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Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV

Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV
Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV

A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson hS is presented. The h and hS bosons are required to decay into a pair of tau leptons and a pair of b quarks, respectively. The search uses a sample of proton-proton collisions collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 137 fb−1. Mass ranges of 240–3000 GeV for mH and 60–2800 GeV for mhS are explored in the search. No signal has been observed. Model independent 95% confidence level upper limits on the product of the production cross section and the branching fractions of the signal process are set with a sensitivity ranging from 125 fb (for mH = 240 GeV) to 2.7 fb (for mH = 1000 GeV). These limits are compared to maximally allowed products of the production cross section and the branching fractions of the signal process in the next-to-minimal supersymmetric extension of the standard model. [Figure not available: see fulltext.]

Hadron-Hadron scattering (experiments), Higgs physics
Adam, Wolfgang
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Andrejkovic, Janik Walter
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Bergauer, Thomas
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Valle, Alberto Escalante del
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Fruehwirth, Rudolf
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Schieck, Jochen
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Spanring, Markus
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Templ, Sebastian
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Waltenberger, Wolfgang
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Litomin, Aliaksandr
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Kello, Tomas
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Lelek, Aleksandra
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Rejeb Sfar, Haifa
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Van Mechelen, Pierre
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Van Putte, Senne
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Remortel, Nick van
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Blekman, Freya
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Bols, Emil Sørensen
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D'Hondt, Jorgen
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Clercq, Jarne De
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Delcourt, Martin
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Wang, Yi
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Wang, Jin
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Chen, Cheng
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Kasem, A.
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Aggleton, Robin
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Kumar, Deepak
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Kim, Jae Sung
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Kim, S.
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Lee, Jason Sang Hun
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Lee, Y
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Yang, S
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Belyaev, Alexander
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James, Thomas
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The CMS Collaboration
Adam, Wolfgang
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Andrejkovic, Janik Walter
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Bergauer, Thomas
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Chatterjee, Suman
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Dragicevic, Marko
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Valle, Alberto Escalante del
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Fruehwirth, Rudolf
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Jeitler, Manfred
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Krammer, Natascha
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Lechner, Lukas
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Liko, Dietrich
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Mikulec, Ivan
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Paulitsch, Peter
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Pitters, Florian Michael
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Schieck, Jochen
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Spanring, Markus
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Templ, Sebastian
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Waltenberger, Wolfgang
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Wulz, Claudia-Elisabeth
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Chekhovsky, Vladimir
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Litomin, Aliaksandr
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Makarenko, Vladimir
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Darwish, Mohamed Rashad
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De Wolf, Eddi A
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Janssen, Tahys
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Kello, Tomas
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Lelek, Aleksandra
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Rejeb Sfar, Haifa
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Van Mechelen, Pierre
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Van Putte, Senne
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Remortel, Nick van
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Blekman, Freya
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Bols, Emil Sørensen
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D'Hondt, Jorgen
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Clercq, Jarne De
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Delcourt, Martin
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Wang, Yi
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Wang, Jin
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Chen, Cheng
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Kasem, A.
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Aggleton, Robin
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Kumar, Deepak
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Kim, Jae Sung
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Kim, S.
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Lee, Jason Sang Hun
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Lee, Y
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Yang, S
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Belyaev, Alexander
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James, Thomas
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Belyaev, Alexander , The CMS Collaboration (2021) Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV. Journal of High Energy Physics, 2021 (11), [57]. (doi:10.1007/JHEP11(2021)057).

Record type: Article

Abstract

A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson hS is presented. The h and hS bosons are required to decay into a pair of tau leptons and a pair of b quarks, respectively. The search uses a sample of proton-proton collisions collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 137 fb−1. Mass ranges of 240–3000 GeV for mH and 60–2800 GeV for mhS are explored in the search. No signal has been observed. Model independent 95% confidence level upper limits on the product of the production cross section and the branching fractions of the signal process are set with a sensitivity ranging from 125 fb (for mH = 240 GeV) to 2.7 fb (for mH = 1000 GeV). These limits are compared to maximally allowed products of the production cross section and the branching fractions of the signal process in the next-to-minimal supersymmetric extension of the standard model. [Figure not available: see fulltext.]

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e-pub ahead of print date: 9 November 2021
Published date: November 2021
Additional Information: Publisher Copyright: © 2021, The Author(s). Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
Keywords: Hadron-Hadron scattering (experiments), Higgs physics

Identifiers

Local EPrints ID: 452346
URI: http://eprints.soton.ac.uk/id/eprint/452346
PURE UUID: f56aa481-a932-46cc-a1ec-f8a118e42ab6
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 08 Dec 2021 18:46
Last modified: 28 Apr 2022 01:58

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Contributors

Author: Wolfgang Adam
Author: Janik Walter Andrejkovic
Author: Thomas Bergauer
Author: Suman Chatterjee
Author: Marko Dragicevic
Author: Alberto Escalante del Valle
Author: Rudolf Fruehwirth
Author: Manfred Jeitler
Author: Natascha Krammer
Author: Lukas Lechner
Author: Dietrich Liko
Author: Ivan Mikulec
Author: Peter Paulitsch
Author: Florian Michael Pitters
Author: Jochen Schieck
Author: Schoefbeck Robert
Author: Markus Spanring
Author: Sebastian Templ
Author: Wolfgang Waltenberger
Author: Claudia-Elisabeth Wulz
Author: Vladimir Chekhovsky
Author: Aliaksandr Litomin
Author: Vladimir Makarenko
Author: Mohamed Rashad Darwish
Author: Eddi A De Wolf
Author: Tahys Janssen
Author: Tomas Kello
Author: Aleksandra Lelek
Author: Haifa Rejeb Sfar
Author: Pierre Van Mechelen
Author: Senne Van Putte
Author: Nick van Remortel
Author: Freya Blekman
Author: Emil Sørensen Bols
Author: Jorgen D'Hondt
Author: Jarne De Clercq
Author: Martin Delcourt
Author: Yi Wang
Author: Jin Wang
Author: Cheng Chen
Author: A. Kasem
Author: Robin Aggleton
Author: Deepak Kumar
Author: Jae Sung Kim
Author: S. Kim
Author: Jason Sang Hun Lee
Author: Y Lee
Author: S Yang
Author: Thomas James
Corporate Author: The CMS Collaboration

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