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Measurement of the production of neighbouring jets in lead–lead collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$TeV with the ATLAS detector

2015-12-17Journal article Open access
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dc.contributor.authorATLAS collaboration (2882 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.authorDo Valle Wemans, André
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.authorMarques, Carlos
dc.contributor.authorOnofre, António
dc.contributor.authorPalma, Alberto
dc.contributor.authorPedro, Rute
dc.contributor.authorPina, João Antonio
dc.contributor.authorPinto, Belmiro
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.accessioned2019-02-04T07:18:02Z
dc.date.available2019-02-04T07:18:02Z
dc.date.issued2015-12-17
dc.date.updated2019-02-04T07:18:02Z
dc.description.abstractThis Letter presents measurements of correlated production of nearby jets in Pb+Pb collisions at sNN=2.76 TeV using the ATLAS detector at the Large Hadron Collider. The measurement was performed using 0.14 nb−1 of data recorded in 2011. The production of correlated jet pairs was quantified using the rate, RΔR , of “neighbouring” jets that accompany “test” jets within a given range of angular distance, Δ R , in the pseudorapidity–azimuthal angle plane. The jets were measured in the ATLAS calorimeter and were reconstructed using the anti- kt algorithm with radius parameters d=0.2 , 0.3, and 0.4. RΔR was measured in different Pb+Pb collision centrality bins, characterized by the total transverse energy measured in the forward calorimeters. A centrality dependence of RΔR is observed for all three jet radii with RΔR found to be lower in central collisions than in peripheral collisions. The ratios formed by the RΔR values in different centrality bins and the values in the 40–80% centrality bin are presented.
dc.description.versionPeer Reviewed
dc.identifierPhys.Lett. B751 (2015) 376-395; DOI 10.1016/j.physletb.2015.10.059
dc.identifier.urihttp://dx.doi.org/10.1016/j.physletb.2015.10.059
dc.identifier.urihttp://hdl.handle.net/10400.26/26874
dc.language.isoeng
dc.titleMeasurement of the production of neighbouring jets in lead–lead collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$TeV with the ATLAS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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