What question did this study set out to answer?

The research aims to address the cosmological constant problem through vacuum energy sequestering (VES) and examine its low-energy effective field theory characteristics.

January 18, 2026Open Access

Cosmological Scars: Precision Constraints on Vacuum Energy Sequestering from the Higgs Portal

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Puntos clave

The research aims to address the cosmological constant problem through vacuum energy sequestering (VES) and examine its low-energy effective field theory characteristics.
Classify VES ultraviolet completions based on their low-energy effective field theory imprints.
Identify Class A and Class B embeddings regarding collider-accessible SMEFT operators.
Examine relations between Warsaw-basis operators QH□ and QH for heavy singlet portal matching.
Class A embeddings generate no collider-accessible SMEFT operators, while Class B does.
A specific rigid relation between operators demonstrates a falsifiable scar line in observable physics.

Resumen

Vacuum Energy Sequestering (VES) offers a technically natural ap-proach to the cosmological constant problem by enforcing global con-straints that decouple vacuum loop contributions from spacetime curva-ture. We classify VES ultraviolet (UV) completions by their low-energyEffective Field Theory (EFT) imprints. ”Class A” (clean) embeddingsgenerate no collider-accessible SMEFT operators, while ”Class B” embed-dings with Higgs-coupled heavy mediators induce a correlated dimension-6Higgs-sector scar. For a heavy singlet portal, tree-level matching yields arigid relation between the Warsaw-basis operators QH□ = (H†H)□(H†H)and QH = (H†H)3, implying a falsifiable ”scar line” in observable space:...

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SIKX HILTON (Thu,) studied this question.

synapsesocial.com/papers/696c77afeb60fb80d1395e8a — DOI: https://doi.org/10.5281/zenodo.18264910

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Cosmological Scars: Precision Constraints on Vacuum Energy Sequestering from the Higgs Portal

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