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Higgs pair production at the LHC through the flavon

Higgs pair production at the LHC through the flavon
Higgs pair production at the LHC through the flavon
The detection of a single Higgs boson at the Large Hadron Collider (LHC) has allowed one to probe some properties of it, including the Yukawa and gauge couplings. However, in order to probe the Higgs potential, one has to rely on new production mechanisms, such as Higgs pair production. In this paper, we show that such a channel is also sensitive to the production and decay of a so-called `Flavon' field ($H_F$), a new scalar state that arises in models that attempt to explain the hierarchy of the Standard Model (SM) fermion masses. In particular, we show that, with 300 fb$^{-1}$ of accumulated data at 14 TeV (the Run 3 stage) of the LHC an heavy Flavon $H_F$ with mass $M_{H_F} \simeq 2m_t $ can be explored with $5\sigma $ significance through the channel $pp \to H_F\to hh~(h\to \gamma \gamma, h\to b \bar{b})$. However, to probe the $M_{H_F} \sim 1 $ TeV range, one has to rely on the High-Luminosity LHC (HL-LHC).
hep-ph
Arroyo-Ureña, Marco A.
70c12a0e-152a-4a93-8687-8b14f61e5482
Chakraborty, Amit
959eb0eb-b732-4d9e-923d-4cc3ed65a47e
Díaz-Cruz, J. Lorenzo
141a44ed-43bd-4221-8a5d-af74f5505ab8
Ghosh, Dilip Kumar
465cfb7e-9af3-4393-bec2-b179799b8118
Khan, Najimuddin
e9c3c7dd-cc26-4629-885c-29c56f7b51d4
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Arroyo-Ureña, Marco A.
70c12a0e-152a-4a93-8687-8b14f61e5482
Chakraborty, Amit
959eb0eb-b732-4d9e-923d-4cc3ed65a47e
Díaz-Cruz, J. Lorenzo
141a44ed-43bd-4221-8a5d-af74f5505ab8
Ghosh, Dilip Kumar
465cfb7e-9af3-4393-bec2-b179799b8118
Khan, Najimuddin
e9c3c7dd-cc26-4629-885c-29c56f7b51d4
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614

[Unknown type: UNSPECIFIED]

Record type: UNSPECIFIED

Abstract

The detection of a single Higgs boson at the Large Hadron Collider (LHC) has allowed one to probe some properties of it, including the Yukawa and gauge couplings. However, in order to probe the Higgs potential, one has to rely on new production mechanisms, such as Higgs pair production. In this paper, we show that such a channel is also sensitive to the production and decay of a so-called `Flavon' field ($H_F$), a new scalar state that arises in models that attempt to explain the hierarchy of the Standard Model (SM) fermion masses. In particular, we show that, with 300 fb$^{-1}$ of accumulated data at 14 TeV (the Run 3 stage) of the LHC an heavy Flavon $H_F$ with mass $M_{H_F} \simeq 2m_t $ can be explored with $5\sigma $ significance through the channel $pp \to H_F\to hh~(h\to \gamma \gamma, h\to b \bar{b})$. However, to probe the $M_{H_F} \sim 1 $ TeV range, one has to rely on the High-Luminosity LHC (HL-LHC).

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2205.12641v1 - Author's Original
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Published date: 25 May 2022
Additional Information: 28 pages, 14 figures
Keywords: hep-ph

Identifiers

Local EPrints ID: 472290
URI: http://eprints.soton.ac.uk/id/eprint/472290
PURE UUID: 679143aa-2fba-43c1-95c4-78d72f50bb78
ORCID for Stefano Moretti: ORCID iD orcid.org/0000-0002-8601-7246

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Date deposited: 30 Nov 2022 17:47
Last modified: 01 Dec 2022 02:38

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Contributors

Author: Marco A. Arroyo-Ureña
Author: Amit Chakraborty
Author: J. Lorenzo Díaz-Cruz
Author: Dilip Kumar Ghosh
Author: Najimuddin Khan
Author: Stefano Moretti ORCID iD

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