Towards a muon collider

C Accettura, D Adams, R Agarwal, C Ahdida… - The European Physical …, 2023 - Springer
A muon collider would enable the big jump ahead in energy reach that is needed for a
fruitful exploration of fundamental interactions. The challenges of producing muon collisions …

Observation of four-top-quark production in the multilepton final state with the ATLAS detector

G Aad, B Abbott, K Abeling, NJ Abicht, SH Abidi… - The European Physical …, 2023 - Springer
This paper presents the observation of four-top-quark (tt¯ tt¯) production in proton-proton
collisions at the LHC. The analysis is performed using an integrated luminosity of 140 fb-1 at …

Observation of four top quark production in proton-proton collisions at s= 13TeV

A Hayrapetyan, A Tumasyan, W Adam, JW Andrejkovic… - Physics Letters B, 2023 - Elsevier
The observation of the production of four top quarks in proton-proton collisions is reported,
based on a data sample collected by the CMS experiment at a center-of-mass energy of 13 …

Challenges and opportunities for heavy scalar searches in the channel at the LHC

M Carena, Z Liu - Journal of High Energy Physics, 2016 - Springer
A bstract Heavy scalar and pseudoscalar resonance searches through the\(gg\to S\to
t\overline {t}\) process are challenging due to the peculiar behavior of the large interference …

Evidence for production in the multilepton final state in proton–proton collisions at   with the ATLAS detector

G Aad, B Abbott, DC Abbott, AA Abud, K Abeling… - The European Physical …, 2020 - Springer
A search is presented for four-top-quark production using an integrated luminosity of 139 fb^-
1-1 of proton–proton collision data at a centre-of-mass energy of 13~ TeV 13 TeV collected …

Physics Briefing Book [Input for the European Strategy for Particle Physics Update 2020]

H Abramowicz, R Forty - 2019 - osti.gov
The European Particle Physics Strategy Update (EPPSU) process takes a bottom-up
approach, whereby the community is first invited to submit proposals (also called inputs) for …

Search for production of four top quarks in final states with same-sign or multiple leptons in proton–proton collisions at√ s= 13 TeV

CMS collaboration - 2020 - Springer
The standard model (SM) production of four top quarks (tttt) in proton–proton collisions is
studied by the CMS Collaboration. The data sample, collected during the 2016–2018 data …

[HTML][HTML] Evidence for four-top quark production in proton-proton collisions at s= 13TeV

A Tumasyan, W Adam, JW Andrejkovic, T Bergauer… - Physics Letters B, 2023 - Elsevier
The production of four top quarks (tt¯ tt¯) is studied with LHC proton-proton collision data
samples collected by the CMS experiment at a center-of-mass energy of 13 TeV, and …

Stellar recipes for axion hunters

M Giannotti, IG Irastorza, J Redondo… - … of Cosmology and …, 2017 - iopscience.iop.org
There are a number of observational hints from astrophysics which point to the existence of
stellar energy losses beyond the ones accounted for by neutrino emission. These excessive …

Measurement of the production cross section in collisions at =13 TeV with the ATLAS detector

ATLAS collaboration - arXiv preprint arXiv:2106.11683, 2021 - arxiv.org
A measurement of four-top-quark production using proton-proton collision data at a centre-of-
mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider …