CERN Accelerating science

L3 Conference Proceedings

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2017-12-08
06:44
Difermion Cross-sections At LEPII / Sachs, K (Freiburg U.)
Precision measurements at LEPII provide a unique test of Standard Model predictions. Re­sults from the four LEP collaborations ALEPH, DELPIII, L3 and OPAL on the difermion cross sections and asymmetries obtained at centre-of- mass energies between 192 and 202 GeV are presented. [...]
Hanoi : The Gioi, 2001 - 8 p. - Published in : , pp. 405-412 Fulltext: PDF;
In : 35th Rencontres de Moriond: Electroweak Interactions and Unified Theories, Les Arcs, France, 11 - 18 Mar 2000, pp.405-412

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2017-12-08
06:44
Measurement of the mass of the W boson at LEP and determination of electroweak parameters / Straessner, A (Aachen, Tech. Hochsch.)
Precise measurements of the W mass and width performed at LEP are presented, which yield $M_W$ = 80.427 ± 0.046 GeV and $Γ_W$ = 2.12 ± 0.11 GeV. A comparison is made between this direct determination and the W mass value obtained indirectly in an analysis of other electroweak measurements. [...]
2002 - 9 p. - Published in : Subnucl. Ser.: 38 (2002) , pp. 647-655
- Published in : , pp. 535-364 Fulltext: PDF;

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2017-12-05
06:20
Measurement of the W mass at LEP2 / Parkes, Chris J (Liverpool U.) /LEP
2000 - 5 p. - Published in : , pp. 205-209 fulltext: PDF;
In : 35th Rencontres de Moriond, Les Arcs, France, 18 - 25 Mar 2000, pp.205-209

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2017-12-05
06:20
Bose-Einstein correlations in W+ W- events at LEP2 / van Dalen, Jorn A (Nijmegen U.)
Analyses of Bose-Einstein Correlations in w+w- events at LEP2 by the four LEP collaborations are presented. In particular, Bose-Einstein correlations in w+w- overlap are investigated and the possible existence of these correlations between particles coming from different W's, which may influence the W mass measurements in the fully-hadronic channel e+e- --+ w+w- --+ qiihq3ij<. [...]
2000 - 6 p. - Published in : , pp. 233-238 fulltext: PDF;
In : 35th Rencontres de Moriond, Les Arcs, France, 18 - 25 Mar 2000, pp.233-238

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2017-12-05
06:20
2-fermion and 4-fermion production at LEP2 / van Vulpen, Ivo B (NIKHEF, Amsterdam)
We present the measurements on 2-fermion and 4-fermion production in e + e - collisions at centre-of-mass energies ranging from 192 to 202 Ge V as collected by the 4 LEP experiments in 1999. For processes with 2-fermions in the final state we present both production cross sections and asymmetries for event samples at low and high effective centre-of-mass energies, where the latter process is sensitive to possible contributions from various non-SM physics, like contact interactions or Z' exchange, and can therefore be used to set limits on parameters in those models [...]
2000 - 4 p. - Published in : , pp. 245-248 fulltext: PDF;
In : 35th Rencontres de Moriond, Les Arcs, France, 18 - 25 Mar 2000, pp.245-248

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2017-12-05
06:20
Power corrections and event shapes at LEP / Sanders, Michiel P (Nijmegen U.)
Measurements of event shape variables from hadronic events collected by the LEP experiments, corresponding to hadronic center of mass energies between 30 GeV and 202 GeV are presented. Fits are performed to extract a, and the effective infrared strong coupling <>o with the power correction ansatz. [...]
2000 - 4 p. - Published in : , pp. 261-264 fulltext: PDF;
In : 35th Rencontres de Moriond, Les Arcs, France, 18 - 25 Mar 2000, pp.261-264

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2017-11-29
06:00
Searches for Higgs bosons and supersymmetry at LEP / van Vulpen, I B (CERN)
This note presents an overview of the main results from searches for Higgs bosons and supersymmetry at LEP. Most of the results presented here are combined results from the four LEP experiments (ALEPH, DELPHI, L3 and OPAL). [...]
2004 - 8 p. - Published in : , pp. 67-74 fulltext: PDF;
In : 39th Rencontres de Moriond, La Thuile, Italy, 21 - 28 Mar 2004, pp.67-74

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2016-04-21
06:37
Preliminary results on charm production in W decays
L3-NOTE-2232.
- 1998. - 12 p.
Full text

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2016-02-23
11:55
The determination of electroweak parameters from $Z^{0}$ decays into charged leptons : L3 experiment / Lohmann, W (DESY, Zeuthen) /L3
1991 - Published in : (1991) , pp. 61-67
In : 1st International Triangle Workshop JINR-CERN-IHEP : Standard Model and beyond : from LEP to UNK and LHC, Dubna, Soviet Union, 1 - 5 Oct 1990, pp.61-67

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2016-01-14
06:15
A Test of QCD based on 4 jet events from $Z^{0}$ decays / McBride, P L (Harvard U.) /L3
Th e measure d angula r correlation s betwee n jet s i n 4-je t event s fro m Z ° boso n decay s ar e wel l reproduce d b y QCD . A n alternativ e abelia n mode l fail s t o describ e th e data . [...]
1991 - 5 p. - Published in : AIP Conf. Proc.: 2 (1991) , pp. 877-881 Published version: PDF;
In : 25th International Conference on High-Energy Physics, Singapore, Singapore, 2 - 8 Aug 1990, pp.877-881

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