Results 101 to 110 of about 1,473,176 (202)

The Top Quark

open access: yes, 2015
On the twentieth anniversary of the observation of the top quark, we trace our understanding of this heaviest of all known particles from the prediction of its existence, through the searches and discovery, to the current knowledge of its production mechanisms and properties.
Boos, E.   +4 more
openaire   +2 more sources

Polarization of the top quark as a probe of its chromomagnetic and chromoelectric couplings in single-top production at the Large Hadron Collider [PDF]

open access: yes, 2015
We study the sensitivity of the Large Hadron Collider, LHC, to top quark chromomagnetic, CMDM, and chromoelectric, CEDM, dipole moments and Wtb effective couplings in singletop production in association with a W, boson, followed by semileptonic decay of ...
Anthony W. Thomas   +7 more
core   +1 more source

FCNC decays of the top quark [PDF]

open access: yesProceedings of 9th International Workshop on the CKM Unitarity Triangle — PoS(CKM2016), 2017
6 pages, 3 figures, Talk presented at the CKM2016, to appear in Proceedings for the 9th International Workshop on the CKM Unitarity ...
openaire   +2 more sources

The significance of the heavy top quark [PDF]

open access: yesAIP Conference Proceedings, 1997
Experiment shows that the top quark is far heavier than the other elementary fermions. This finding has stimulated research on theories of electroweak and flavor symmetry breaking that include physics beyond the standard model. Efforts to accommodate a heavy top quark within existing frameworks have revealed constraints on model-building.
openaire   +4 more sources

Differential cross section measurement of top quark pair production with the CMS experiment using a ML-based kinematic reconstruction [PDF]

open access: yes, 2023
openIn this thesis a measurement of the differential cross section of top quark pair production in proton-proton (pp) collisions at a center-of-mass energy of 13 TeV is presented. The measurement is performed with data collected in 2018 using the Compact
CELOTTO, GIOVANNI
core  

Invariant-mass threshold resummation for the production of four top quarks at the LHC

open access: yesJournal of High Energy Physics
Using invariant-mass threshold resummation, we compute the invariant-mass distribution and the total cross section for t t ¯ t t ¯ $$ t\overline{t}t\overline{t} $$ production at the LHC with centre-of-mass energy of 13.6 TeV at NLL′ accuracy.
Melissa van Beekveld   +3 more
doaj   +1 more source

Search for electroweak production of a vector-like quark decaying to a top quark and a Higgs boson using boosted topologies in fully hadronic final states

open access: yesJournal of High Energy Physics, 2017
A search is performed for electroweak production of a vector-like top quark partner T of charge 2/3 in association with a standard model top or bottom quark, using 2.3 fb−1 of proton-proton collision data at s = 13 $$ \sqrt{s}=13 $$ TeV collected by the ...
The CMS collaboration   +2246 more
doaj   +1 more source

Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton-proton collisions at s=13TeV. [PDF]

open access: yesEur Phys J C Part Fields, 2023
Tumasyan A   +2351 more
europepmc   +1 more source

Top properties in tt̅ events at CMS (includes mass)

open access: yesEPJ Web of Conferences, 2013
Selected results from the following topics are presented: Measurements of several top quark properties are obtained from the CMS data collected in 2011 at a center-of-mass energy of 7 TeV.
Adler V.
doaj   +1 more source

Combined searches for the production of supersymmetric top quark partners in proton-proton collisions at s = 13 Te . [PDF]

open access: yesEur Phys J C Part Fields, 2021
Tumasyan A   +2363 more
europepmc   +1 more source

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