We investigate whether selfish/Goldilocks Higgs models can be extended to accomodate vacua with both the right Higgs mass and cosmological constant. Through the introduction of multiple four-form fields coupled with the Higgs scalar boson we find that both the cosmological constant and the electroweak hierarchy problems can be addressed simultaneously, without inserting the relevant physical scales by hand and avoiding fine tuning. The resulting bounds on the brane charges, the only dimensionful free parameter of the theory, depend on the strength of the four-form scalar coupling and can be of the same order of magnitude as those necessary for a solution to the cosmological constant problem alone via the Bousso-Polchinski mechanism.

Environmental selection of the cosmological constant and electroweak scales / FRANCISCO MANUEL SOARES VERISSIMO GIL PEDRO ; Matteo Moretti. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - ELETTRONICO. - 2022:8(2022), pp. 287.1-287.19. [10.1007/JHEP08(2022)287]

Environmental selection of the cosmological constant and electroweak scales

FRANCISCO MANUEL SOARES VERISSIMO GIL PEDRO
Membro del Collaboration Group
;
2022

Abstract

We investigate whether selfish/Goldilocks Higgs models can be extended to accomodate vacua with both the right Higgs mass and cosmological constant. Through the introduction of multiple four-form fields coupled with the Higgs scalar boson we find that both the cosmological constant and the electroweak hierarchy problems can be addressed simultaneously, without inserting the relevant physical scales by hand and avoiding fine tuning. The resulting bounds on the brane charges, the only dimensionful free parameter of the theory, depend on the strength of the four-form scalar coupling and can be of the same order of magnitude as those necessary for a solution to the cosmological constant problem alone via the Bousso-Polchinski mechanism.
2022
Environmental selection of the cosmological constant and electroweak scales / FRANCISCO MANUEL SOARES VERISSIMO GIL PEDRO ; Matteo Moretti. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - ELETTRONICO. - 2022:8(2022), pp. 287.1-287.19. [10.1007/JHEP08(2022)287]
FRANCISCO MANUEL SOARES VERISSIMO GIL PEDRO ; Matteo Moretti
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/906351
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