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CERN Document Server 2,045 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 1.67 секунд. 
1.
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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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2.
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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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3.
(71)
Search for $\mbox{B}^0_s- \overline{\mbox{B}^0_s}$ oscillations and a measurement of $\mbox{B}^0_d-\overline{\mbox{B}^0_d}$ oscillations using events with an inclusively reconstructed vertex / DELPHI Collaboration
Neutral B meson oscillations in the B0_s - anti-B0_s and B0_d - anti-B0_d systems were studied using a sample of about 4.0 million hadronic Z decays recorded by the DELPHI detector between 1992 and 2000. Events with a high transverse momentum lepton were removed and a sample of 770 k events with an inclusively reconstructed vertex was selected. [...]
hep-ex/0303032; CERN-EP-2002-078; CERN-EP-2002-078.- Geneva : CERN, 2003 - 34 p. - Published in : Eur. Phys. J. C 28 (2003) 155-173 Fulltext: ep-2002-078 - PDF; 0303032 - PDF; arXiv:hep-ex_0303032 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
(63)
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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5.
(62)
An updated study of B meson oscillations using dilepton events / OPAL Collaboration
This paper reports a study of B meson oscillations using hadronic Z^0 decays with two identified leptons, and updates a previous publication by including data collected in 1994. Decay times are reconstructed for each of the semileptonic B decays by forming vertices which include the lepton and by estimating the B meson momentum. [...]
hep-ex/9707010; CERN-PPE-97-064; CERN-PPE-97-64; CERN-PPE-97-064.- Geneva : CERN, 1997 - 18 p. - Published in : Z. Phys. C 76 (1997) 417-423 Fulltext: arXiv:hep-ex_9707010 - PDF; 9707010 - PDF; External link: hep-ex/9707010 PDF - Please contact the library if you need to access this document.
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6.
(61)
Search for Spontaneous R-parity violation at $\sqrt{s}$ = 183 GeV and 189 GeV / DELPHI Collaboration
Searches for spontaneous $R$-parity violating signals at $\sqrt{s}=183$\,GeV and \mbox{$\sqrt{s}=189$\,GeV} have been performed using 1997 and 1998 DELPHI data, under the assumption of $R$-parity breaking in the third lepton family. The expected topology for the decay of a pair of charginos into two acoplanar taus plus missing energy was investigated and no evidence for a signal was found. [...]
hep-ex/0102045; CERN-EP-2000-124; CERN-EP-2000-124.- Geneva : CERN, 2001 - 17 p. - Published in : Phys. Lett. B 502 (2001) 24-36 Fulltext: ep-2000-124 - PDF; arXiv:hep-ex_0102045 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
(60)
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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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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9.
(58)
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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Search for $B^{0}_{s}-\overline{B^{0}_{s}}$ oscillations in DELPHI using high-$p_{t}$ leptons / DELPHI Collaboration
Oscillations in the $\mbox{B}^0_s$-$\overline{\mbox{B}^0_s}$ system were studied in events selected from about 4.3 million hadronic Z$^0$ decays registered by DELPHI between 1992 and 2000.\\ This paper presents updates of two published analyses. The first analysis, which utilizes leptons emitted with large momentum transverse to a jet, was improved by means of a better algorithm for the vertex reconstuction and a new algorithm for flavour-tagging at production time [...]
hep-ex/0404013; CERN-EP-2003-089; CERN-EP-2003-089.- Geneva : CERN, 2004 - 36 p. Fulltext: arXiv:hep-ex_0404013 - PDF; 0404013 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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