Repository logo
 
Publication

Measurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum in $\sqrt{s}$ = 8 TeV proton-proton collisions using the ATLAS detector

2016-02-26Journal article Open access
Simple item page
dc.contributor.authorATLAS collaboration (2874 authors)
dc.contributor.authorAguilar-Saavedra, Juan Antonio
dc.contributor.authorAmor Dos Santos, Susana Patricia
dc.contributor.authorAnjos, Nuno
dc.contributor.authorAraque, Juan Pedro
dc.contributor.authorCantrill, Robert
dc.contributor.authorCarvalho, João
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorConde Muiño, Patricia
dc.contributor.authorDa Cunha Sargedas De Sousa, Mario Jose
dc.contributor.authorFiolhais, Miguel
dc.contributor.authorGalhardo, Bruno
dc.contributor.authorGomes, Agostinho
dc.contributor.authorGonçalo, Ricardo
dc.contributor.authorJorge, Pedro
dc.contributor.authorLopes, Lourenco
dc.contributor.authorMachado Miguens, Joana
dc.contributor.authorMaio, Amélia
dc.contributor.authorManeira, José
dc.contributor.authorOnofre, António
dc.contributor.authorPalma, Alberto
dc.contributor.authorPedro, Rute
dc.contributor.authorPina, João Antonio
dc.contributor.authorSantos, Helena
dc.contributor.authorSaraiva, João
dc.contributor.authorSilva, José
dc.contributor.authorTavares Delgado, Ademar
dc.contributor.authorVeloso, Filipe
dc.contributor.authorWolters, Helmut
dc.date.accessioned2019-02-04T08:24:20Z
dc.date.available2019-02-04T08:24:20Z
dc.date.issued2016-02-26
dc.date.updated2019-02-04T08:24:20Z
dc.description.abstractThe differential cross-section for pair production of top quarks with high transverse momentum is measured in 20.3  fb-1 of proton-proton collisions at a center-of-mass energy of 8 TeV. The measurement is performed for tt¯ events in the lepton+jets channel. The cross-section is reported as a function of the hadronically decaying top quark transverse momentum for values above 300 GeV. The hadronically decaying top quark is reconstructed as an anti-kt jet with radius parameter R=1.0 and identified with jet substructure techniques. The observed yield is corrected for detector effects to obtain a cross-section at particle level in a fiducial region close to the event selection. A parton-level cross-section extrapolated to the full phase space is also reported for top quarks with transverse momentum above 300 GeV. The predictions of a majority of next-to-leading-order and leading-order matrix-element Monte Carlo generators are found to agree with the measured cross-sections.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev. D93 (2016) 032009; DOI 10.1103/PhysRevD.93.032009
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevD.93.032009
dc.identifier.urihttp://hdl.handle.net/10400.26/26954
dc.language.isoeng
dc.titleMeasurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum in $\sqrt{s}$ = 8 TeV proton-proton collisions using the ATLAS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
1.pdf
Size:
785.52 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.85 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

LIP - AP - Física de Partículas e Astropartículas