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A. is funded by the Leverhulme Trust under Research Project Grant No. RPG-2021-031. D. D. and M. J. H. acknowledge financial support from the grant IFT Centro de Excelencia Severo Ochoa CEX2020-001007-S funded by MCIN/AEI/10.13039/501100011033, from the Spanish "Agencia Estatal de Investigacion" (AEI) and the EU "Fondo Europeo de Desarrollo Regional" (FEDER) through Project No. PID2019-108892RB-I00 funded by MCIN/AEI/10.13039/501100011033, and from the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No. 860881-HIDDeN. D. D. and M. J. H. also acknowledge partial financial support by the Spanish Research Agency (Agencia Estatal de Investigacion) through Grant No. PID2022-137127NB-I00 funded by MCIN/AEI/10.13039/501100011033/FEDER, UE. C. E. is supported by the United Kingdom Science and Technology Facilities Council (STFC) under Grant No. ST/X000605/1 and the Leverhulme Trust under Research Project Grant No. RPG-2021-031. The work of R. A. M. is supported by CONICET and ANPCyT under Project No. PICT-2021-00374.r MCIN/AEI/10.13039/501100011033/FEDER, UE. C. E. is supported by the United Kingdom Science and Technology Facilities Council (STFC) under Grant No. ST/X000605/1 and the Leverhulme Trust under Research Project Grant No. RPG-2021-031. The work of R. A. M. is supported by CONICET and ANPCyT under Project No. PICT-2021-00374.

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Bosonic multi-Higgs correlations beyond leading order

Publicado en:PHYSICAL REVIEW D. 110 (9): 095016- - 2024-11-18 110(9), DOI: 10.1103/PhysRevD.110.095016

Autores: Anisha; Domenech, Daniel; Englert, Christoph; Herrero, Maria J; Morales, Roberto A

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Resumen

The production of multiple Higgs bosons at the LHC and beyond is a strong test of the mechanism of electroweak symmetry breaking. Taking inspiration from recent experimental efforts to move toward limits on triple-Higgs production at the Large Hadron Collider, we consider generic bosonic deviations of HH and HHH production from the Standard Model in the guise of Higgs effective field theory (HEFT). Including one-loop radiative corrections within the HEFT and going up to O(p4) in the momentum expansion, we provide a detailed motivation of the parameter range that the LHC (and future hadron colliders) can explore, through accessing nonstandard coupling modifications and momentum dependencies that probe Higgs boson nonlinearities. In particular, we find that radiative corrections can enhance the sensitivity to Higgs selfcoupling modifiers and HEFT-specific momentum dependencies can vastly increase triple-Higgs production, thus providing further motivation to consider these processes during the LHC's high-luminosity phase.

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