Results 51 to 60 of about 202,091 (161)

Optimising top-quark threshold scan at CLIC using genetic algorithm

open access: yesJournal of High Energy Physics, 2021
One of the important goals at the future e + e − colliders is to measure the top-quark mass and width in a scan of the pair production threshold. However, the shape of the pair-production cross section at the threshold depends also on other model ...
K. Nowak, A.F. Żarnecki
doaj   +1 more source

New physics in single resonant top quarks

open access: yesJournal of High Energy Physics
Searches for new physics in the top quark sector are of great theoretical interest, yet some powerful avenues for discovery remain unexplored. We characterize the expected statistical power of the LHC dataset to constrain the single production of heavy ...
Shelley Tong   +4 more
doaj   +1 more source

Boosted Top Quarks, Top Pair Resonances, and Top Partner Searches at the LHC

open access: yesEPJ Web of Conferences, 2013
The increased center-of-mass energy of proton-proton collisions at the LHC allows for higher and higher mass scales to be probed in the search for new physics. These searches for new physics can often involve the reconstruction of top quark decays.
Pilot Justin
doaj   +1 more source

Measurement of the inclusive and differential t t ¯ $$ \overline{t} $$ γ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV

open access: yesJournal of High Energy Physics, 2022
The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions in the decay channel with two oppositely charged leptons (e ± μ ∓, e + e − , or μ + μ − ).
The CMS collaboration   +2344 more
doaj   +1 more source

Search for charged-lepton flavor violation in top quark production and decay in pp collisions at s $$ \sqrt{s} $$ = 13 TeV

open access: yesJournal of High Energy Physics, 2022
Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV.
The CMS collaboration   +2362 more
doaj   +1 more source

Measurement of the inclusive t t ¯ $$ \mathrm{t}\overline{\mathrm{t}} $$ production cross section in proton-proton collisions at s $$ \sqrt{s} $$ = 5.02 TeV

open access: yesJournal of High Energy Physics, 2022
The top quark pair production cross section is measured in proton-proton collisions at a center-of-mass energy of 5.02 TeV. The data were collected in a special LHC low-energy and low-intensity run in 2017, and correspond to an integrated luminosity of ...
The CMS collaboration   +2361 more
doaj   +1 more source

Top Quark Physics at Colliders

open access: yes, 2004
We review some recent developments in top quark production and decay at current and future colliders.
Glover, EWN   +24 more
openaire   +3 more sources

Measurement of the top-quark Yukawa coupling from t t ¯ $$ t\overline{t} $$ production in the lepton+jets final state using pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector

open access: yesJournal of High Energy Physics
The top-quark Yukawa coupling is extracted from the distribution of the top-quark pair ( t t ¯ $$ t\overline{t} $$ ) invariant mass in proton-proton collisions using 140 fb −1 of data at s = 13 $$ \sqrt{s}=13 $$ TeV collected in 2015–2018 by the ATLAS ...
The ATLAS collaboration   +2928 more
doaj   +1 more source

Top Physics at the Tevatron Collider [PDF]

open access: yes, 2008
The top quark has been discovered in 1995 at the CDF and DO experiments located in the Tevatron ring at the Fermilab laboratory. After more than a decade the Tevatron collider, with its center-of-mass energy collisions of 1.96 TeV, is still the only machine capable of producing such exceptionally heavy particle.
openaire   +2 more sources

Probing the flavour structure of dimension-6 EFT operators in multilepton final states in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV

open access: yesJournal of High Energy Physics
An analysis of the flavour structure of dimension-6 effective field theory (EFT) operators in multilepton final states is presented, focusing on the interactions of quarks with Z bosons.
The CMS collaboration   +2430 more
doaj   +1 more source

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