Boosted Higgs Shapes

Schlaffer, Matthias; Wymant, Chris; Spannowsky, Michael; Weiler, Andreas; Takeuchi, Michihisa

doi:10.1140/epjc/s10052-014-3120-z

Article
Report number	arXiv:1405.4295 ; IPPP-14-35 ; DCPT-14-70 ; CERN-PH-TH-2014-083 ; DESY-14-069 ; KCL-PH-TH-2014-22 ; IPPP-14-35 ; DCPT-14-70 ; CERN-PH-TH-2014-083 ; DESY-14-069 ; KCL-PH-TH-2014-22
Title	Boosted Higgs Shapes
Author(s)	Schlaffer, Matthias (DESY) ; Spannowsky, Michael (Durham U., IPPP) ; Takeuchi, Michihisa (King's Coll. London) ; Weiler, Andreas (DESY ; CERN) ; Wymant, Chris (Durham U., IPPP ; Annecy, LAPTH)
Publication	2014-10-29
Imprint	16 May 2014
Number of pages	14
Note	Comments: 17 pages, 7 figures, 6 tables. Added references and minor clarifications. Matches published version 17 pages, 7 figures, 6 tables. Added references and minor clarifications. Matches published version
In:	Eur. Phys. J. C 74 (2014) 3120
DOI	10.1140/epjc/s10052-014-3120-z
Subject category	Particle Physics - Phenomenology
Abstract	The inclusive Higgs production rate through gluon fusion has been measured to be in agreement with the Standard Model (SM). We show that even if the inclusive Higgs production rate is very SM-like, a precise determination of the boosted Higgs transverse momentum shape offers the opportunity to see effects of natural new physics. These measurements are generically motivated by effective field theory arguments and specifically in extensions of the SM with a natural weak scale, like composite Higgs models and natural supersymmetry. We show in detail how a measurement at high transverse momentum of $H\to 2\ell+\mathbf{p}\!\!/_T$ via $H\to \tau\tau$ and $H\to WW^*$ could be performed and demonstrate that it offers a compelling alternative to the $t\bar t H$ channel. We discuss the sensitivity to new physics in the most challenging scenario of an exactly SM-like inclusive Higgs cross-section.
Copyright/License	preprint: © 2014-2024 CERN (License: CC-BY-3.0) publication: © 2014-2024 The Author(s) (License: CC-BY-4.0), sponsored by SCOAP³

$Left panel: model points generated for this analysis in $(c_t, \kappa_g)$ plane. The shaded area shows parameter space which gives the inclusive cross-section consistent to the SM prediction within 20\%. Right panel: parton level $p_{T,H}$ distributions for the SM, and $(c_t,\kappa_g)=(1 -\kappa_g, \kappa_g)$ with $\kappa_g =\pm 0.1,\pm 0.3,\pm 0.5$.$ $Left panel: model points generated for this analysis in $(c_t, \kappa_g)$ plane. The shaded area shows parameter space which gives the inclusive cross-section consistent to the SM prediction within 20\%. Right panel: parton level $p_{T,H}$ distributions for the SM, and $(c_t,\kappa_g)=(1 -\kappa_g, \kappa_g)$ with $\kappa_g =\pm 0.1,\pm 0.3,\pm 0.5$.$ $Cross-sections normalized by the SM value after applying several $p_{T,H}$ cuts in parton level for several model points $(c_t,\kappa_g)$.$ Show more plots

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