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CERN Document Server 2,020 Datensätze gefunden  1 - 10nächsteEnde  gehen zum Datensatz: Die Suche hat 0.42 Sekunden gedauert. 
1.
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Azimuthal Angle Correlations for Higgs Boson plus Multi-Jet Events / Andersen, Jeppe R. (CERN) ; Arnold, Ken (KIT, Karlsruhe) ; Zeppenfeld, Dieter (KIT, Karlsruhe)
At lowest order in perturbation theory, the scattering matrix element for Higgs boson production in association with dijets displays a strong correlation in the azimuthal angle between the dijets, induced by the CP-properties of the Higgs Boson coupling. However, the phase space cuts necessary for a clean extraction of the CP-properties simultaneously induce large corrections from emissions of hard radiation and thus formation of extra jets. [...]
arXiv:1001.3822; CERN-PH-TH-2010-003; KA-TP-05-2010; CERN-PH-TH-2010-003; KA-TP-05-2010.- 2010 - 23 p. - Published in : JHEP 06 (2010) 091 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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2.
(91)
CP-properties of the Higgs-boson couplings from H + dijets through gluon fusion / Andersen, Jeppe R. (CERN)
At lowest order in perturbation theory, the production of a Higgs boson in association with dijets displays a strong correlation in the azimuthal angle between the dijets, induced by the CP-properties of the Higgs Boson coupling. However, the phase space cuts necessary for a clean extraction of the CP-properties in the gluon fusion channel simultaneously induce large corrections from emissions of hard radiation and thus formation of additional jets. [...]
arXiv:1006.2563; CERN-PH-TH-2010-133.- 2010 - 5 p. - Published in : , pp. 211-216 Fulltext: PDF; Preprint: PDF; External link: Preprint
In : 45th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 13 - 20 Mar 2010, pp.211-216
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3.
(43)
Monte Carlo studies of the jet activity in Higgs + 2 jet events / Del Duca, V (CERN) ; Klamke, G ; Mangano, Michelangelo L (CERN) ; Moretti, M ; Piccinini, F ; Pittau, R ; Polosa, A D ; Zeppenfeld, Dieter
Tree-level studies have shown in the past that kinematical correlations between the two jets in Higgs+2-jet events are direct probes of the Higgs couplings, e.g. of their CP nature. [...]
hep-ph/0608158; CERN-PH-TH-2006-270; DFTT-2006-14; FNT-T-2006-07; KA-TP-2006-06.- Torino : Torino Univ., 2006 - 12 p. - Published in : JHEP 10 (2006) 016 Access to fulltext document: PDF; SISSA/IOP Published version, local copy: PDF; External link: hep-ph/0608158 PDF
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4.
(27)
High Energy Description of Processes with Multiple Hard Jets / Andersen, Jeppe R. (CERN) ; Smillie, Jennifer M. (University Coll. London)
High Energy Jets (HEJ) is a new framework for approximating the all-order perturbative corrections to multi-jet processes, with a focus on the hard, wide-angle QCD emissions, which underpins the perturbative description of hard jets. In this contribution we review the basic concepts of HEJ, and present some new predictions for observables in dijet-production, and for W-boson production in association with at least 3 jets..
arXiv:1007.4449; CERN-PH-TH-2010-167; CERN-PH-TH-2010-167.- 2010 - 6 p. - Published in : Nucl. Phys. B, Proc. Suppl. 205-206 (2010) 205-210 Fulltext: PDF; External link: Preprint
In : 10th DESY workshop on elementary particle theory: loops and legs in quantum field theory, Wörlitz, Germany, 25 - 30 Apr 2010, pp.205-210
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5.
(27)
New framework for multijet predictions and its application to Higgs boson production at the Large Hadron Collider / Andersen, Jeppe R. (CERN) ; White, Chris D. (NIKHEF, Amsterdam)
We present a new framework for calculating multi-jet observables through a resummation of hard emission. The framework is based on the high energy factorisation of amplitudes, with the region of applicability extended by constraining the analytic properties of the scattering amplitudes according to known all-order results. [...]
arXiv:0802.2858; CERN-PH-TH-2008-036; NIKHEF-2008-002; CERN-PH-TH-2008-036; NIKHEF-2008-002.- 2008 - 5 p. - Published in : Phys. Rev. D 78 (2008) 051501(R) APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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6.
