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Standard model Higgs boson pair production in the ( bb¯ )( bb¯ ) final state

Ferreira de Lima, Danilo; Papaefstathiou, Andreas; Spannowsky, Michael

Standard model Higgs boson pair production in the ( bb¯ )( bb¯ ) final state Thumbnail


Danilo Ferreira de Lima

Andreas Papaefstathiou


Measuring the Higgs boson couplings as precisely as possible is one of the major goals of the High Luminosity LHC. We show that the ( bb ¯ )( bb ¯ ) final state in Higgs boson pair production can be exploited in the boosted regime to give constraints on the trilinear Higgs boson self-coupling. In these exclusive phase space regions, novel jet substructure techniques can be used to separate the signal from the large QCD and electroweak backgrounds. New developments on trigger and b-tagging strategies for the upcoming LHC runs are necessary in order to reconstruct the Higgs bosons in boosted final states, where the trilinear self-coupling sensitivity is reduced. We find that using our approach one can set a limit for λ ≤ 1.2 at 95% CL after 3000 fb−1. As the signal-to-background ratio is small, we propose a data-driven side-band analysis to improve on the coupling measurement.


Ferreira de Lima, D., Papaefstathiou, A., & Spannowsky, M. (2014). Standard model Higgs boson pair production in the ( bb¯ )( bb¯ ) final state. Journal of High Energy Physics, 2014(8), Article 030.

Journal Article Type Article
Acceptance Date Jul 9, 2014
Online Publication Date Aug 6, 2014
Publication Date Aug 6, 2014
Deposit Date Dec 12, 2014
Publicly Available Date Apr 27, 2015
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2014
Issue 8
Article Number 030
Keywords Jets, Hadronic Colliders.


Published Journal Article (601 Kb)

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Copyright Statement
Open Access, © The Authors. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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