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CERN Document Server 141 elementer funnet  1 - 10nesteslutt  gå til element: Søket tok 0.56 sekunder. 
1.
Photon structure functions and azimuthal correlations of lepton pairs in tagged $\gamma\gamma$ collisions / L3 Collaboration
Measurements of the QED structure of the photon based on the reaction ee to ee gamma /sup (*)/(P/sup 2/) gamma *(Q/sup 2/) to ee mu mu are discussed. This review is an update of the discussion of the results on the QED structure of the photon and covers the published measurements of the photon structure functions F/sub 2//sup gamma /, F/sub A//sup gamma / and F/sub B//sup gamma / and of the differential cross-section d sigma /dx for the exchange of two virtual photons. [...]
CERN-EP-98-060; CERN-L3-147.- Geneva : CERN, 1998 - Published in : Phys. Lett. B 438 (1998) 363 Fulltext: PDF; - Please contact the library if you need to access this document.
Detaljert visning - Lignende elementer
2.
Hadrons at LEP / L3 Collaboration
1999 - Published in : Phys. Lett. B 453 (1999) 333-42
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3.
$\chi_{c2}$ formation in two-photon collisions at LEP / L3 Collaboration
1999 - Published in : Phys. Lett. B 453 (1999) 73-82
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4.
A Direct determination of the number of light neutrino families from $e^+ e^- \to$ neutrino antineutrino $\gamma$ at LEP / L3 Collaboration
CERN-L3-035.- Geneva : CERN, 1992 - Published in : Phys. Lett. B 275 (1992) 209-221
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5.
Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 183 GeV / L3 Collaboration
We report the result of a search for scalar leptons in $\mathrm{ e^+ e^-}$ collisions at 183 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 55.2 pb$^{-1}$. [...]
CERN-EP-99-024; CERN-L3-172.- Geneva : CERN, 1999 - 18 p. - Published in : Phys. Lett. B 456 (1999) 283-96 Fulltext: PDF; - Please contact the library if you need to access this document.
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6.
Search for R-parity Violating Chargino and Neutralino Decays in $e^+ e^-$ Collisions up to $\sqrt{s}$= 183 GeV / L3 Collaboration
A search for chargino and neutralino pair production in $\mathrm{ e^+e^-}$ collisions at center-of-mass energies between 161~\textrm{Ge\kern -0.1em V} and 183~\textrm{Ge\kern -0.1em V} is performed under the assumptions that R-parity is not conserved and that only purely leptonic or hadronic R-parity violating decays are allowed. No signal is found in the data. [...]
CERN-EP-99-023; CERN-L3-173.- Geneva : CERN, 1999 - 20 p. - Published in : Phys. Lett. B 459 (1999) 354-366 Fulltext: PDF; - Please contact the library if you need to access this document.
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7.
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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8.
Study of Neutral-Current Four-Fermion and ZZ Production in $e^+ e^-$ Collisions at $\sqrt{s}$= 183 GeV / L3 Collaboration
Study of Neutral--Current Four--Fermion and ZZ \\ Production in $\rm e^+ e^-$ Collisions at $\rm \sqrt{s}=$ 183 GeV A study of neutral--current four--fermion processes is performed using a data sample corresponding to 55.3~pb$^{-1}$ of integrated luminosity collected by the L3 detector at LEP at an average centre--of--mass energy of $183~\GeV$. The neutral--current four--fermion cross sections for final states with a pair of charged leptons plus jets and with four charged leptons are measured to be consistent with the Standard Model predictions. [...]
CERN-EP-98-206; CERN-L3-169.- Geneva : CERN, 1999 - 23 p. - Published in : Phys. Lett. B 450 (1999) 281-93 Fulltext: PDF; - Please contact the library if you need to access this document.
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9.
Measurement of the cross-section for the process $\gamma^* \gamma^* \to$ hadrons at LEP / L3 Collaboration
Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 183 GeV are presented. The double-tag events, collected with the L3 detector, correspond to integrated luminosities of 140 pb-1 at 91 GeV and 52 pb-1 at 183 GeV. [...]
CERN-EP-98-205; CERN-L3-168.- Geneva : CERN, 1999 - 16 p. - Published in : Phys. Lett. B 453 (1999) 333-342 Fulltext: PDF; - Please contact the library if you need to access this document.
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10.
Heavy Quarkonium Production in Z Decays / L3 Collaboration
We report measurements of the inclusive production of heavy quarkonium states in $\mathrm {Z}$ decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The measurement of inclusive J production and an improved $95\%$ confidence level upper limit on $\Upsilon$ production are presented [...]
CERN-EP-98-204; CERN-L3-167.- Geneva : CERN, 1999 - 18 p. - Published in : Phys. Lett. B 453 (1999) 94 Fulltext: PDF; - Please contact the library if you need to access this document.
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