$First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel searches for $A \to ZH$ in $\ell^+ \ell^- t \bar{t}$ and $\nu \nu b \bar{b}$ final states$

First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel searches for $A \to ZH$ in $\ell^+ \ell^- t \bar{t}$ and $\nu \nu b \bar{b}$ final states

Recently the ATLAS collaboration has reported the first results of searches for heavy scalar resonances decaying into a $Z$ boson and a lighter new scalar resonance, where the $Z$ boson decays leptonically and the lighter scalar decays into a top-quark pair, giving rise to \(\ell^+ \ell^- t \bar...

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Veröffentlicht in:	arXiv.org 2024-03
Hauptverfasser:	Biekötter, Thomas, Heinemeyer, Sven, Jose Miguel No, Radchenko, Kateryna, María Olalla Olea Romacho, Weiglein, Georg
Format:	Artikel
Sprache:	eng
Schlagworte:	Electroweak model Gravitational waves Impact analysis Neutrinos Parameters Phase transitions Quarks Resonance Searching
Online-Zugang:	Volltext
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First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel searches for \(A \to ZH\) in \(\ell^+ \ell^- t \bar{t}\) and \(\nu \nu b \bar{b}\) final states