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CERN Document Server 206 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.71 δευτερόλεπτα. 
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
2.
Search for Charged Higgs bosons: Combined Results Using LEP data / ALEPH, DELPHI, L3 and OPAL Collaborations
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for pair-produced charged Higgs bosons in the framework of Two Higgs Doublet Models (2HDMs). The data of the four experiments are statistically combined. [...]
arXiv:1301.6065; CERN-PH-EP-2012-369; CERN-PH-EP-2012-369; LHWG-Note-2012-01; ALEPH-2012-001-PHYSICS-2012-001; DELPHI-2012-001-PHYS-953; L3-Note-2835; OPAL-PR433.- Geneva : CERN, 2013 - 18 p. - Published in : Eur. Phys. J. C 73 (2013) 2463 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2012-369 - PDF; arXiv:1301.6065 - PDF; External link: Preprint
3.
Observation of the Muon Inner Bremsstrahlung at LEP1 / DELPHI Collaboration
Muon bremsstrahlung photons converted in front of the DELPHI main tracker (TPC) in dimuon events at LEP1 were studied in two photon kinematic ranges: 0.2 < E_gamma <= 1 GeV and transverse momentum with respect to the parent muon p_T < 40 MeV/c, and 1 < E_gamma <= 10 GeV and p_T < 80 MeV/c . A good agreement of the observed photon rate with predictions from QED for the muon inner bremsstrahlung was found, contrary to the anomalous soft photon excess that has been observed recently in hadronic Z^0 decays. [...]
arXiv:0901.4488; CERN-PH-EP-2007-012; CERN-PH-EP-2007-012.- 2008 - 24 p. - Published in : Eur. Phys. J. C 57 (2008) 499-514 Fulltext: arXiv:0901.4488 - PDF; 10052_2008_779_OnlinePDF - PDF; External link: Fulltext
4.
Study of b-quark mass effects in multijet topologies with the DELPHI detector at LEP / DELPHI Collaboration
The effect of the heavy b-quark mass on the two, three and four-jet rates is studied using LEP data collected by the DELPHI experiment at the Z peak in 1994 and 1995. The rates of b-quark jets and light quark jets (l = uds) in events with n = 2, 3, and 4 jets, together with the ratio of two and four-jet rates of b-quarks with respect to light-quarks, R_n^bl, have been measured with a double-tag technique using the CAMBRIDGE jet-clustering algorithm. [...]
arXiv:0804.3883; CERN-PH-EP-2007-011; CERN-PH-EP-2007-011.- 2008 - 24 p. - Published in : Eur. Phys. J. C 55 (2008) 525-538 Fulltext: PDF; External link: Fulltext
5.
Measurement of the Mass and Width of the W Boson in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 161 - 209 GeV / DELPHI Collaboration
A measurement of the W boson mass and width has been performed by the DELPHI collaboration using the data collected during the full LEP2 programme (1996-2000). The data sample has an integrated luminosity of 660 pb^-1 and was collected over a range of centre-of-mass energies from 161 to 209 GeV. [...]
arXiv:0803.2534; CERN-PH-EP-2007-026; CERN-PH-EP-2007-026.- 2008 - 61 p. - Published in : Eur. Phys. J. C 55 (2008) 1-38 Fulltext: PDF; External link: Fulltext
6.
Higgs boson searches in CP-conserving and CP-violating MSSM scenarios with the DELPHI detector / DELPHI Collaboration
This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the Minimal Supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP conservation and explicit CP violation in the Higgs sector. [...]
arXiv:0801.3586; CERN-PH-EP-2007-029; DAPNIA-07-150; CERN-PH-EP-2007-029; DAPNIA-07-150.- Geneva : CERN, 2008 - 52 p. - Published in : Eur. Phys. J. C
- Published in : Eur. Phys. J. C Fulltext: phep-2007-029 - PDF; arXiv:0801.3586 - PDF; Springer Open Access article: PDF; External link: Fulltext
7.
Study of W boson polarisations and Triple Gauge boson Couplings in the reaction $e^{+}e^{-} \to W^{+}W^{-}$ at LEP 2 / DELPHI Collaboration
A determination of the single W Spin Density Matrix (SDM) elements in the reaction e+e- -> W+W- -> l nu q qbar (l=e/mu) is reported at centre-of-mass energies between 189 and 209 GeV. The data sample used corresponds to an integrated luminosity of 520 pb^{-1} taken by DELPHI between 1998 and 2000. [...]
arXiv:0801.1235; CERN-PH-EP-2007-036; CERN-PH-EP-2007-036.- 2008 - 31 p. - Published in : Eur. Phys. J. C 54 (2008) 345-364 Fulltext: PDF; Springer Open Access article: PDF; External link: Fulltext
8.
Measurement of the Tau Lepton Polarisation at LEP2 / DELPHI Collaboration
A first measurement of the average polarisation P_tau of tau leptons produced in e+e- annihilation at energies significantly above the Z resonance is presented. The polarisation is determined from the kinematic spectra of tau hadronic decays. [...]
arXiv:0710.1368; CERN-PH-EP-2007-010; CERN-PH-EP-2007-010.- 2008 - 17 p. - Published in : Phys. Lett. B 659 (2008) 65-73 Fulltext: PDF; External link: Preprint
9.
Search for Pentaquarks in the Hadronic Decays of the Z Boson with the DELPHI Detector at LEP / DELPHI Collaboration
The quark model does not exclude states composed of more than three quarks, like pentaquark systems. Controversial evidence for such states has been published in the last years, in particular: for a strange pentaquark Theta(1540)+; for a double-strange state, the Xi(1862)--, subsequently called Phi(1860)--; and for a charmed state, the Theta_c(3100)^0. [...]
arXiv:0708.0415; CERN-PH-EP-2007-017; CERN-DELPHI-2006-012-CONF-758; DELPHI-2006-012-CONF-758; CERN-DELPHI-PAPER-364; CERN-PH-EP-2007-017.- 2007 - 15 p. - Published in : Phys. Lett. B 653 (2007) 151-160 Fulltext: cer-002651149 - PDF; arXiv:0708.0415 - PDF; External link: Preprint
10.
Study of Triple-Gauge-Boson Couplings ZZZ, ZZ$\gamma$ and Z$\gamma\gamma$ at LEP / DELPHI Collaboration
Neutral triple-gauge-boson couplings ZZZ, ZZgam and Zgamgam have been studied with the DELPHI detector using data at energies between 183 and 208 GeV. Limits are derived on these couplings from an analysis of the reactions e+e- -> Zgam, using data from the final states gamma f fbar, with f = q or neutrino, from e+e- -> ZZ, using data from the four-fermion final states q qbar q qbar, q qbar mu+ mu-, q qbar e+ e-, q qbar nu nubar, mu+ mu- nu nubar and e+ e- nu nubar, and from e+e- -> Zgam*, in which the final state gamma is off mass-shell, using data from the four-fermion final states q qbar e+ e- and q qbar mu+ mu-. [...]
arXiv:0706.2741; HEP-PH-EP-2006-008; CERN-PH-EP-2006-008.- Geneva : CERN, 2007 - 29 p. - Published in : Eur. Phys. J. C 51 (2007) 525-542 Fulltext: PDF; External link: Fulltext

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