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1.
Characteristics of Muon-Electron Events Produced in High Energy Neutrino Interactions / Mapp, J (Wisconsin U., Madison) ; Camerini, U (Wisconsin U., Madison) ; Cline, D (Wisconsin U., Madison) ; Fry, J (Wisconsin U., Madison) ; von Krogh, J (Wisconsin U., Madison) ; Loveless, R J (Wisconsin U., Madison) ; March, R (Wisconsin U., Madison) ; Reeder, D D (Wisconsin U., Madison) ; Barbaro-Galtieri, A (LBL, Berkeley) ; Bosetti, P (LBL, Berkeley) et al.
The observation of neutrino interactions producing a muon , and an electron among the final state particles implies production of at least one new parti­cle with a new quantum number. Evidence is presented for such events produced using the Fermilah 15' Hydro­gen-Neon Bubble chamber and the external muon identi­fier..
Orsay : , 1976 - 9 p. - Published in : , pp. 319-327 Fulltext: PDF;
In : Colloques Internationaux du CNRS : La Physique des Anneaux de Collision, Flaine, France, 22 - 28 Fev 1976, pp.319-327
2.
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
3.
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
4.
Search for New Phenomena Associated with High Energy Neutrinos Using the Quadrupole Triplet Beam / Camerini, U (Wisconsin U., Madison) ; Cline, D (Wisconsin U., Madison) ; Fry, W F (Wisconsin U., Madison) ; von Krogh, J (Wisconsin U., Madison) ; Loveless, R (Wisconsin U., Madison) ; Mapp, J (Wisconsin U., Madison) ; March, R (Wisconsin U., Madison) ; Reeder, D D (Wisconsin U., Madison) ; Haidt, D (CERN) ; Wachsmuth, H (CERN)
FERMILAB-PROPOSAL-0459.
- 1975. - 12 p.
Fulltext from Fermilab
5.
Determination of $\alpha_S$ using OPAL hadronic event shapes at $\sqrt{s}$ = 91 − 209 GeV and resummed NNLO calculations / OPAL Collaboration
Hadronic event shape distributions from e+e− annihilation measured by the OPAL experiment at centre-of-mass energies between 91 GeV and 209 GeV are used to determine the strong coupling αS. The results are based on QCD predictions complete to the next-to-next-to-leading order (NNLO), and on NNLO calculations matched to the resummed next-to-leading-log-approximation terms (NNLO+NLLA). [...]
arXiv:1101.1470; CERN-PH-EP-2010-089; CERN-PH-EP-2010-089.- Geneva : CERN, 2011 - 21 p. - Published in : Eur. Phys. J. C 71 (2011) 1733 Fulltext: CERN-PH-EP-2010-089 - PDF; arXiv:1101.1470 - PDF; External link: Preprint
6.
$\Sigma$-antihyperon correlations in $Z^{0}$ decay and investigation of the baryon production mechanism / OPAL Collaboration
Data collected around sqrt{s}=91 GeV by the OPAL experiment at the LEP e+e- collider are used to study the mechanism of baryon formation. As the signature, the fraction of Sigma-hyperons whose baryon number is compensated by the production of a Sigma-, Lambda or Xi- antihyperon is determined. [...]
arXiv:0910.2174; CERN-PH-EP-2009-013; CERN-PH-EP-2009-013.- 2009 - 32 p. - Published in : Eur. Phys. J. C 64 (2009) 609-625 Fulltext: arXiv:0910.2174 - PDF; 10052_2009_1175_OnlinePDF - PDF; External link: Preprint
7.
Measurement of $\alpha_{s}$ with Radiative Hadronic Events / OPAL Collaboration
Hadronic final states with a hard isolated photon are studied using data taken at centre-of-mass energies around the mass of the Z0 boson with the OPAL detector at LEP. The strong coupling alpha S is extracted by comparing data and QCD predictions for event shape observables at average reduced centre-of-mass energies ranging from 24 GeV to 78 GeV, and the energy dependence of alpha S is studied. [...]
arXiv:0902.1128; CERN-PH-EP-2007-032; CERN-PH-EP-2007-032.- Geneva : CERN, 2008 - 31 p. - Published in : Eur. Phys. J. C 53 (2008) 21-39 Fulltext: arXiv:0902.1128 - PDF; CERN-PH-EP-2007-032 - PDF; Springer Open Access article: PDF; External link: Fulltext
8.
Measurement of the quark to photon fragmentation function through the inclusive production of prompt photons in hadronic $Z^0$ decays / OPAL Collaboration
The inclusive production of prompt photons with energy above 10 GeV is measured using the OPAL detector in hadronic Z^0 decays at LEP. In contrast to previous measurements, the prompt photons were not required to be isolated. [...]
hep-ex/9708020; CERN-PPE-97-086; CERN-PPE-97-86; CERN-PPE-97-086.- Geneva : CERN, 1998 - 24 p. - Published in : Eur. Phys. J. C 2 (1998) 39-48 Fulltext: PDF; External links: Fulltext; Fulltext
9.
Measurement of the $e^+ e^- \to W^+ W^-$ cross section and W decay branching fractions at LEP / OPAL Collaboration
From a total data sample of 701.1 pb^-1 recorded with e+e- centre-of-mass energies of sqrt = 161-209 GeV with the OPAL detector at LEP, 11693 W-pair candidate events are selected. These data are used to obtain measurements of the W-pair production cross sections at 10 different centre-of-mass energies. [...]
arXiv:0708.1311; CERN-PH-EP-2007-027; OPAL-PR-424; CERN-PH-EP-2007-027.- Geneva : CERN, 2007 - 33 p. - Published in : Eur. Phys. J. C 52 (2007) 767-785 Fulltext: phep-2007-027 - PDF; arXiv:0708.1311 - PDF; External link: DURHAM
10.
Bose-Einstein study of position-momentum correlations of charged pions in hadronic $Z^{0}$ decays / OPAL Collaboration
A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-static emitting source. The results are based on the high statistics data obtained with the OPAL detector at LEP. [...]
arXiv:0708.1122; CERN-PH-EP-2007-025; OPAL-PR423; CERN-PH-EP-2007-025.- Geneva : CERN, 2007 - 25 p. - Published in : Eur. Phys. J. C 52 (2007) 787-803 Fulltext: phep-2007-025 - PDF; arXiv:0708.1122 - PDF; External link: Preprint

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