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CERN Document Server 82 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.54 sekúnd. 
1.
A measurement of the colour factors of quantum chromodynamics from four-jet events at LEP / Dorris, S J
CERN-ALEPH-THESIS-97-015. - Geneva : CERN, 1997. - 168 p.

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2.
$K^{0}_{S}$ production in $\tau$ decays / ALEPH Collaboration
From a sample of about 160k $\mbox{Z}\!\!\to\!\!\tau^+\tau^-$ candidates collected with the ALEPH detector at LEP between 1991 and 1995, $\tau$ lepton decays involving $K^0_S\!\to\!\pi^+\pi^-$ are studied. The $K^0_SK^0_L$ associated production in $\tau$ decays is also investigated. [...]
CERN-PPE-97-167; FSU-SCRI-98-84.- Tallahassee, FL : Florida State Univ., 1998 - 28 p. ALEPH Papers - Published in : Eur. Phys. J. C 4 (1998) 29-45 Fulltext: PDF; - CERN library copies
3.
Measurement of triple gauge-boson couplings at 172 GeV / ALEPH Collaboration
The triple gauge-boson couplings, Awp, Aw and Abp, have been measured using 34 semileptonically and 54 hadronically decaying WW candidate events. The events were selected in the data recorded during 1996 with the ALEPH detector at 172 GeV, corresponding to an integrated luminosity of 10.65 pb^-1. [...]
CERN-PPE-97-166.- Geneva : CERN, 1998 - 20 p. ALEPH Papers - Published in : Phys. Lett. B 422 (1998) 369 Fulltext: PDF;
4.
Measurement of the W mass by direct reconstruction in $e^+ e^-$ collisions at 172 GeV / ALEPH Collaboration
The mass of the W boson is obtained from reconstructed invariant mass distributions in W-pair events. The sample of W pairs is selected from 10.65~pb$^{-1}$ collected with the ALEPH detector at a mean centre-of-mass energy of 172.09 \GEV. [...]
CERN-PPE-97-164.- Geneva : CERN, 1998 - 17 p. ALEPH Papers - Published in : Phys. Lett. B 422 (1998) 384 Fulltext: PDF; - CERN library copies
5.
Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D^-_s$ decays / ALEPH Collaboration
A search for B0s oscillations is performed using approximately 4 million Z --> qqbar events collected by the ALEPH experiment during 1991-1995. B0s candidates are partially reconstructed by combining tracks with fully reconstructed Ds- candidates. [...]
CERN-PPE-97-157; FSU-SCRI-98-85.- Tallahassee, FL : Florida State Univ., 1998 - 29 p. ALEPH Papers - Published in : Eur. Phys. J. C 4 (1998) 367-385 Fulltext: PDF; - CERN library copies
6.
Four-jet final state production in $e^+ e^-$ collisions at centre-of-mass energies ranging from 130 to 184 GeV / ALEPH Collaboration
The four jet topology is analysed in the ALEPH data taken between November 1995 and November 1997, at centre-of-mass energies ranging from 130 to 184 GeV. While an unexpected accumulation of events with a dijet mas sum around 105 GeV/c**2 had been observed during the first run in 1995 at 130/136 GeV, corresponding to an integrated luminosity of 5.7 pb-1, no significant differences between data and standard model prediction is noticed, either in the high energy runs (81.1 pb-1 taken at centre-of-mass energies from 161 to 184 GeV) or in the 7.1 pb-1 recorded during a new short run at 130/136 GeV in 1997. [...]
CERN-PPE-97-156.- Geneva : CERN, 1998 - 8 p. ALEPH Papers - Published in : Phys. Lett. B 420 (1998) 196 Fulltext: PDF;
7.
A measurement of the semileptonic branching ratio BR(b-baryon $\rightarrow p l\overline{\nu}X$) and a study of inclusive $\pi^{\pm}$, $K^{\pm}$, ($p,\overline{p}$) production in Z decays / ALEPH Collaboration
Inclusive pi^+/-, K^+/- (p,pbar) production is investigated using data recorded by the ALEPH detector between 1992 and 1994. The momentum spectra and multiplicities are measured separately in Z -->bbar, Z-->ccbar and Z-->uubar,ddbar,ssbar decays. [...]
CERN-PPE-97-153.- Geneva : CERN, 1998 - 37 p. ALEPH Papers - Published in : Eur. Phys. J. C 5 (1998) 205-227 Fulltext: PDF; - CERN library copies
8.
Search for supersymmetry with a dominant R-parity violating $LL\overline{E}$ coupling in $e^+ e^-$ collisions at centre-of-mass energies of 130 GeV to 172 GeV / ALEPH Collaboration
A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LLE coupling has been performed using the data collected by ALEPH at centre-of-mass energies of 130-172 GeV. The observed candidate events in the data are in agreement with the Standard Model expectation. [...]
hep-ex/9712013; CERN-PPE-97-151; CERN-PPE-97-151; CERN-ALEPH-98-017.- Geneva : CERN, 1998 - 31 p. ALEPH Papers - Published in : Eur. Phys. J. C 4 (1998) 433-451 Fulltext: 9712013 - PDF; ppe-97-151 - PDF; arXiv:hep-ex_9712013 - PDF; External link: hep-ex/9712013 PDF - Please contact the library if you need to access this document.
9.
An upper limit on the $\tau$ neutrino mass from three- and five-prong tau decays / ALEPH Collaboration
A bound on the tau neutrino mass is established using the data collected from 1991 to 1995 at Ecm = M(Z) with the ALEPH detector. Two separate limits are derived by fitting the distribution of visible energy vs invariant mass in tau+ -> pi+ pi+ pi- nu and tau+ -> pi+ pi+ pi- pi- pi+ (pi0) nu decays. [...]
CERN-PPE-97-138.- Geneva : CERN, 1998 - 23 p. ALEPH Papers - Published in : Eur. Phys. J. C 2 (1998) 395-406 Fulltext: PDF; - CERN library copies
10.
Searches for charginos and neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 and 172 GeV / ALEPH Collaboration
The data recorded by the ALEPH detector at centre-of-mass energies of 161, 170, and 172 GeV are analysed for signals of chargino and neutralino production. No evidence of a signal is found, although candidate events consistent with the expectations from Standard Model processes are observed. [...]
hep-ex/9710012; CERN-PPE-97-128; FSU-SCRI-98-67; CERN-PPE-97-128.- Geneva : CERN, 1998 - 39 p. ALEPH Papers - Published in : Eur. Phys. J. C 2 (1998) 417-439 Fulltext: arXiv:hep-ex_9710012 - PDF; 9710012 - PDF; External link: hep-ex/9710012 PDF - Please contact the library if you need to access this document.

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