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CERN Document Server Pronađeno je 2,051 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.98 sekundi 
1.
(100)
Hadrons at LEP / L3 Collaboration
1999 - Published in : Phys. Lett. B 453 (1999) 333-42
Detaljnije - Slični zapisi
2.
(91)
$\chi_{c2}$ formation in two-photon collisions at LEP / L3 Collaboration
1999 - Published in : Phys. Lett. B 453 (1999) 73-82
Detaljnije - Slični zapisi
3.
(75)
Upper limit on the lifetime difference of short- and long-lived $B^0_s$ mesons / L3 Collaboration
An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3 experiment at LEP. A lifetime fit has been performed on data samples separately enriched in neutral and charged b hadrons. [...]
CERN-EP-98-127; CERN-L3-159.- Geneva : CERN, 1998 - 17 p. - Published in : Phys. Lett. B 438 (1998) 417-429 Fulltext: PDF; - Please contact the library if you need to access this document.
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4.
(75)
Measurement of the Michel parameters and the average $\tau$-neutrino helicity from $\tau$ decays at LEP / L3 Collaboration
Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp, ~\ttr ~and their charge conjugates were considered. [...]
CERN-EP-98-123; CERN-L3-156.- Geneva : CERN, 1998 - 15 p. - Published in : Phys. Lett. B 438 (1998) 405 Fulltext: PDF; - Please contact the library if you need to access this document.
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5.
(74)
Measurement of the effective weak mixing angle by jet-charge asymmetry in hadronic decays of the Z boson / L3 Collaboration
The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet ry is measured by means of a jet charge technique [...]
CERN-EP-98-134; CERN-L3-157.- Geneva : CERN, 1998 - 20 p. - Published in : Phys. Lett. B 439 (1998) 225 Fulltext: PDF; - Please contact the library if you need to access this document.
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6.
(74)
Test of CP invariance in $Z \to \mu^+ \mu^- \gamma$ decay / L3 Collaboration
We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP violation in the reaction $\mathrm{e^+e^-}\rightarrow\mu^+\mu^-\gam ma$. [...]
CERN-EP-98-100; CERN-L3-151.- Geneva : CERN, 1998 - 11 p. - Published in : Phys. Lett. B 436 (1998) 428-436 Fulltext: PDF; - Please contact the library if you need to access this document.
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7.
(74)
Measurement of radiative Bhabha and quasi-real Compton scattering / L3 Collaboration
We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of $232.2 \,\pb$. [...]
CERN-EP-98-109; CERN-L3-154.- Geneva : CERN, 1998 - 20 p. - Published in : Phys. Lett. B 439 (1998) 183 Fulltext: PDF; - Please contact the library if you need to access this document.
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8.
(74)
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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9.
(74)
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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10.
(74)
QCD results from studies of hadronic events produced in $e^+ e^-$ annihilations at $\sqrt{s}$ = 183 GeV / L3 Collaboration
We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity of 55.3 $\mathrm{pb^{-1}}$ [...]
CERN-EP-98-148; CERN-L3-162.- Geneva : CERN, 1998 - 21 p. - Published in : Phys. Lett. B 444 (1998) 569 Fulltext: PDF; - Please contact the library if you need to access this document.
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