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CERN Document Server 找到 49 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.50 秒. 
1.
Search for Charged Higgs Bosons in $e^{+} e^{-}$ Collisions at $\sqrt{s}$=189-202 GeV / DELPHI Collaboration
A search for pair-produced charged Higgs bosons was performed in the high energy data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189~GeV to 202~GeV\@. The three different final states, $\tau \nu \tau \nu$, $c \bar s \bar c s$ and $c \bar s \tau \nu$ were considered. [...]
hep-ex/0201023; CERN-EP-2001-062; CERN-EP-2001-062.- Geneva : CERN, 2002 - 18 p. - Published in : Phys. Lett. B 525 (2002) 17-28 Fulltext: S0370269301012825 - XML; ep-2001-062 - PDF; arXiv:hep-ex_0201023 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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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.
Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV / DELPHI Collaboration
The cross-sections for the production of single charged and neutral intermediate vector bosons were measured using integrated luminosities of 52~pb$^{-1}$ and 154~pb$^{-1}$ collected by the DELPHI experiment at centre-of-mass energies of 182.6~GeV and 188.6~GeV, respectively. The cross-sections for the reactions were determined in limited kinematic regions. [...]
hep-ex/0107067; CERN-EP-2001-033; CERN-EP-2001-033.- Geneva : CERN, 2001 - 18 p. - Published in : Phys. Lett. B 515 (2001) 238 Fulltext: ep-2001-033 - PDF; ep-2001-033_paper0278 - PS.GZ; arXiv:hep-ex_0107067 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 399 - Please contact the library if you need to access this document.
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4.
A Measurement of the Tau Topological Branching Ratios / DELPHI Collaboration
Using data collected in the DELPHI detector at LEP-1, measurements of the inclusive tau branching ratios for decay modes containing one, three, or five charged particles have been performed, giving the following results: B_1 = B(\tau^- -> (particle)^- \geq 0pi^0 \geq 0K^0 \nu_\tau(\bar{\nu})) = (85.316 +/- 0.093 +/- 0.049)%; B_3 = B(\tau^- -> 2h^-h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (14.569 +/- 0.093 +/- 0.048)%; B_5 = B(\tau^- -> 3h^-2h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (0.115 +/- 0.013 +/- 0.006)%, where h is either a charged pi or K meson. The first quoted uncertainties are statistical and the second systematic..
hep-ex/0105047; CERN-EP-2001-030; CERN-DELPHI-2001-091-CONF-519; CERN-EP-2001-030; DELPHI-2001-091-CONF-519.- Geneva : CERN, 2001 - 32 p. - Published in : Eur. Phys. J. C 20 (2001) 617-637 Fulltext: 0105047 - PDF; arXiv:hep-ex_0105047 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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5.
Measurement of the Mass and Width of the W Boson in $e^+ e^-$ Collisions at $\sqrt{s}$ = 189 GeV / DELPHI Collaboration
A measurement of the W mass and width has been performed by the DELPHI collaboration using the data collected during 1998. The data sample has an integrated luminosity of 155 pb^{-1} and an average centre-of-mass energy of 188.6 GeV. [...]
hep-ex/0104047; CERN-EP-2001-029; CERN-EP-2001-029.- Geneva : CERN, 2001 - 24 p. - Published in : Phys. Lett. B 511 (2001) 159 Fulltext: arXiv:hep-ex_0104047 - PDF; 0104047 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 402 - Please contact the library if you need to access this document.
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6.
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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7.
Search for a fermiophobic Higgs at LEP 2 / DELPHI Collaboration
Higgs bosons predicted by the fermiophobic scenario within Two Higgs Doublets Models were searched for in the data collected by the DELPHI detector at centre-of-mass energies between 189 GeV and 202 GeV, corresponding to a total integrated luminosity of 380 pb^{-1}. No signal was found and confidence limits were derivedwska, Agni
hep-ex/0104025; CERN-EP-2001-013; CERN-EP-2001-013.- Geneva : CERN, 2001 - 19 p. - Published in : Phys. Lett. B 507 (2001) 89-103 Fulltext: arXiv:hep-ex_0104025 - PDF; 0104025 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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8.
Update of the search for supersymmetric particles in scenarios with Gravitino LSP and Sleptons NLSP / DELPHI Collaboration
An update of the search for sleptons, neutralinos and charginos in the context of scenarios where the lightest supersymmetric particle is the gravitino and the next-to-lightest supersymmetric particle is a slepton, is presented, together with the update of the search for heavy stable charged particles in light gravitino scenarios and Minimal Supersymmetric Standard Models. Data collected in 1999 with the DELPHI detector at centre-of-mass energies around 192, 196, 200 and 202 GeV were analysed. [...]
hep-ex/0102038; CERN-EP-2001-011; CERN-EP-2001-011.- Geneva : CERN, 2001 - 21 p. - Published in : Phys. Lett. B 503 (2001) 34-48 Fulltext: ep-2001-011 - PDF; arXiv:hep-ex_0102038 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
Measurement of Trilinear Gauge Boson Couplings $WWV, (V \equiv Z, \gamma)$ in $e^+ e^-$ Collisions at 189 GeV / DELPHI Collaboration
Measurements of the trilinear gauge boson couplings $WW\gamma$ and $WWZ$ are presented using the data taken by DELPHI in 1998 at a centre-of-mass energy of 189~GeV and combined with DELPHI data at 183~GeV. Values are determined for \Dgz\ and \Dkg, the differences of the $WWZ$ charge coupling and of the $WW\gamma$ dipole coupling from their Standard Model values, and for \lm, the $WW\gamma$ quadrupole coupling. [...]
hep-ex/0102041; CERN-EP-2001-006; CERN-EP-2001-006.- Geneva : CERN, 2001 - 20 p. - Published in : Phys. Lett. B 502 (2001) 9-23 Fulltext: arXiv:hep-ex_0102041 - PDF; ep-2001-006 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 372 - Please contact the library if you need to access this document.
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10.
Search for the Standard Model Higgs boson at LEP in the year 2000 / DELPHI Collaboration
Searches for the Standard Model Higgs boson have been performed in the data collected by the DELPHI experiment at LEP in the year 2000 at centre-of-mass energies between 200 and 209~\mbox{${\mathrm{GeV}} $} corresponding to a total integrated \mbox{luminosity} of 224~\mbox{pb$^{-1}$}. No evidence for a Higgs signal is observed in the kinematically accessible mass range, and a 95\% CL lower mass limit of 114.3~\mbox{${\mathrm{GeV}}/c ^2 $} is set, to be compared with an expected median limit of 113.5~\mbox{${\mathrm{GeV}}/c^2 $} for these data..
hep-ex/0102036; CERN-EP-2001-004; CERN-EP-2001-004.- Geneva : CERN, 2001 - 19 p. - Published in : Phys. Lett. B 499 (2001) 23-37 Fulltext: arXiv:hep-ex_0102036 - PDF; ep-2001-004 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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