Anomalies in particle physics and their implications for physics beyond the standard model

A Crivellin, B Mellado - Nature Reviews Physics, 2024 - nature.com
The standard model (SM) of particle physics is the mathematical description of the
fundamental constituents and interactions of matter. Its last missing particle, the Higgs …

The CMS statistical analysis and combination tool: COMBINE

CMS collaboration - arXiv preprint arXiv:2404.06614, 2024 - arxiv.org
This paper describes the COMBINE software package used for statistical analyses by the
CMS Collaboration. The package, originally designed to perform searches for a Higgs …

Muon identification using multivariate techniques in the CMS experiment in proton-proton collisions at√ s= 13 TeV

A Hayrapetyan, A Tumasyan, W Adam… - Journal of …, 2024 - iopscience.iop.org
The identification of prompt and isolated muons, as well as muons from heavy-flavour
hadron decays, is an important task. We developed two multivariate techniques to provide …

Measurements of multijet event isotropies using optimal transport with the ATLAS detector

G Aad, B Abbott, DC Abbott, K Abeling, SH Abidi… - Journal of High Energy …, 2023 - Springer
A bstract A measurement of novel event shapes quantifying the isotropy of collider events is
performed in 140 fb− 1 of proton-proton collisions with\(\sqrt {s}\)= 13 TeV centre-of-mass …

Quantum detection of new physics in top-quark pair production at the LHC

F Maltoni, C Severi, S Tentori, E Vryonidou - Journal of High Energy …, 2024 - Springer
A bstract The recent observation of entanglement between top and anti-top quarks at the
LHC opens the way to interpreting collider data with quantum information tools. In this work …

Evidence for tWZ production in proton-proton collisions at = 13 TeV in multilepton final states

CMS Collaboration - arXiv preprint arXiv:2312.11668, 2023 - arxiv.org
The first evidence for the standard model production of a top quark in association with a W
boson and a Z boson is reported. The measurement is performed in multilepton final states …

Top-philic ALP phenomenology at the LHC: the elusive mass-window

S Blasi, F Maltoni, A Mariotti, K Mimasu… - Journal of High Energy …, 2024 - Springer
A bstract We study the LHC phenomenology of an Axion Like Particle (ALP) that couples
only derivatively with the top quark at tree level. We inspect the radiatively induced …

schemes and the interplay of SMEFT operators in the Higgs-gluon coupling

S Di Noi, R Gröber, G Heinrich, J Lang, M Vitti - Physical Review D, 2024 - APS
We calculate the four-top-quark operator contributions to Higgs production via gluon fusion
in the Standard Model effective field theory. The four-top operators enter for the first time via …

First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel searches for A → ZH in and final states

T Biekötter, S Heinemeyer, JM No… - Journal of High Energy …, 2024 - Springer
A bstract 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 …

Aiming for tops of ALPs with a muon collider

S Chigusa, S Girmohanta, Y Nakai, Y Zhang - Journal of High Energy …, 2024 - Springer
A bstract Future muon colliders with center-of-mass energy of\(\mathcal {O}\)(1− 10) TeV can
provide a clean high-energy environment with advantages in searches for TeV-scale axion …