Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at √s= 13 TeV with the ATLAS detector

The ATLAS Collaboration

研究成果: Article査読

54 被引用数 (Scopus)

抄録

A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton–proton collisions at s=13 TeV recorded in 2015 and 2016 by the ATLAS detector at the Large Hadron Collider. The search considers the Z boson decaying to electrons or muons and the H boson into a pair of b-quarks. No evidence for the production of an A boson is found. Considering each production process separately, the 95% confidence-level upper limits on the pp→A→ZH production cross-section times the branching ratio H→bb are in the range of 14–830 fb for the gluon–gluon fusion process and 26–570 fb for the b-associated process for the mass ranges 130–700 GeV of the H boson and 230–800 GeV of the A boson. The results are interpreted in the context of two-Higgs-doublet models.

本文言語English
ページ(範囲)392-414
ページ数23
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
783
DOI
出版ステータスPublished - 2018 8 10

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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