A search for new resonances in multiple final states with a high transverse momentum Z boson in √s = 13 TeV pp collisions with the ATLAS detector
Metadatos
Mostrar el registro completo del ítemEditorial
Springer
Materia
Beyond Standard Model Hadron-Hadron Scattering Particle and Resonance Production
Fecha
2023-06-07Referencia bibliográfica
The ATLAS collaboration., Aad, G., Abbott, B. et al. A search for new resonances in multiple final states with a high transverse momentum Z boson in s√ = 13 TeV pp collisions with the ATLAS detector. J. High Energ. Phys. 2023, 36 (2023). [https://doi.org/10.1007/JHEP06(2023)036]
Patrocinador
CERN; MICINN, Spain; COST; ERC; ERDF; Horizon 2020; Marie Skłodowska-Curie Actions; European Union; La Caixa Banking Foundation; Generalitat de Catalunya CERCA; PROMETEO; Generalitat Valenciana, GenT; PIC (Spain)Resumen
A generic search for resonances is performed with events containing a Z boson with transverse momentum greater than 100 GeV, decaying into e+e− or μ+μ−. The analysed data collected with the ATLAS detector in proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider correspond to an integrated luminosity of 139 fb−1. Two invariant mass distributions are examined for a localised excess relative to the expected Standard Model background in six independent event categories (and their inclusive sum) to increase the sensitivity. No significant excess is observed. Exclusion limits at 95% confidence level are derived for two cases: a model-independent interpretation of Gaussian-shaped resonances with the mass width between 3% and 10% of the resonance mass, and a specific heavy vector triplet model with the decay mode W′ → ZW → ℓℓqq.