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CERN Document Server 找到 2,046 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.71 秒. 
1.
(100)
Measurement of the $e^+ e^- \to W^+ W^-$ cross section and W decay branching fractions at LEP / OPAL Collaboration
From a total data sample of 701.1 pb^-1 recorded with e+e- centre-of-mass energies of sqrt = 161-209 GeV with the OPAL detector at LEP, 11693 W-pair candidate events are selected. These data are used to obtain measurements of the W-pair production cross sections at 10 different centre-of-mass energies. [...]
arXiv:0708.1311; CERN-PH-EP-2007-027; OPAL-PR-424; CERN-PH-EP-2007-027.- Geneva : CERN, 2007 - 33 p. - Published in : Eur. Phys. J. C 52 (2007) 767-785 Fulltext: phep-2007-027 - PDF; arXiv:0708.1311 - PDF; External link: DURHAM
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2.
(91)
$W^{+}W^{-}$ Production Cross Section and W Branching Fractions in $e^{+}e^{-}$ Collisions at 189 GeV / OPAL Collaboration
From a data sample of 183 pb^-1 recorded at a center-of-mass energy of roots = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard Model W boson decay branching fractions, the W-pair production cross section is measured to be sigmaWW = 16.30 +- 0.34(stat.) +- 0.18(syst.) pb. [...]
hep-ex/0009019; CERN-EP-2000-101; CERN-EP-2000-101.- Geneva : CERN, 2000 - 19 p. - Published in : Phys. Lett. B 493 (2000) 249-265 Fulltext: arXiv:hep-ex_0009019 - PDF; 0009019 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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3.
(80)
$W^{+}W^{-}$ production and triple gauge boson couplings at LEP energies up to 183 GeV / OPAL Collaboration
A study of W-pair production in e+e- annihilations at Lep2 is presented, based on 877 W+W- candidates corresponding to an integrated luminosity of 57 pb-1 at sqrt(s) = 183 GeV. Assuming that the angular distributions of the W-pair production and decay, as well as their branching fractions, are described by the Standard Model, the W-pair production cross-section is measured to be 15.43 +- 0.61 (stat.) +- 0.26 (syst.) pb. [...]
hep-ex/9811028; CERN-EP-98-167; CERN-EP-98-167.- Geneva : CERN, 1999 - 49 p. - Published in : Eur. Phys. J. C 8 (1999) 191-215 Fulltext: 9811028 - PDF; arXiv:hep-ex_9811028 - PDF; External link: DURHAM - Please contact the library if you need to access this document.
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4.
(79)
Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}$= 189 GeV / L3 Collaboration
The data collected by the L3 experiment at LEP at a centre-of-mass energy of $188.6~\rm{Ge\kern -0.1em V}$ are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data correspond to an integrated luminosity of 176.8~pb$^{-1}$. [...]
hep-ex/0008026; CERN-EP-2000-104; CERN-EP-2000-104; CERN-L3-218.- Geneva : CERN, 2000 - 22 p. - Published in : Phys. Lett. B 496 (2000) 19-33 Fulltext: arXiv:hep-ex_0008026 - PDF; ep-2000-104 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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5.
(72)
Measurement of W-pair production in $e^{+}e^{-}$ collisions at 183 GeV / ALEPH Collaboration
The production of W+W- pairs is analysed in a data sample collected by ALEPH at a mean centre-of-mass energy of 182.7 GeV, corresponding to an integrated luminosity of 57 pb-1. Cross sections are given for different topologies of W decays into leptons or hadrons. [...]
hep-ex/9903053; CERN-EP-99-035; CERN-EP-99-35; CERN-EP-99-035.- Geneva : CERN, 1999 - 18 p. ALEPH Papers - Published in : Phys. Lett. B 453 (1999) 107-120 Fulltext: arXiv:hep-ex_9903053 - PDF; ep-99-035 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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6.
(66)
Measurement of the W-pair Production Cross-section and W Branching Ratios in $e^+ e^-$ Collisions at $\sqrt{s}$ = 161-209 GeV / DELPHI Collaboration
These final results on e+e- -> W+W- production cross-section measurements at LEP2 use data collected by the DELPHI detector at centre-of-mass energies up to 209 GeV. Measurements of total cross-sections, W angular differential distributions and decay branching fractions, and the value of the CKM element |V_{cs}| are compared to the expectations of the Standard Model. [...]
hep-ex/0403042; CERN-EP-2003-071; CERN-EP-2003-071.- Geneva : CERN, 2004 - 33 p. - Published in : Eur. Phys. J. C 34 (2004) 127-144 Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
(64)
Measurement of W-pair production in $e^{+}e^{-}$ collisions at 189 GeV / ALEPH Collaboration
The production of W-pairs is analysed in a data samplecollected by ALEPH at a mean centre-of-mass energy of 188.6 GeV,corresponding to an integrated luminosity of 174.2 pb^-1. Crosssections are given for different topologies of W decays intoleptons or hadrons. [...]
hep-ex/0005043; CERN-EP-2000-052; CERN-ALEPH-99-064; CERN-EP-2000-052.- Geneva : CERN, 2000 - 18 p. ALEPH Papers - Published in : Phys. Lett. B 484 (2000) 205-217 Fulltext: arXiv:hep-ex_0005043 - PDF; ep-2000-052 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 146 - Please contact the library if you need to access this document.
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8.
(64)
W pair production cross-section and W branching fractions in $e^{+}e^{-}$ interactions at 189 GeV / DELPHI Collaboration
The cross-section for the process $e^+e^-\rightarrow W^+W^-$has been measured with the data sample collected by DELPHIat an average centre-of-mass energy of 189~GeV andcorresponding to an integrated luminosity of 155~pb$^{-1}$. Based on the 2392 events selected as $WW$ candidates, the croedoubly resonant process $e^+e^-\rightarrow W^+W^-$ has been me$15.83 \pm 0.38~\mbox{(stat)} \pm 0.20~\mbox{(syst)~pb}$.The branching fractions of the $W$ decay were also measured ato be in good agreement with the Standard Model expectation.From these a value of the CKM mixing matrix element$ |V_{cs}| = 1.001 \pm 0.040~\mbox{(stat)} \pm 0.020~\mbox{(s$was derived..
hep-ex/0103013; CERN-EP-2000-035; CERN-EP-2000-035.- Geneva : CERN, 2000 - 16 p. - Published in : Phys. Lett. B 479 (2000) 89-100 Fulltext: ep-2000-035 - PDF; arXiv:hep-ex_0103013 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
(62)
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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10.
(61)
Measurement of Mass and Width of the W Boson at LEP / L3 Collaboration
We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e+e- interactions between 161 GeV and 183 GeV centre-of-mass energy are selected in a data sample corresponding to a total luminosity of 76.7 pb-1. [...]
hep-ex/9909010; CERN-EP-99-017; CERN-EP-99-17; CERN annual report 1999-3.0754; CERN-EP-99-017; CERN-L3-171.- Geneva : CERN, 1999 - 21 p. - Published in : Phys. Lett. B 454 (1999) 386-98 Fulltext: ep-99-017 - PDF; arXiv:hep-ex_9909010 - PDF; - Please contact the library if you need to access this document.
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