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CERN Document Server 2,041 records found  1 - 10nextend  jump to record: Search took 1.58 seconds. 
1.
(100)
Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events / DELPHI Collaboration
Lifetime and oscillations of $\Bs$ mesons have been studied in eventswith a large transverse momentum lepton and a $\Ds$ of opposite electric charge>the same hemisphere, selected from about 3.6 million hadronic $\Zz$decays accumulated by DELPHI between 1992 and 1995. \\The $\Bs$ lifetime and the fractional width difference between the two physical>
hep-ex/0107077; CERN-EP-2000-043; CERN-EP-2000-043.- Geneva : CERN, 2000 - 47 p. - Published in : Eur. Phys. J. C 16 (2000) 555-578 Fulltext: ep-2000-043 - PDF; arXiv:hep-ex_0107077 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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2.
(90)
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.
(89)
A Precise Measurement of the Tau Lifetime / DELPHI Collaboration
The tau lepton lifetime has been measured with the e+e- -> tau+tau- events collected by the DELPHI detector at LEP in the years 1991-1995. Three different methods have been exploited, using both one-prong and three-prong tau decay channels. [...]
hep-ex/0410010; CERN-EP-2003-070; CERN-EP-2003-070.- Geneva : CERN, 2004 - 27 p. - Published in : Eur. Phys. J. C 36 (2004) 283-296 Fulltext: ep-2003-070 - PDF; arXiv:hep-ex_0410010 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
(88)
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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5.
(87)
Midrapidity antiproton-to-proton ratio in pp collisions at $\sqrt{s} = 0.9$ and $7$~TeV measured by the ALICE experiment / ALICE collaboration
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at $\sqrt{s} = 0.9$ and $7$~TeV during the initial running periods of the Large Hadron Collider(LHC). The measurement covers the transverse momentum interval $0.45 < p_{\rm{t}} < 1.05$~GeV/$c$ and rapidity $|y| < 0.5$. [...]
arXiv:1006.5432.- 2010 - 12 p. - Published in : Phys. Rev. Lett. 105 (2010) 072002 APS Open Access article: PDF; Fulltext: PDF; External link: DURHAM
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6.
(87)
Search for neutralino pair production at $\sqrt{s}$ = 189 GeV / DELPHI Collaboration
A search for pair-production of neutralinos at a LEP centre-of-mass energy of 189 GeV gave no evidence for a signal. This limits the neutralino production cross-section and excludes regions in the parameter space of the Minimal Supersymmetric Standard Model (MSSM)..
hep-ex/0102034; CERN-EP-2000-133; CERN-EP-2000-133.- Geneva : CERN, 2001 - 23 p. - Published in : Eur. Phys. J. C 19 (2001) 201-212 Fulltext: ep-2000-133 - PDF; arXiv:hep-ex_0102034 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
(86)
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.
(85)
Identified Charged Particles in Quark and Gluon Jets / DELPHI Collaboration
A sample of 2.2 million hadronic \z decays, selected fythe {\sc Delphi} detector at {\sc Lep} during 1994-199nimprovedmeasurement of inclusive distributions of \pie, \kp anrantiparticles in gluon and quark jets. The production l identified particles were found to be softer in gluon kjets, with a higher multiplicity in gluon jets as obseecharged particles. [...]
hep-ex/0106063; CERN-EP-2000-007; CERN-EP-2000-007.- Geneva : CERN, 2000 - 26 p. - Published in : Eur. Phys. J. C 17 (2000) 207-222 Fulltext: ep-2000-007_version1 - PDF; ep-2000-007_version3 - PDF; ep-2000-007_version2 - PDF; arXiv:hep-ex_0106063 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
(85)
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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10.
(85)
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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