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CERN Document Server 122 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 1.20 sekúnd. 
1.
Electroweak Measurements in Electron-Positron Collisions at W-Boson-Pair Energies at LEP / ALEPH Collaboration
Electroweak measurements performed with data taken at the electron-positron collider LEP at CERN from 1995 to 2000 are reported. The combined data set considered in this report corresponds to a total luminosity of about 3~fb$^{-1}$ collected by the four LEP experiments ALEPH, DELPHI, L3 and OPAL, at centre-of-mass energies ranging from $130~GeV$ to $209~GeV$ [...]
arXiv:1302.3415; CERN-PH-EP-2013-022; CERN-PH-EP-2013-022.- Geneva : CERN, 2013 - 126 p. - Published in : Phys. Rep. 532 (2013) 119-244 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2013-022 - PDF; arXiv:1302.3415 - PDF; External link: Preprint
Úplný záznam
2.
Measurement of the quark to photon fragmentation function through the inclusive production of prompt photons in hadronic $Z^0$ decays / OPAL Collaboration
The inclusive production of prompt photons with energy above 10 GeV is measured using the OPAL detector in hadronic Z^0 decays at LEP. In contrast to previous measurements, the prompt photons were not required to be isolated. [...]
hep-ex/9708020; CERN-PPE-97-086; CERN-PPE-97-86; CERN-PPE-97-086.- Geneva : CERN, 1998 - 24 p. - Published in : Eur. Phys. J. C 2 (1998) 39-48 Fulltext: PDF; External links: Fulltext; Fulltext
Úplný záznam
3.
Precision electroweak measurements on the $Z$ resonance / ALEPH Collaboration
We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH, DELPHI, L3 and OPAL experiments at LEP, and 600 thousand Z decays by the SLD experiment using a polarised beam at SLC. [...]
hep-ex/0509008; SLAC-R-774; CERN-PH-EP-2005-041; SLAC-R-774; CERN-L3-304.- Geneva : CERN, 2006 - 302 p. ALEPH Papers - Published in : Phys. Rep. 427 (2006) 257 Fulltext: arXiv:hep-ex_0509008 - PDF; phep-2005-041 - PDF; External link: SLAC Document Server
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4.
Precise Determination of the Z Resonance Parameters at LEP : Zedometry / OPAL Collaboration
This final analysis of hadronic and leptonic cross-sections and of leptonic forward-backward asymmetries in e+e- collisions with the OPAL detector makes use of the full LEP1 data sample comprising 161 pb^-1 of integrated luminosity and 4.5 x 10^6 selected Z decays. An interpretation of the data in terms of contributions from pure Z exchange and from Z-gamma interference allows the parameters of the Z resonance to be determined in a model-independent way. [...]
hep-ex/0012018; CERN-EP-2000-148; OPAL-PR-328; CERN-EP-2000-148.- Geneva : CERN, 2001 - 120 p. - Published in : Eur. Phys. J. C 19 (2001) 587-651 Fulltext: arXiv:hep-ex_0012018 - PDF; 0012018 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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5.
Precision Luminosity for $Z^{0}$ Lineshape Measurements with a Silicon-Tungsten Calorimeter / OPAL Collaboration
The measurement of small-angle Bhabha scattering is used to determine the luminosity at the OPAL interaction point for the LEP I data recorded between 1993 and 1995. The measurement is based on the OPAL Silicon-Tungsten Luminometer which is composed of two calorimeters encircling the LEP beam pipe, on opposite sides of the interaction point. [...]
hep-ex/9910066; CERN-EP-99-136; CERN-EP-99-136.- Geneva : CERN, 2000 - 89 p. - Published in : Eur. Phys. J. C 14 (2000) 373-425 Fulltext: 9910066 - PDF; arXiv:hep-ex_9910066 - PDF; External link: hep-ex/9910066 PDF - Please contact the library if you need to access this document.
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6.
Measurement of the branching fractions and forward-backward asymmetries of the $Z^{0}$ into light quarks / OPAL Collaboration
1997 - Published in : Z. Phys. C 76 (1997) 387-400
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7.
Search for scalar top and scalar bottom quarks at $\sqrt {s} $ = 183 GeV at LEP / OPAL Collaboration
Searches for a scalar top quark and a scalar bottom quark have been performed using a total data sample of 56.8 pb-1 at a centre-of-mass energy of 183 GeV collected with the OPAL detector at LEP. No candidate events were observed. [...]
hep-ex/9808026; CERN-EP-98-107; CERN-EP-98-107.- Geneva : CERN, 1999 - 28 p. - Published in : Eur. Phys. J. C 6 (1999) 225-238 Fulltext: 9808026 - PDF; arXiv:hep-ex_9808026 - PDF; External link: hep-ex/9808026 PDF - Please contact the library if you need to access this document.
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8.
An upper limit on the anomalous magnetic moment of the $\tau$ lepton / OPAL Collaboration
Using radiative Z^0 -> \tau^+ \tau^- \gamma events collected with the OPAL detector at LEP at \sqrt{s}= M_Z during 1990-95, a direct study of the electromagnetic current at the \tau\gamma vertex has been performed in terms of the anomalous magnetic form factor F_2 of the \tau lepton. The analysis is based on a data sample of 1429 e^+ e^- -> \tau^+ \tau^- \gamma events which are examined for a deviation from the expectation with F_2 = 0. [...]
hep-ex/9803020; CERN-EP-98-033; CERN-EP-98-033.- Geneva : CERN, 1998 - 19 p. - Published in : Phys. Lett. B 431 (1998) 188 Fulltext: arXiv:hep-ex_9803020 - PDF; ep-98-033 - PDF; 9803020 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
Search for stable and long-lived massive charged particles in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 130-183 GeV / OPAL Collaboration
A search for stable and long-lived massive particles of electric charge |Q/e| = 1 or 2/3, pair-produced in e+e- collisions at centre-of-mass energies from 130 to 183 GeV, is reported by the OPAL collaboration at LEP. No evidence for production of these particles was observed in a mass range between 45 and 89.5 GeV. [...]
hep-ex/9803026; CERN-EP-98-039; CERN-EP-98-039.- Geneva : CERN, 1998 - 18 p. - Published in : Phys. Lett. B 433 (1998) 195-208 Fulltext: arXiv:hep-ex_9803026 - PDF; ep-98-039 - PDF; 9803026 - PDF; External link: Preprint - Please contact the library if you need to access this document.
Úplný záznam
10.
A search for neutral Higgs bosons in the MSSM and models with two scalar field doublets / OPAL Collaboration
A search is described for the neutral Higgs bosons h^0 and A^0 predicted by models with two scalar field doublets and, in particular, the Minimal Supersymmetric Standard Model (MSSM). The search in the Z^0 h^0 and h^0 A^0 production channels is based on data corresponding to an integrated luminosity of 25 pb^{-1} from e^+e^- collisions at centre-of-mass energies between 130 and 172 GeV collected with the OPAL detector at LEP. [...]
hep-ex/9803019; CERN-EP-98-029; CERN-EP-98-029.- Geneva : CERN, 1998 - 39 p. - Published in : Eur. Phys. J. C 5 (1998) 19-40 Fulltext: arXiv:hep-ex_9803019 - PDF; ep-98-029 - PDF; 9803019 - PDF; External link: hep-ex/9803019 PDF - Please contact the library if you need to access this document.
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CERN Document Server : 122 záznamov nájdených   1 - 10ďalšíkoniec  skoč na záznam:
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