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11.

Search for Charged Higgs Bosos in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189-209 GeV / OPAL collaboration
A search is made for charged Higgs bosons predicted by Two-Higgs-Doublet extensions of the Standard Model (2HDM) using electron-positron collision data collected by the OPAL experiment at sqrts=189-209 GeV, corresponding to an integrated luminosity of approximately 600pb-1. Charged Higgs bosons are assumed to be pair-produced and to decay into qq, tnt or AWpm. [...]
arXiv:0812.0267; CERN-PH-EP-2008-016; CERN-PH-EP-2008-016.- Geneva : CERN, 2012-07-24 - 32 p. - Published in : Eur. Phys. J. C 72 (2012) 2076 Fulltext: PDF; External links: Fulltext; Fulltext

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12.

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

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13.

Precision Electroweak Measurements and Constraints on the Standard Model / ALEPH Collaboration
This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. [...]
arXiv:0712.0929 ; ALEPH-2007-001-PHYSICS-2007-001 ; CERN-PH-EP-2007-039 ; DELPHI-2007-002-PHYS-949 ; L3-Note-2834 ; LEPEWWG-2007-01 ; OPAL-PR-426. - 2007. - 18 p.
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14.

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: arXiv:0708.1311 - PDF; phep-2007-027 - PDF; External link: DURHAM

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15.

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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16.

Search for Dirac Magnetic Monopoles in $e^{+}e^{-}$ Collisions with the OPAL Detector at LEP2 / OPAL Collaboration
This letter describes a direct search for pair produced magnetic monopoles in e+e- collisions. The analysis is based on 62.7 pb^-1 of data collected with the OPAL detector at an average centre-of-mass energy of sqrt(s)= 206.3GeV. [...]
arXiv:0707.0404; CERN-PH-EP-2007-019; CERN-PH-EP-2007-019.- Geneva : CERN, 2008 - 14 p. - Published in : Phys. Lett. B 663 (2008) 37-42 Fulltext: phep-2007-019 - PDF; arXiv:0707.0404 - PDF; External link: Fulltext

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17.

Search for invisibly decaying Higgs bosons in $e^{+}e^{-} \rightarrow Z^{0}h^{0}$ production at $\sqrt{s} = 183 - 209 GeV$ / OPAL Collaboration
A search is performed for Higgs bosons decaying into invisible final states, produced in association with a Zo boson in e+e- collisions at energies between 183 and 209 GeV. The search is based on data samples collected by the OPAL detector at LEP corresponding to an integrated luminosity of about 660 pb-1. [...]
arXiv:0707.0373; CERN-PH-EP-2007-018; OPAL-PR421; CERN-PH-EP-2007-018.- Geneva : CERN, 2010 - 21 p. - Published in : Phys. Lett. B 682 (2010) 381-390 Fulltext: arXiv:0707.0373 - PDF; phep-2007-018 - PDF; External link: Preprint

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18.

Inclusive Jet Production in Photon-Photon Collisions at $\sqrt{s_{ee}}$ from 189 to 209 GeV / OPAL Collaboration
Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV. Jets are reconstructed using the kp jet algorithm. [...]
arXiv:0706.4382; CERN-PH-EP-2007-016; CERN-PH-EP-2007-016.- Geneva : CERN, 2008 - 17 p. - Published in : Phys. Lett. B 658 (2008) 185-192 Fulltext: phep-2007-016 - PDF; arXiv:0706.4382 - PDF; External links: Fulltext; Rivet analyses reference

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19.

A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2006 / ALEPH Collaboration
This note presents a combination of published and preliminary electroweak results from the four LEP collaborations ALEPH, DELPHI, L3 and OPAL based on electron-positron collision data taken at centre-of-mass energies above the Z-pole, $130 \GeV$ to $209 \GeV$ (\LEPII), as prepared for the 2006 summer conferences. [...]
hep-ex/0612034 ; CERN-PH-EP-2006-042 ; LEPEWWG-2006-01 ; ALEPH-2006-001-PHYSICS-2006-001 ; DELPHI-2006-014-PHYS-948 ; L3-NOTE-2833 ; OPAL-PR-419 ; ALEPH-2006-001 PHYSICS-2006-001 ; CERN-L3-310 ; CERN-PH-EP-2006-042 ; DELPHI-2006-014 PHYS-948 ; L3-Note-2833 ; LEPEWWG-2006-01 ; OPAL-PR-419. - 2006. - 173 p.
Preprint - Full text - Fulltext

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20.

A preliminary Combination of LEP-II results for the reaction $e{+}e{-}\ to \Gamma \Gamma (\Gamma)$ and interpretations / Alcaraz, J ; Bajo-Vaquero, A ; Checchia, P ; Gonçalves, P ; Sachs, K ; Taylor, G
DELPHI-2001-139-PHYS-910 ; CERN-DELPHI-2001-139-PHYS-910 ; L3-Note-2721 ; OPAL-TN-708 ; LEP2-FF-01-03. - 2001. - 8 p.
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Veja também: nomes de autores similares
220	Sachs, K.
1	Sachs, Kai
2	Sachs, Karl
3	Sachs, Kirsten

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