CERN Accelerating science

CERN Document Server 34 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.62 წამი. 
1.
The Solar Flare of the 14th of July 2000 (L3+C detector results) / L3 Collaboration
Several experiments have reported observations on possible correlations between the flux of high energy muons and intense solar flares. If confirmed, these observations would have significant implications for acceleration processes in the heliosphere able to accelerate protons and other ions to energies of at least tens of GeV. [...]
CERN-PH-EP-2006-043.- Geneva : CERN, 2006 - 15 p. - Published in : Astron. Astrophys. 456 (2006) 351-357 Fulltext: PDF;
2.
A search for flaring Very-High-Energy cosmic-ray sources with the L3+C muon spectrometer / L3 Collaboration
The L3+C muon detector at the Cern electron-position collider, LEP, is used for the detection of very-high-energy cosmic \gamma-ray sources through the observation of muons of energies above 20, 30, 50 and 100 GeV. Daily or monthly excesses in the rate of single-muon events pointing to some particular direction in the sky are searched for. [...]
CERN-PH-EP-2006-036.- Geneva : CERN, 2006 - 22 p. - Published in : Astropart. Phys. 25 (2006) 298-310 Fulltext: PDF;
3.
Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector / L3 Collaboration
A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\, $\ensuremath{\mathrm{B_s^0}\rightarrow\mathrm{J}\eta}$,\,\, $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\pi^0}$ and $\ensuremath{\mathrm{B_s^0}\rightarrow\mathrm{J}\pi^0}$. The data sample consisted of more than three and half million hadronic $\ensuremath{\mathrm {Z}}$ decays collected by the L3 experiment at LEP from 1991 through 1995 [...]
CERN-PPE-96-152; CERN-L3-105.- Geneva : CERN, 1997 - 15 p. - Published in : Phys. Lett. B 391 (1997) 481-490 Fulltext: PDF; - Please contact the library if you need to access this document.
4.
Search for neutral B meson decays to two charged leptons / L3 Collaboration
The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample collected by the L3 detector. No signals are observed, therefore upper limits at the 90\%(95\%) confidence levels are set on the following branching fractions: % \begin{center}% {\setlength{\tabcolsep}{2pt} \begin{tabular}{lccccclcccc}% % Br$({\mathrm{B_d^0 \rightarrow {\mathrm{e^+e^-}}}})$ & $<$ & $1.4(1.8)$ & $\times$ & $ 10^{-5}$; & \hspace*{5mm} & Br$({\mathrm{B_s^0 \rightarrow {\mathrm{e^+e^-}}}})$ & $<$ & $5.4(7.0)$ & $\times$ & $ 10^{-5}$; \\% Br$({\mathrm{B_d^0 \rightarrow \mu^+\mu^-}})$ & $<$ & $1.0(1.4)$ & $\times$ & $ 10^{-5}$; & \hspace*{5mm} & Br$({\mathrm{B_s^0 \rightarrow \mu^+\mu^-}})$ & $<$ & $3.8(5.1)$ & $\times$ & $ 10^{-5}$; \\% Br$({\mathrm{B_d^0 \rightarrow {\mathrm{e^\pm\mu^\mp}}}})$ & $<$ & $1.6(2.0)$ & $\times$ & $ 10^{-5}$; & \hspace*{5mm} & Br$({\mathrm{B_s^0 \rightarrow {\mathrm{e^\pm\mu^\mp}}}})$ & $<$ & $4.1(5.3)$ & $\times$ & $ 10^{-5}$. [...]
CERN-PPE-96-151; CERN-L3-104.- Geneva : CERN, 1997 - 8 p. - Published in : Phys. Lett. B 391 (1997) 474-480 Fulltext: PDF; - Please contact the library if you need to access this document.
5.
Measurement of the Lifetime of the $\tau$ Lepton / L3 Collaboration
The lifetime of the tau lepton is measured using data collected in 1994 by the L3 detector at LEP. The precise track position information of the Silicon Microvertex Detector is exploited. [...]
CERN-PPE-96-124; CERN-L3-103.- Geneva : CERN, 1996 - 14 p. - Published in : Phys. Lett. B 389 (1996) 187-196 Fulltext: PDF; - Please contact the library if you need to access this document.
6.
Measurement of the B$_{d}^{0}$ meson oscillation frequency / L3 Collaboration
Time-dependent \Bd-\Bbd\ mixing is studied using 1.5 million hadronic Z decays collected by L3. Semileptonic B decays are selected by requiring at least one reconstructed lepton in both thrust hemispheres [...]
CERN-PPE-96-073; CERN-L3-101.- Geneva : CERN, 1996 - 19 p. - Published in : Phys. Lett. B 383 (1996) 487-498 Fulltext: PDF; - Please contact the library if you need to access this document.
7.
Search for new particles in hadronic events with isolated photons / L3 Collaboration
CERN-PPE-96-050; CERN-L3-100.- Geneva : CERN, 1996 - 17 p. - Published in : Phys. Lett. B 388 (1996) 409-418 Fulltext: PDF; - Please contact the library if you need to access this document.
8.
Measurement of the branching ratios b --> e$\nu$X, $\mu\nu$X, $\tau\nu$X and $\nu$X / L3 Collaboration
CERN-PPE-96-049; CERN-L3-099.- Geneva : CERN, 1996 - 27 p. - Published in : Z. Phys. C 71 (1996) 379-389 Fulltext: PDF; - Please contact the library if you need to access this document.
9.
Observation of multiple hard photon final states at $\sqrt{s}$ = 130 - 140 GeV at LEP / L3 Collaboration
CERN-PPE-96-048; CERN-L3-098.- Geneva : CERN, 1996 - 16 p. - Published in : Phys. Lett. B 384 (1996) 323-332 Fulltext: PDF; - Please contact the library if you need to access this document.
10.
1994 running experience with the L3 Silicon Microvertex Detector / L3 SMD Collaboration
1995 - Published in : Nucl. Phys. B, Proc. Suppl. 44 (1995) 296-302
In : 4th International Conference on Advanced Technology and Particle Physics, Como, Italy, 3 - 7 Oct 1994, pp.296-302

CERN Document Server : 34 ჩანაწერია ნაპოვნი   1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა:
ასევე იხილეთ: მსგავსი ავტორის სახელები
1 Schoneich, B.
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