Dr Eleonora Rossi: Publications

Search for decays of the Higgs boson into pair-produced pseudoscalar particles decaying into τ + τ − τ + τ − using p p collisions at s = 13 TeV with the ATLAS detector

New Journal of Physics IOP Publishing 28:6 (2026) 063801-063801

Abstract:

Abstract A search for a pair of low-mass pseudoscalars

a that promptly decay into

τ -leptons is presented using 140 fb

− 1 of proton–proton collision data at

13 TeV centre-of-mass energy recorded with the ATLAS detector at the Large Hadron Collider. The result is used to place constraints on exotic decays of the Higgs boson into four

τ -leptons,

H → a a → τ + τ − τ + τ − . This search focuses on events with either one or two

τ -leptons decaying into hadrons and neutrinos, and the remaining three or two

τ -leptons decaying into either electron or muon and neutrinos. No significant excess is observed above the expected Standard Model background and upper limits at the 95% confidence level on

B ( H → a a → τ + τ − τ + τ − ) are set ranging from 0.06 to 0.23, depending on the mass

m a ranging from 15 to 60 GeV.

Measurement of the cross-section for the production of a $W$ boson in association with $b$-jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

ArXiv 2605.31205 (2026)

Search for pair-produced vector-like $T$-quarks decaying into $Ht$ final states in the lepton-plus-jets channel in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector

ArXiv 2605.28538 (2026)

Search for soft unclustered energy patterns containing muons in the final state in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector

ArXiv 2605.20015 (2026)

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb$^{-1}$ of data collected at $\sqrt{s}$ = 13.6 TeV with the ATLAS detector

ArXiv 2605.19016 (2026)

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