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Maximal deviations of the scalar boson couplings if no further particle is seen / Gupta, Rick S (Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D (CERN ; Michigan U.)
In the light of the discovery of a Higgs boson like particle and no evidence of particles beyond the Standard Model the question arises: How much can the coupling of the Higgs boson to other particles deviate from the Standard Model Higgs couplings if no further particles will be discovered at the LHC and how precise have Higgs coupling measurements to be to capture these deviations? In the context of three dierent models (a model with a singlet Higgs boson mixed-in, a composite Higgs boson model and the Minimal Supersymmetric Standard Model) these questions will be answered..
2013 Fulltext: PDF;
In : 48th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 2 - 9 Mar 2013, pp.299-304

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How well do we need to measure the Higgs boson mass and self-coupling? / Gupta, Rick S. (Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D. (CERN ; Michigan U.)
Much of the discussion regarding future measurements of the Higgs boson mass and self-coupling is focussed on how well various collider options can do. In this article we ask a physics-based question of how well do we need colliders to measure these quantities to have an impact on discovery of new physics or an impact in how we understand the role of the Higgs boson in nature. [...]
arXiv:1305.6397; CERN-PH-TH-2013-101; CERN-PH-TH-2013-101.- 2013-09-27 - 12 p. - Published in : Phys. Rev. D 88 (2013) 055024 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint

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Gluon-induced Higgs-strahlung at next-to-leading order QCD / Altenkamp, Lukas (Freiburg U.) ; Dittmaier, Stefan (Freiburg U.) ; Harlander, Robert V. (Wuppertal U.) ; Rzehak, Heidi (CERN ; Freiburg U.) ; Zirke, Tom J.E. (Wuppertal U.)
Gluon-induced contributions to the associated production of a Higgs and a Z-boson are calculated with NLO accuracy in QCD. They constitute a significant contribution to the cross section for this process. [...]
arXiv:1211.5015; CERN-PH-TH-2012-312; FR-PHENO-2012-023; WUB-12-21; CERN-PH-TH-2012-312; FR-PHENO-2012-023; WUB-12-21.- 2013 - 30 p. - Published in : JHEP 02 (2013) 078 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint

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How well do we need to measure Higgs boson couplings? / Gupta, Rick S. (CERN ; Michigan U. ; Barcelona, IFAE) ; Rzehak, Heidi (CERN) ; Wells, James D. (CERN ; Michigan U.)
Most of the discussion regarding the Higgs boson couplings to Standard Model vector bosons and fermions is presented with respect to what present and future collider detectors will be able to measure. Here, we ask the more physics-based question of how well do we need to measure the Higgs boson couplings? We first present a reasonable definition of "need" and then investigate the answer in the context of various highly motivated new physics scenarios: supersymmetry, mixed-in hidden sector Higgs bosons, and a composite Higgs boson. [...]
arXiv:1206.3560; CERN-PH-TH-2012-158; CERN-PH-TH-2012-158.- 2012 - 9 p. - Published in : Phys. Rev. D 86 (2012) 095001 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint

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New Physics backgrounds to the H -> WW search at the LHC? / Feigl, Bastian (KIT, Karlsruhe, TP) ; Rzehak, Heidi (CERN) ; Zeppenfeld, Dieter (KIT, Karlsruhe, TP)
The searches for H -> WW events at the LHC use data driven techniques for estimating the q qbar -> WW background, by normalizing the background cross section to data in a control region. We investigate the possibility that new physics sources which mainly contribute to the control region lead to an overestimate of Standard Model backgrounds to the Higgs boson signal and, thus, to an underestimate of the H -> WW signal. [...]
arXiv:1205.3468; KA-TP-21-2012; CERN-PH-TH-2012-131; KA-TP-21-2012; CERN-PH-TH-2012-131.- 2012-10-31 - 13 p. - Published in : Phys. Lett. B 717 (2012) 390-395 External link: Preprint

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26	Rzehak, H
21	Rzehak, H.

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