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CERN Document Server 37 records found  1 - 10nextend  jump to record: Search took 0.56 seconds. 
1.
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
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2.
Measurement of the semileptonic b branching fractions and average b mixing parameter in Z decays / DELPHI Collaboration
The semileptonic branching fractions for primary and cascade b decays BR(b -> lepton-), BR(b -> c -> lepton+) and BR(b -> cbar -> lepton-) were measured in hadronic Z decays collected by the DELPHI experiment at LEP. The sample was enriched in b decays using the lifetime information and various techniques were used to separate leptons from direct or cascade b decays [...]
hep-ex/0105080; CERN-EP-2000-157; CERN-EP-2000-157.- Geneva : CERN, 2001 - 40 p. - Published in : Eur. Phys. J. C 20 (2001) 455-478 Fulltext: arXiv:hep-ex_0105080 - PDF; ep-2000-157 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 408 - Please contact the library if you need to access this document.
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3.
Measurement of $V_{cb}$ from the decay process $\bar{B^0} \to D^{*+} \ell^- \bar{\nu}$ / DELPHI Collaboration
A new precise measurement of |V_{cb}| and of the branching ratio BR(\bar{B^0} -> D^{*+} \ell^- \bar{\nu_\ell}) has been performed using a sample of about 5000 semileptonic decays \bar{B^0} -> D^{*+} \ell^- \bar{\nu_\ell}, selected by the DELPHI detector at LEP I by tagging the soft pion from D^{*+} -> D^0 \pi^+. The results are: V_{cb}=(39.0 +/- 1.5 (stat.) ^{+2.5}_{-2.6} (syst. [...]
hep-ex/0104026; CERN-EP-2001-002; CERN-EP-2001-002.- Geneva : CERN, 2001 - 26 p. - Published in : Phys. Lett. B 510 (2001) 55-74 Fulltext: 0104026 - PDF; arXiv:hep-ex_0104026 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
Study of Dimuon Production in Photon-Photon Collisions and Measurement of QED Photon Structure Functions at LEP / DELPHI Collaboration
Muon pair production in the process $e^+e^-\to e^+e^-\mu^+\mu^-$ is studied using the data taken at LEP1 ($\sqrt{s}\simeq m_Z$) with the DELPHI detector during the years 1992-1995. The corresponding integrated luminosity is 138.5~pb$^{-1}$. [...]
hep-ex/0105084; CERN-EP-2000-150; CERN-EP-2000-150.- Geneva : CERN, 2001 - 23 p. - Published in : Eur. Phys. J. C 19 (2001) 15-28 Fulltext: ep-2000-150 - PDF; arXiv:hep-ex_0105084 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 391 - Please contact the library if you need to access this document.
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5.
Search for R-parity violation with a $\overline{U}\overline{D}\overlin e{D}$ coupling at $\sqrt{s}$=189 GeV / DELPHI Collaboration
Searches for pair production of gauginos and squarks in $e^{+} e^{-}$ collisions at a centre-of-mass energy of 189 GeV have been performed on data corresponding to an integrated luminosity of 158 pb$^{-1}$ collected by the DELPHI detector at LEP. The data were analyzed under the assumption of non-conservation of \mbox{$R$-parity} through a single dominant $\bar{U} \bar{D} \bar{D}$~coupling between squarks and quarks. [...]
hep-ex/0103015; CERN-EP-2000-127; CERN-EP-2000-127.- Geneva : CERN, 2001 - 20 p. - Published in : Phys. Lett. B 500 (2001) 22-36 Fulltext: arXiv:hep-ex_0103015 - PDF; cer-2234586 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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6.
Measurement of the ZZ cross-section in $e^+ e^-$ interactions at 183-189 GeV / DELPHI Collaboration
Measurements of on-shell $ZZ$ production are described, using data collected by DELPHI in 1997 and 1998, at centre-of-mass energies $\sqrt s$ = 182.6 GeV and 188.6 GeV respectively. Results obtained in each of the final states $q \bar{q} q \bar{q}$, $\mu^+ \mu^- q \bar{q}$, $e^+e^- q \bar{q}$, $\nu \bar{\nu} q \bar{q}$, $l^+l^-l^+l^-$, and $\nu \bar{\nu} l^+l^-$ are presented. [...]
hep-ex/0103004; CERN-EP-2000-089; CERN-EP-2000-089.- Geneva : CERN, 2001 - 18 p. - Published in : Phys. Lett. B 497 (2001) 199-213 Fulltext: arXiv:hep-ex_0103004 - PDF; ep-2000-089 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 404 - Please contact the library if you need to access this document.
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7.
Search for the sgoldstino at $\sqrt{s}$ from 189 to 202 GeV / DELPHI Collaboration
A search for the supersymmetric partner of the goldstino, the sgoldstino S, at LEP2 is presented. The production S$\gLWahlen, H
hep-ex/0102044; CERN-EP-2000-110; CERN-EP-2000-110.- Geneva : CERN, 2000 - 15 p. - Published in : Phys. Lett. B 494 (2000) 203 Fulltext: ep-2000-110 - PDF; arXiv:hep-ex_0102044 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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8.
Study of $B^0_s - \overline{B^0_s}$ oscillations and $B^0_s$ lifetimes using hadronic decays of $B^0_s$ mesons / DELPHI Collaboration
The combination of these results with those obtained using $\mathrm{\rm{D}_{s}^{\pm}} \ell^{\mp}$ sample gives: %\cite{ref:dsl} \bes \ba{c} \dms > 4.9~\mbox{ps}^{-1}~\mbox{at the 95\% C.L.} \\ \mbox{$\mathrm{with~ a~ sensitivity~ of}$}~\dms = 8.7~\mbox{ps}^{-1}. \ea \ees \begin{center} $\tau_{\Bs} = 1.46\pm{0.11}~\mathrm{ps}~$ and $~\dgbs < 0.45~\mbox{at the 95\% C.L.}$
hep-ex/0105077; CERN-EP-2000-087; CERN-EP-2000-087.- Geneva : CERN, 2000 - 42 p. - Published in : Eur. Phys. J. C 18 (2000) 229-252 Fulltext: arXiv:hep-ex_0105077 - PDF; ep-2000-087 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
Search for supersymmetric partners of top and bottom quarks at $\sqrt{s}$= 189 GeV / DELPHI Collaboration
Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb^{-1} and 158 pb^{-1}. [...]
hep-ex/0103034; CERN-EP-2000-095; CERN-EP-2000-095.- Geneva : CERN, 2000 - 21 p. - Published in : Phys. Lett. B 496 (2000) 59-75 Fulltext: 0103034 - PDF; arXiv:hep-ex_0103034 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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10.
Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV / DELPHI Collaboration
A test of the QED process \eeintogg(\fot) is reported. The data analysed were collected with the DELPHI detector in 1998 and 1999 at the highest ener\-gies achieved at LEP, reaching 202 GeV in the centre-of-mass. [...]
hep-ex/0103005; CERN-EP-2000-094; CERN-EP-2000-094.- Geneva : CERN, 2000 - 18 p. - Published in : Phys. Lett. B 491 (2000) 67-80 Fulltext: arXiv:hep-ex_0103005 - PDF; ep-2000-094 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 395 - Please contact the library if you need to access this document.
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