CERN Accelerating science

CERN Document Server 13 records found  1 - 10next  jump to record: Search took 1.48 seconds. 
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.
Extra Gauge Groups / Langacker, Paul (Univ. Pennsylvania Philadelphia) ; Raspereza, A V (DESY Hamburg) ; Riemann, S (DESY Zeuthen)
CERN, 2006 Published version from CERN: PDF;
In : 1st Workshop on CP Studies and Non-standard Higgs Physics, CERN, Geneva, Switzerland, 14 - 15 May 2004, pp.271-296 (CERN-2006-009)
4.
A high-granularity plastic scintillator tile hadronic calorimeter with APD readout for a linear collider detector / Andreev, V ; Cvach, J ; Danilov, M ; Devitsin, E G ; Dodonov, V ; Eigen, G ; Garutti, E ; Gilitsky, Yu ; Groll, M ; Heuer, R D et al.
DESY-05-143 ; DESY-2005-143.
- 2005. - 21 p.
5.
Measurement of Branching Fractions of $\tau$ Hadronic Decays / L3 Collaboration
Using data collected with the L3 detector at LEP at the Z peak, the branching fractions of the $\tau$ lepton into the hadronic final states, $h^- n\pi^0 \nu(n=0,1,2, >= 3)$ and $h^-h^+h^- n\pi^0 \nu$ where $h^\pm$ denotes a charged hadron, are measured to be .....
CERN-EP-2003-019 ; CERN-L3-270.
- 2003. - 17 p.
Fulltext - Fulltext
6.
Search for neutral Higgs bosons in $e^{+} e^{-}$ collisions / Raspereza, A V
DESY-THESIS-2002-034. - Hamburg : DESY, 2002. - 169 p.

Fulltext
7.
Inclusive $D^{*\pm}$ production in two-photon collisions at LEP / L3 Collaboration
Inclusive D*/sup +or-/ production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb/sup -1/ of data collected at centre-of-mass energies from 183 to 209 GeV. Differential cross sections are determined as functions of the transverse momentum and pseudorapidity of the D*/sup +or-/ mesons in the kinematic region 1 GeV<P/sub T/<12 GeV and $\beta$ <1.4. [...]
2002 - Published in : Phys. Lett. B 535 (2002) 59-69
8.
Measuring the Higgs mass at TESLA / García-Abia, P ; Lohmann, W ; Raspereza, A V
We report on the accuracy of the measurement of the Higgs boson mass that would be achieved in a linear collider operating at a centre-of- mass energy of 350 GeV; assuming an integrated luminosity of 500 fb /sup -1/. For that we have exploited the exclusive Higgs decays into b quarks and W bosons. [...]
Geneva : CERN, 2000 - Published in : AIP Conf. Proc.: 578 (2000) , pp. 218-221 External link: Published version from AIP
In : 5th International Linear Collider Workshop, Batavia, IL, USA, 24 - 28 Oct 2000, pp.218-221
9.
Preliminary Results of Investigation of Semileptonic Decay $K^+ \to \pi^0 e^+ \nu$ in experiment "Serpukhov-167" / Batusov, V Yu ; Lomakin, Yu F ; Malyukov, S N ; Mestvirishvili, I ; Minashvili, I A ; Pukhov, O ; Romanovsky, V I ; Rusakovitch, N A ; Salukvadze, Z R ; Soloviev, A S et al.
The preliminary result for the vector formfactor slope parameter in semileptonic K^{+} \to \pi^{0}e^{+}\nu decay \lambda_{+}=0.0307\pm0.0042 with \chi^{2}=1.15/ndf is published. [...]
P1-2001-140 ; JINR-P1-2001-140.
- 2001. - 12 p.
Fulltext from JINR Dubna
10.
Measurements of the $b\overline{b}$ production cross section and forward-backward asymmetry at centre-of-mass energies above the Z pole at LEP / L3 Collaboration
The measurements of R/sub b/= sigma (e/sup +/e/sup -/ to bb)/ sigma (e/sup +/e/sup -/ to qq) and of the b quark forward-backward charge asymmetry, A/sub fb//sup b/, at centre-of-mass energies above the Z pole are described. The measurement of R/sub b/ is performed at square root (s) between 130 and 189 GeV using a b-tagging method that exploits the relatively large decay length of b-hadrons. [...]
Geneva : CERN, 2000 - Published in : Phys. Lett. B 485 (2000) 71-84

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See also: similar author names
8 Raspereza, A
124 Raspereza, A.
1361 Raspereza, Alexei
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