; FSU-SCRI-98-67; CERN-PPE-97-128.- Geneva : CERN, 1998 - 39 p. ALEPH Papers - Published in : Eur. Phys. J. C 2 (1998) 417-439 Fulltext: arXiv:hep-ex_9710012 - PDF; 9710012 - PDF; External link: hep-ex/9710012 PDF - Please contact the library if you need to access this document.
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10.
(27)
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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