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CERN Document Server Pronađeno je 95 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.53 sekundi 
1.
Electroweak Measurements in Electron-Positron Collisions at W-Boson-Pair Energies at LEP / ALEPH Collaboration
Electroweak measurements performed with data taken at the electron-positron collider LEP at CERN from 1995 to 2000 are reported. The combined data set considered in this report corresponds to a total luminosity of about 3~fb$^{-1}$ collected by the four LEP experiments ALEPH, DELPHI, L3 and OPAL, at centre-of-mass energies ranging from $130~GeV$ to $209~GeV$ [...]
arXiv:1302.3415; CERN-PH-EP-2013-022; CERN-PH-EP-2013-022.- Geneva : CERN, 2013 - 126 p. - Published in : Phys. Rep. 532 (2013) 119-244 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2013-022 - PDF; arXiv:1302.3415 - PDF; External link: Preprint
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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.
Measurement of the Z Resonance Parameters at LEP / ALEPH Collaboration
The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton universality. [...]
CERN-EP-99-104.- Geneva : CERN, 2000 - 95 p. ALEPH Papers - Published in : Eur. Phys. J. C 14 (2000) 1-50 Fulltext: PDF;
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 135 - CERN library copies
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4.
Studies of quantum chromodynamics with the ALEPH detector / ALEPH Collaboration
Previously published and as yet unpublished QCD results obtained with the ALEPH detector at LEP1 are presented. The unprecedented statistics allows detailed studies of both perturbative and non-perturbative aspects of strong interactions to be carried out using hadronic Z and tau decays. [...]
CERN-PPE-96-186.- Geneva : CERN, 1998 - 166 p. ALEPH Papers - Published in : Phys. Rep. 294 (1998) 1-165 Fulltext: PDF; - CERN library copies
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5.
Inclusive Production of Neutral Pions in Hadronic Z Decays / ALEPH Collaboration
A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic events recorded with the ALEPH detector at LEP at a centre-of-mass energy of sqrt(s) = 91.2 GeV. [...]
CERN-PPE-96-168; FSU-SCRI-97-74.- Tallahassee, FL : Florida State Univ., 1997 - 20 p. ALEPH Papers - Published in : Z. Phys. C 74 (1997) 451-461 Fulltext: PDF;
In : 28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.PA04-052 - CERN library copies
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6.
Measurement of $|V_{cb}|$, form factors and branching fractions in the decays $\overline{B}^0 \to D^{*+}l^- \overline{\nu}_l$ and $\overline{B}^0 \to D^{+}l^{-}\overline{\nu}_l$ / ALEPH Collaboration
Two samples of exclusive semileptonic decays, 579 B0->D*+l-nu events and 261 B0->D+l-nu events, are selected from approximately 3.9 million hadronic Z decays collected by the ALEPH detector at LEP. From the reconstructed differential decay rate of each sample, the product of the hadronic form factor F(w) at zero recoil of the D(*)+ meson and the CKM matrix element |Vcb| are measured to be FD*+(1)|Vcb| = (31.9 +/- 1.8(stat) +/- 1.9(syst) ) Mail afs archive asis auth bin boot categ cern collab comments core date dev drdspool etc export external_repno filename ftp home kadb lib lost+found mail mbox mnt nfs nsr old_archive old_drdspool old_pub opt pages pcfs pub publi publitype reconfigure ref repno sbin share sys tit tmp usr var vmunix 10**-3, FD+(1)|Vcb| = (27.8 +/- 6.8(stat) +/- 6.5(syst) ) Mail afs archive asis auth bin boot categ cern collab comments core date dev drdspool etc export external_repno filename ftp home kadb lib lost+found mail mbox mnt nfs nsr old_archive old_drdspool old_pub opt pages pcfs pub publi publitype reconfigure ref repno sbin share sys tit tmp usr var vmunix 10**-3. [...]
CERN-PPE-96-150; FSU-SCRI-97-33.- Tallahassee, FL : Florida State Univ., 1997 - 19 p. ALEPH Papers - Published in : Phys. Lett. B 395 (1997) 373-387 Fulltext: PDF; - CERN library copies
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7.
Charm counting in b decays / ALEPH Collaboration
The inclusive production of charmed particles in Z -> bb decays has been measured from the yield of D^0, D^+, D^+_s and Lambda_{c}^+ decays in a sample of qq events with high b purity collected with the ALEPH detector from 1992 to 1995. From these measurements, adding the charmonia production rate and an estimate of the charmed strange baryon contribution, the average number of charm quarks per b decay is determined to be n_c = 1.230 \pm 0.036 \pm 0.038 \pm 0.053 where the uncertainties are due to statistics, systematic effects and branching ratios, respectively..
CERN-PPE-96-117; FSU-SCRI-97-32.- Geneva : CERN, 1996 - 13 p. ALEPH Papers - Published in : Phys. Lett. B 388 (1996) 648-658 Fulltext: PDF;
In : 28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.876-879 - CERN library copies
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8.
A study of tau decays involving eta and omega mesons / ALEPH Collaboration
The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured: \begin{eqnarray*} B(\tau^-\to\nu_{\tau}ømega h^-)&=& (1.91\pm 0.07\pm 0.06 )\times 10^{-2},\\ B(\tau^-\to\nu_{\tau}ømega h^-\pi^0)&=&(4.3\pm 0.6\pm 0.5)\times 10^{-3},\\ B(\tau^-\to\nu_{\tau} \eta K^-)&=&(2.9^{+1.3}_{-1.2}\pm 0.7)\times 10^{-4},\\ B(\tau^-\to\nu_{\tau}\eta h^-\pi^0)&=&(1.8\pm 0.4\pm 0.2)\times 10^{-3} \end{eqnarray*} and the 95\%~C.L. [...]
CERN-PPE-96-103; FSU-SCRI-97-50.- Tallahassee, FL : Florida State Univ., 1997 ALEPH Papers - Published in : Z. Phys. C 74 (1997) 263-273 Fulltext: PDF;
In : 28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.PA07-073 - CERN library copies
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9.
Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency / ALEPH Collaboration
The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge of the decaying $b$ quark and its decay time are measured in one hemisphere of the event; the quark charge at production is tagged mainly using the opposite hemisphere [...]
CERN-PPE-96-102; CERN-OPEN-99-366.- Geneva : CERN, 1997 - 18 p. ALEPH Papers - Published in : Z. Phys. C 75 (1997) 397-407 Fulltext: open-99-366 - PDF; ppe-96-102 - PDF;
In : 28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.PA05-055
28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.e-proc. only - CERN library copies
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10.
Observation of charmless hadronic B decays / ALEPH Collaboration
Four candidates for charmless hadronic B decay are observed in a data sample of four million hadronic Z decays recorded by the {\sc aleph} detector at {\sc lep} . The probability that these events come from background sources is estimated to b e less than $10^{-6}$. [...]
CERN-PPE-96-104; FSU-SCRI-96-126.- Geneva : CERN, 1996 - 10 p. ALEPH Papers - Published in : Phys. Lett. B 384 (1996) 471-480 Fulltext: PDF;
In : 28th International Conference on High-energy Physics, Warsaw, Poland, 25 - 31 Jul 1996, pp.PA05-101 - CERN library copies
Detaljnije - Slični zapisi

CERN Document Server : Pronađeno je 95 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
94 Rivera, F
1 Rivera, Ferdinand
1 Rivera, Ferdinand D
1 Rivera, Fiona
1 Rivera, Francisco F
1 Rivera, Freida
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