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CERN Document Server 2,045 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 1.49 секунд. 
1.
(100)
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.
(91)
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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3.
(91)
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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4.
(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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5.
(85)
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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6.
(85)
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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7.
(85)
Search for Charged Higgs Bosons at LEP in General Two Higgs Doublet Models / DELPHI Collaboration
A search for pair-produced charged Higgs bosons was performed in the data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189 GeV to 209 GeV. Five different final states, tau+ nu_tau tau- anti-nu_tau, c sbar cbar s, c sbar tau- anti-nu_tau, W* A W* A and W* A tau- anti-nu_tau were considered, accounting for the major expected decays in type I and type II Two Higgs Doublet Models. [...]
hep-ex/0404012; CERN-EP-2003-064; CERN-EP-2003-064.- Geneva : CERN, 2004 - 42 p. - Published in : Eur. Phys. J. C 34 (2004) 399-418 Fulltext: 0404012 - PDF; arXiv:hep-ex_0404012 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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8.
(85)
Study of Tau-pair Production in Photon-Photon Collisions at LEP and Limits on the Anomalous Electromagnetic Moments of the Tau Lepton / DELPHI Collaboration
Tau-pair production in the process e+e- -> e+e-tau+tau- was studied using data collected by the DELPHI experiment at LEP2 during the years 1997 - 2000. The corresponding integrated luminosity is 650 pb^{-1}. [...]
hep-ex/0406010; CERN-EP-2003-058; CERN-EP-2003-058.- Geneva : CERN, 2004 - 20 p. - Published in : Eur. Phys. J. C 35 (2004) 159-170 Fulltext: 0406010 - PDF; arXiv:hep-ex_0406010 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
(83)
ZZ production in $e^{+}e^{-}$ interactions at $\sqrt{s}$ = 183 - 209 GeV / DELPHI Collaboration
Measurements of on-shell ZZ production are described, using data from the DELPHI experiment at LEP in e+e- collisions at centre-of-mass energies between 183 and 209 GeV, corresponding to an integrated luminosity of about 665 pb^{-1}. Results obtained in each of the final states q anti-q q anti-q, nu anti-nu q anti-q, mu+ mu- q anti-q, e+ e- q anti-q, tau+ tau- q anti-q, l+ l- l+ l-, and nu anti-nu l+ l- (with l=e,mu) are presented. [...]
hep-ex/0307050; CERN-EP-2003-009; CERN-EP-2003-009.- Geneva : CERN, 2003 - 35 p. - Published in : Eur. Phys. J. C 30 (2003) 447-466 Fulltext: 0307050 - PDF; arXiv:hep-ex_0307050 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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10.
(83)
A Measurement of the Tau Hadronic Branching Ratios / DELPHI Collaboration
The exclusive and semi-exclusive branching ratios of the tau lepton hadronic decay modes (h- v_t, h- pi0 v_t, h- pi0 pi0 v_t, h- \geq 2pi0 v_t, h- \geq 3pi0 v_t, 2h- h+ v_t, 2h- h+ pi0 v_t, 2h- h+ \geq 2pi0 v_t, 3h- 2h+ v_t and 3h- 2h+ \geq 1pi0 v_t) were measured with data from the DELPHI detector at LEP..
hep-ex/0603044; CERN-PH-EP-2004-046; CERN-PH-EP-2004-046; DELPHI-2005-016-CONF-736.- Geneva : CERN, 2006 - 53 p. - Published in : Eur. Phys. J. C 46 (2006) 1-26 Fulltext: 0603044 - PDF; arXiv:hep-ex_0603044 - PDF; phep-2004-046 - PDF; External link: Preprint
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