(24)
All-Order Corrections and Multi-Jet Rates / Andersen, Jeppe R. (CERN) ; Smillie, Jennifer M. (University Coll. London)
We discuss results from a recently proposed all-order description of hard, radiative corrections to certain multi-jet processes at hadron colliders. The description is based on obtaining an all-order estimate of the t-channel singularities of scattering amplitudes. [...]
arXiv:1001.4463; CERN-PH-TH-2010-007; CERN-PH-TH-2010-007.- 2010 - 6 p. - Published in : PoS: RADCOR2009 (2010) , pp. 019
Fulltext: RADCOR2009_019 - PDF; arXiv:1001.4463 - PDF; External link: Proceedings of Science Server
In : 9th International Symposium On Radiative Corrections : applications Of Quantum Field Theory To Phenomenology, Ascona, Switzerland, 25 Oct - 30 Oct 2009, pp.019
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7.
(24)
Mass, width and CP-measurements - ATLAS / Lang, Valerie (Albert Ludwigs Universitaet Freiburg (DE)) /ATLAS Collaboration
The talk discusses the most recent ATLAS results related to the mass, width and CP-properties of the Higgs boson..
ATL-PHYS-SLIDE-2024-449.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Higgs Hunting 2024, Orsay, Fr, 23 - 25 Sep 2024
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8.
(23)
Higgs Boson Production in Association with Multiple Hard Jets / Andersen, Jeppe R. (CERN) ; Del Duca, Vittorio (Frascati) ; White, Chris D. (NIKHEF, Amsterdam)
We elucidate a new technique for estimating the production of multiple (at least two) hard jets in Higgs production via gluon-gluon fusion. The approach is based upon high energy factorisation, with the region of applicability extended by constraints on the analytic behaviour of the scattering amplitudes stemming from known all-order results. [...]
arXiv:0808.3696; CERN-PH-TH-2008-178; NIKHEF-2008-010; CERN-PH-TH-2008-178; NIKHEF-2008-010.- Geneva : CERN, 2009 - 40 p. - Published in : JHEP 02 (2009) 015 Fulltext: arXiv:0808.3696 - PDF; JHEP02(2009)015 - PDF; SISSA/IOP Open Access article: PDF; External link: Preprint
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9.
(23)
NLO matrix elements and truncated showers / Hoche, Stefan (Zurich U.) ; Krauss, Frank (Durham U., IPPP ; CERN) ; Schonherr, Marek (Dresden, Tech. U.) ; Siegert, Frank (Durham U., IPPP ; University Coll. London)
In this publication, an algorithm is presented that combines the ME+PS approach to merge sequences of tree-level matrix elements into inclusive event samples with the POWHEG method, which combines exact next-to-leading order matrix element results with the parton shower. It was developed in parallel to the MENLOPS technique and has been implemented in the event generator Sherpa. [...]
arXiv:1009.1127; ZU-TH-13-10; IPPP-10-73; DCPT-10-146; CERN-PH-TH-2010-195; MCNET-10-17; ZU-TH 13-10; IPPP-10-73; DCPT-10-146; CERN-PH-TH-2010-195; MCNET-10-17.- 2011 - 27 p. - Published in : JHEP 08 (2011) 123 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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10.
(22)
Dijet rates with symmetric $E_t$ cuts / Banfi, A ; Das-Gupta, M (CERN)
We consider dijet production in the region where symmetric cuts on the transverse energy, $E_t$, are applied to the jets. In this region next-to--leading order calculations are unreliable and an all-order resummation of soft gluon effects is needed, which we carry out [...]
hep-ph/0312108; CERN-TH-2003-237.- Geneva : CERN, 2004 - 28 p. - Published in : JHEP 01 (2004) 027 Access to fulltext document: PDF; SISSA/IOP Published version, local copy: PDF; External link: hep-ph/0312108 PDF - CERN library copies
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