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CERN Document Server 91 registres trobats  1 - 10següentfinal  anar al registre: La cerca s'ha fet en 0.62 segons. 
1.
The UV Laser Calibration System of the L3 Experiment at LEP and Studies for Future Development of this Method / Fabbretti, R
Geneva : CERN, 1992.
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2.
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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3.
Study of the structure of hadronic events and determination of $\alpha_{s}$ at $\sqrt{s}$ = 130 GeV and 136 GeV / L3 Collaboration
We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb-1 collected during the high energy run of 1995. [...]
CERN-PPE-95-192; CERN-L3-091.- Geneva : CERN, 1996 - 20 p. - Published in : Phys. Lett. B 371 (1996) 137-148 Fulltext: PDF;
In : 9th Annual Meeting of the Division of Particles and Fields of the American Physical Society, v.1-2, Minneapolis, MN, USA, 11 - 15 Aug 1996, pp.333-336 (short version) - Please contact the library if you need to access this document.
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4.
Measurement of hadron and lepton-pair production at 130 GeV $<$ $\sqrt{s}$ $<$ 140 GeV at LEP / L3 Collaboration
We report on the first measurements of e+e- annihilations into hadrons and lepton pairs at center-of-mass energies between 130 GeV and 140 GeV. In a total luminosity of 5 pb-1 collected with the L3 detector at LEP we select 1577 hadronic and 401 lepton-pair events. [...]
CERN-PPE-95-191; CERN-L3-090.- Geneva : CERN, 1996 - 27 p. - Published in : Phys. Lett. B 370 (1996) 195-210 Fulltext: PDF; - Please contact the library if you need to access this document.
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5.
Search for excited leptons in $e^{+} e^{-}$ annihilation at $\sqrt {s}$ = 130 - 140 GeV / L3 Collaboration
We report on a search for the excited leptons e^*,mu^*,tau^* and nu^* in e+e- collisions at sqrt{s} = 130 - 140 GeV using the L3 detector at LEP. No evidence has been found for their existence. [...]
CERN-PPE-95-190; CERN-L3-092.- Geneva : CERN, 1996 - 16 p. - Published in : Phys. Lett. B 370 (1996) 211-221 Fulltext: PDF;
In : 9th Annual Meeting of the Division of Particles and Fields of the American Physical Society, v.1-2, Minneapolis, MN, USA, 11 - 15 Aug 1996, pp.296-300 (short version) - Please contact the library if you need to access this document.
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6.
Measurement of $\eta$ production in two and three-jet events from hadronic Z decays at LEP / L3 Collaboration
The inclusive production of \eta mesons has been studied using 1.6 million hadronic Z decays collected with the L3 detector. The \eta multiplicity per event, the multiplicity for two-jet and three-jet events separately, and the multiplicity in each jet have been measured and compared with the predictions of different Monte Carlo programs. [...]
CERN-PPE-95-182; CERN-L3-089.- Geneva : CERN, 1996 - 20 p. - Published in : Phys. Lett. B 371 (1996) 126-136 Access to fulltext document: PDF;
In : 25th International Symposium on Multiparticle Dynamics, Stará Lesná, Slovakia, 12 - 16 Sep 1995, pp.528-536 - Please contact the library if you need to access this document.
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7.
Search for the decays B$_{d}^{0}$ --> $\gamma\gamma$ and B$_{s}^{0}$ --> $\gamma\gamma$ / L3 Collaboration
A search for the decays \Bdsgg in 2.95 million hadronic \rm Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: \Brdgg < 3.9\times 10^{-5} and \Brsgg < 14.8\times 10^{-5} at 90\% CL. [...]
CERN-PPE-95-136; CERN-L3-087.- Geneva : CERN, 1995 - 13 p. - Published in : Phys. Lett. B 363 (1995) 137-144 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
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8.
Study of the K$^{0}_{s}$K$^{0}_{s}$ final state in two-photon collisions / L3 Collaboration
The reaction \epem\ra\epem\gamma^*\gamma^*\ra\epem\kos\kos is studied with the L3 detector at LEP and the formation of the f_2\, \!\!\!'(1525) resonance is observed. For an integrated luminosity of 114 \pb, % \ collected over the years 1991-1994, 31\pm6 f_2\, \!\!\!' events are found. [...]
CERN-PPE-95-118; CERN-L3-085.- Geneva : CERN, 1995 - 15 p. - Published in : Phys. Lett. B 363 (1995) 118-126 Fulltext: PDF; - Please contact the library if you need to access this document.
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9.
Search for neutral charmless B decays at LEP / L3 Collaboration
A search for rare charmless decays of \Bd and \Bs mesons has been performed in the exclusive channels \Bd_{(\mathrm s)}\ra\eta\eta, \Bd_{(\mathrm s)}\ra\eta\pio and \Bd_{(\mathrm s)}\ra\pio\pio. The data sample consisted of three million hadronic \Zo decays collected by the L3 experiment at LEP from 1991 through 1994. [...]
CERN-PPE-95-124; CERN-L3-086.- Geneva : CERN, 1995 - 15 p. - Published in : Phys. Lett. B 363 (1995) 127-136 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
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10.
One-prong $\tau$ decays with neutral kaons / L3 Collaboration
CERN-PPE-95-42; CERN-L3-083.- Geneva : CERN, 1995 - 17 p. - Published in : Phys. Lett. B 352 (1995) 487-497 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
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