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CERN Document Server Znaleziono 144 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.57 sekund. 
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
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
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: phep-2005-041 - PDF; arXiv:hep-ex_0509008 - PDF; External link: SLAC Document Server
4.
Measurements of Bottom Hadron Lifetimes and the $\Lambda^0$ production rate in $Z^0 \to b\overline{b}$ events using data from the OPAL experiment / Pearce, M J
RAL-TH-96-010. - Chilton : RAL, 1996. - 210 p.

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5.
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
6.
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.
7.
Search for anomalous production of dilepton events with missing transverse momentum in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 161 and 172 GeV / OPAL Collaboration
Events containing a pair of charged leptons and significant missing transverse momentum are selected from a data sample corresponding to a total integrated luminosity of 20.6 pb^-1 at centre-of-mass energies of 161 GeV and 172 GeV. The observed number of events, four at 161 GeV and nine at 172 GeV, is consistent with the number expected from Standard Model processes, predominantly arising from W+W- production with each W decaying leptonically. [...]
hep-ex/9710010; CERN-PPE-97-124; CERN-PPE-97-124.- Geneva : CERN, 1998 - 61 p. - Published in : Eur. Phys. J. C 4 (1998) 47-74 Fulltext: arXiv:hep-ex_9710010 - PDF; 9710010 - PDF; External link: Preprint - Please contact the library if you need to access this document.
8.
Search for Unstable Heavy and Excited Leptons in $e^+ e^-$ Collisions at $\sqrt{s}$ = 170-172 GeV / OPAL Collaboration
We have searched for unstable neutral and charged heavy leptons, N and L^+/-, and for excited states of neutral and charged leptons, nu*, e*, mu* and tau*, in e^+e^- collisions at centre-of-mass energies of 170 and 172 GeV using the OPAL detector at LEP. No evidence for their existence was found. [...]
hep-ex/9709027; CERN-PPE-97-123; CERN-PPE-97-123.- Geneva : CERN, 1998 - 42 p. - Published in : Eur. Phys. J. C Fulltext: arXiv:hep-ex_9709027 - PDF; 9709027 - PDF; External link: hep-ex/9709027 PDF - Please contact the library if you need to access this document.
9.
Measurement of triple gauge boson couplings from $W^+ W^-$ production at $\sqrt{s}$ = 172 GeV / OPAL Collaboration
We present measurements of triple gauge boson coupling parameters using data recorded by the OPAL detector at LEP2 at a centre-of-mass energy of 172 GeV. A total of 120 W-pair candidates has been selected in the q q(bar) q q(bar), q q(bar) l nu(bar)_l, and l nu(bar)_l l(bar)' nu_l' decay channels, for an integrated luminosity of 10.4 pb^-1. [...]
hep-ex/9709023; CERN-PPE-97-125; CERN-PPE-97-125.- Geneva : CERN, 1998 - 19 p. - Published in : Eur. Phys. J. C 2 (1998) 597-606 Fulltext: 9709023 - PDF; arXiv:hep-ex_9709023 - PDF; External link: hep-ex/9709023 PDF - Please contact the library if you need to access this document.
10.
Search for a massive diphoton resonance at $\sqrt{s}$ = 91-172 GeV / OPAL Collaboration
A search for the resonant production of high mass photon pairs associated with a leptonic or hadronic system has been performed using a total data sample of 25.7 pb^-1 taken at centre-of-mass energies between 130 GeV and 172 GeV with the OPAL detector at LEP. The observed number of events is consistent with the expected number from Standard Model processes. [...]
hep-ex/9709022; CERN-PPE-97-121; CERN-PPE-97-121.- Geneva : CERN, 1998 - 30 p. - Published in : Eur. Phys. J. C Fulltext: 9709022 - PDF; arXiv:hep-ex_9709022 - PDF; External link: hep-ex/9709022 PDF - Please contact the library if you need to access this document.

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