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CERN Document Server 46 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 1.25 secondi. 
1.
Analyse globaler hadronischer Ereignisformvariablen bei Energien oberhalb der Z-Resonanz zur Bestimmung der starken Kopplung αs / Grefrath, Alexander
WUB-DIS-1998-03 CERN-DELPHI-THESIS-187 ; DELPHI-THESIS-187. - Wuppertal : Wuppertal U., 1998. - 156 p.

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2.
Precision electroweak measurements on the $Z$ resonance / ALEPH Collaboration
We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH, DELPHI, L3 and OPAL experiments at LEP, and 600 thousand Z decays by the SLD experiment using a polarised beam at SLC. [...]
hep-ex/0509008; SLAC-R-774; CERN-PH-EP-2005-041; SLAC-R-774; CERN-L3-304.- Geneva : CERN, 2006 - 302 p. ALEPH Papers - Published in : Phys. Rep. 427 (2006) 257 Fulltext: phep-2005-041 - PDF; arXiv:hep-ex_0509008 - PDF; External link: SLAC Document Server
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3.
Cross-Sections and Leptonic Forward-Backward Asymmetries from the $Z^0$ Running of LEP / DELPHI Collaboration
During 1993 and 1995 LEP was run at 3 energies near the Z$^0$ peak in order to give improved measurements of the mass and width of the resonance. During 1994, LEP operated only at the Z$^0$peak. [...]
CERN-EP-2000-037; CERN-DELPHI-98-113-CONF-175; CERN-OPEN-2000-031.- Geneva : CERN, 2000 - 61 p. - Published in : Eur. Phys. J. C 16 (2000) 371-405 Fulltext: PDF; External link: Published version
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 394 - CERN library copies
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4.
A search for heavy stable charged and long-lived squarks and sleptons in $e^+ e^-$ collisions at energies from 130 to 183 GeV / DELPHI Collaboration
CERN-OPEN-2000-005 ; CERN-DELPHI-98-88-CONF-156. - 1998. - 16 p.
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5.
Measurement of |V_{cs}| using W decays at LEP2 / DELPHI Collaboration
Decays of $W^{\pm}$ bosons, produced at LEP2, have been used to measure the $|V_{cs}|$ element of the Cabibbo-Kobayashi-Maskawa matrix. Values for $|V_{cs}|$ were extracted both from the measured hadronic branching ratio of $W^{\pm}$ decays and by tagging the flavour of hadronic jets produced in $W^{\pm}$ decays. [...]
CERN-EP-98-115.- Geneva : CERN, 1998 - 18 p. - Published in : Phys. Lett. B 439 (1998) 209 Fulltext: PDF; - CERN library copies
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6.
The Estimation of the Effective Centre of Mass Energy in $q\overline{q} \gamma$ Events from DELPHI / Abreu, P. (Lisbon, IST) ; De Angelis, A. (CERN) ; Della Ricca, G. (INFN, Trieste ; Trieste U.) ; Fassouliotis, D. (Athens U.) ; Grefrath, A. (Wuppertal U.) ; Kjaer, N. (NIKHEF, Amsterdam) ; Henriques, R.P. (Lisbon, IST) ; Mulders, M. (NIKHEF, Amsterdam) ; Pimenta, M. (Lisbon, IST) ; Vitale, L. (INFN, Trieste ; Trieste U.)
The photon radiation in the initial state lowers the energy available for the e$^+$e$^-$ collisions; this effect is particularly important at LEP2 energies (above the mass of the Z boson). Being aligned to the beam direction, such initial state radiation is mostly undetected. [...]
hep-ex/9809008; CERN-OPEN-98-026; CERN-OPEN-98-026.- Geneva : CERN, 1999 - 12 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 427 (1999) 487 Access to fulltext document: 9809008 - PDF; open-98-026 - PDF; Fulltext: PDF; External link: hep-ex/9809008 PDF - Please contact the library if you need to access this document.
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7.
$\pi^{\pm}, K^{\pm}, p$ and $\overline{p}$ production in $Z^{0} \rightarrow q\overline{q}, Z^{0} \rightarrow b\overline{b}, Z^{0} \rightarrow u\overline{u}, d\overline{d}, s\overline{s}$ / DELPHI Collaboration
The DELPHI experiment at LEP uses Ring Imaging Cherenkov detectors for particle identification. The good understanding of the RICH detectors allows the identification of charged pions, kaons and p rotons, covering the full momentum range from \mbox{$0.7\!<\!p\!<\! 45.6~\gevc$}. [...]
CERN-EP-98-095.- Geneva : CERN, 1998 - 41 p. - Published in : Eur. Phys. J. C 5 (1998) 585-620 Fulltext: PDF; - CERN library copies
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8.
Measurement of the $e^+ e^- \to \gamma\gamma (\gamma)$ cross section at the LEP energies / DELPHI Collaboration
The total and the differential cross-sections for the reaction $e^+e^-\rightarrow \gamma\gamma(\gamma)$ have been measured with the DELPHI detector at LEP % with at centre-of-mass energies from 1 30 %, 136, 161, 172 and to 183 GeV for an integrated luminosity of 78.19.~pb$^{-1}$. %CR An agreement with the QED predictions was found and consequently The results agree with the QED prediction s. [...]
CERN-EP-98-075.- Geneva : CERN, 1998 - 14 p. - Published in : Phys. Lett. B 433 (1998) 429-440 Fulltext: PDF; - CERN library copies
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9.
Measurement of the charged particle multiplicity of weakly decaying B hadrons / DELPHI Collaboration
From the $Z$ decays recorded in 1994 and 1995 by the DELPHI detector at LEP, the charged particle multiplicity of weakly decaying $B$ hadrons was measured to be: \begin{center} $4.97 \pm 0.03 \pm 0.06 \, ,$ \end{center} \noindent excluding the $K^0$ and $\Lambda$ decay products..
CERN-EP-98-034.- Geneva : CERN, 1998 - 17 p. - Published in : Phys. Lett. B 425 (1998) 399-412 Fulltext: PDF; - CERN library copies
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10.
First evidence for a charm radial excitation, $D^{*}'$ / DELPHI Collaboration
Using D$^{*+}$ mesons exclusively reconstructed in the DELPHI detector at LEP, an excess of $66\pm14(\mbox{stat.})$ events is observed in the D$^{*+}\pi^+\pi^-$ final state with a mass of $2637\pm2(\mbox{stat.})\pm6(\mbox{syst.})$~MeV/$c^2$ and a full width smaller than 15~MeV/$c^2$ (95\% C.L.). This signal is compatible with the expected decay of a radially excited D$^{*'}$ ($J^P=1^-$) meson..
CERN-EP-98-030.- Geneva : CERN, 1998 - 15 p. - Published in : Phys. Lett. B 426 (1998) 231-242 Fulltext: PDF;
In : International Europhysics Conference on High-Energy Physics, Jerusalem, Israel, 19 - 25 Aug 1997, pp.367-376 - CERN library copies
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2 Grefrath, A.
1 Grefrath, Alexander
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