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CERN Document Server 2,007 records found  1 - 10nextend  jump to record: Search took 0.78 seconds. 
1.
(100)
The $t \to WZb$ decay in the Standard Model : A Critical Reanalysis / Altarelli, Guido (Geneva U. ; Rome III U. ; INFN, Rome3) ; Conti, L. (Rome III U. ; INFN, Rome3) ; Lubicz, V. (Rome III U. ; INFN, Rome3)
We compute the t->WZb decay rate, in the Standard Model, at the leading order in perturbation theory, with special attention to the effects of the finite widths of the W and Z bosons. These effects are extremely important, since the t->WZb decay occurs near its kinematical threshold. [...]
hep-ph/0010090; CERN-TH-2000-170; RM3-TH-00-12; CERN-TH-2000-170; RM-3-TH-2000-12.- Geneva : CERN, 2001 - 11 p. - Published in : Phys. Lett. B 502 (2001) 125-32 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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2.
(57)
Finite-width Effects In Top Quark Production At Hadron Colliders / Kauer, N
Production cross sections for <italic>tt&macr;</italic> and <italic> tt&macr;j</italic> events at hadron colliders are calculated, including finite-width effects and off-resonance contributions for the entire decay chain, <italic> t</italic> &rarr; < [...]
Madison, WI : Wisconsin Univ., 2001. - 107 p.
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3.
(55)
Four-fermion production near the W pair production threshold / Beneke, Martin (Aachen, Tech. Hochsch.) ; Falgari, Pietro (Aachen, Tech. Hochsch.) ; Schwinn, Christian (Aachen, Tech. Hochsch.) ; Signer, Adrian (Durham U., IPPP) ; Zanderighi, Giulia (CERN)
We perform a study of the four-fermion production process e- e+ -> mu- nubar_mu u dbar X near the W pair-production threshold in view of the importance of this process for a precise measurement of the W boson mass. Accurate theoretical predictions for this process require a systematic treatment of finite-width effects. [...]
arXiv:0707.0773; PITHA-07-05; IPPP-07-35; CERN-PH-TH-07-107; PITHA 07-05; IPPP-07-35; CERN-PH-TH-2007-107.- 2008 - 53 p. - Published in : Nucl. Phys. B 792 (2008) 89-135 Fulltext: PDF; External link: Preprint
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4.
(49)
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What is the iε for the S-matrix? / Mizera, Sebastian (speaker) (IAS)
Can the S-matrix be complexified in a way consistent with causality? Since the 1960's, the affirmative answer to this question has been well-understood for 2→2 scattering of the lightest particle in theories with a mass gap at low momentum transfer, where the S-matrix is analytic everywhere except at normal-threshold branch cuts. We ask whether an analogous picture extends to realistic theories, such as the Standard Model, that include massless fields, UV/IR divergences, and unstable particles. [...]
2022 - 3959. Theory Colloquia External link: Event details In : What is the iε for the S-matrix?
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5.
(48)
Associated WH production at hadron colliders: a fully exclusive QCD calculation at NNLO / Ferrera, G (INFN, Florence ; Florence U., Dept. Astron. Space Sci.) ; Grazzini, M (Zurich U.) ; Tramontano, F (CERN)
We consider QCD radiative corrections to Standard Model Higgs boson production in association with a W boson in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. [...]
arXiv:1107.1164; CERN-PH-TH-2011-159; ZU-TH 14-11.- 2011 - 7 p. - Published in : Phys. Rev. Lett. 107 (2011) 152003 APS Published version, local copy: PDF; External link: Preprint
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6.
(48)
Herwig++ 2.3 Release Note / Bahr, M. (Karlsruhe U., ITP) ; Gieseke, S. (Karlsruhe U., ITP) ; Gigg, M. (Durham U., IPPP ; Durham U.) ; Grellscheid, D. (Durham U., IPPP ; Durham U.) ; Hamilton, K. (Louvain U., CP3) ; Platzer, S. (Karlsruhe U., ITP) ; Richardson, P. (Durham U., IPPP ; Durham U.) ; Seymour, M.H. (CERN ; Manchester U.) ; Tully, J. (Durham U., IPPP ; Durham U.)
A new release of the Monte Carlo program Herwig++ (version 2.3) is now available. [...]
arXiv:0812.0529 ; CERN-PH-TH-2008-213 ; CP3-08-51 ; IPPP-08-75 ; DCPT-08-150 ; KA-TP-27-2008 ; CERN-PH-TH-2008-213 ; CP3-08-51 ; DCPT-08-150 ; IPPP-08-75 ; KA-TP-27-2008. - 2008. - 10 p.
Preprint - Full text
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7.
(46)
Timelike Dipole-Antenna Showers with Massive Fermions / Gehrmann-De Ridder, Aude (Zurich, ETH) ; Ritzmann, Mathias (Zurich, ETH) ; Skands, Peter Z. (CERN)
We present a complete formalism for final-state (timelike) dipole-antenna showers including fermion masses, but neglecting polarization and finite-width effects. We make several comparisons of tree-level expansions of this shower algorithm to fixed-order matrix elements for hadronic Z decays, up to and including Z to 6 partons, to which the algorithm can be consistently matched over all of phase space. [...]
arXiv:1108.6172; CERN-TH-2011-133; MCNET-11-19; CERN-TH-2011-133; MCNET-11-19; MCNET-11-19; CERN-PH-TH-2011-133.- 2012 - 50 p. - Published in : Phys. Rev. D 85 (2012) 014013 APS published version, local copy: PDF; Preprint: PDF; External link: Preprint
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8. Recommendations of the Finance Committee to Council as to the Financing of the 1965 Supplementary Programme
Recommandations du Comité des Finances au Conseil au sujet du financement du programme supplémentaire pour 1965
CERN/0572
28th Session of Council ; 1964
English: PDF
French: PDF
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9. Expenditure in Excess of Provisions
Dépassements de crédits
CERN/FC/0726/Add.
64th Meeting of Finance Committee ; 1964
English: PDF
French: PDF
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10. List of Participants
Liste des participants
CERN/FC/0740
64th Meeting of Finance Committee ; 1964
English: PDF
French: PDF
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