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Measurement of dijet k(T) in p-Pb collisions at root s(NN)=5.02 TeV (CROSBI ID 226814)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Adam, J. ; Antičić, Tome ; Gotovac, Sven ; Mudnić, Eugen ; Vicković, Linda ; Planinić, Mirko ; Poljak, Nikola ; Simatović, Goran ; Utrobičić, Antonija ; Zyzak, M. Measurement of dijet k(T) in p-Pb collisions at root s(NN)=5.02 TeV // Physics letters. B, 746 (2015), 385-395. doi: 10.1016/j.physletb.2015.05.033

Podaci o odgovornosti

Adam, J. ; Antičić, Tome ; Gotovac, Sven ; Mudnić, Eugen ; Vicković, Linda ; Planinić, Mirko ; Poljak, Nikola ; Simatović, Goran ; Utrobičić, Antonija ; Zyzak, M.

engleski

Measurement of dijet k(T) in p-Pb collisions at root s(NN)=5.02 TeV

A measurement of dijet correlations in p–Pb collisions at root sNN=5.02 TeV with the ALICE detector is presented. Jets are reconstructed from charged particles measured in the central tracking detectors and neutral energy deposited in the electromagnetic calorimeter. The transverse momentum of the full jet (clustered from charged and neutral constituents) and charged jet (clustered from charged particles only) is corrected event-by-event for the contribution of the underlying event, while corrections for underlying event fluctuations and finite detector resolution are applied on an inclusive basis. A projection of the dijet transverse momentum, kTy=pT, jetch+nesin(Δφdijet) with ΔφdijetΔφdijet the azimuthal angle between a full and charged jet and pT, jetch+ne the transverse momentum of the full jet, is used to study nuclear matter effects in p–Pb collisions. This observable is sensitive to the acoplanarity of dijet production and its potential modification in p–Pb collisions with respect to pp collisions. Measurements of the dijet kTykTy as a function of the transverse momentum of the full and recoil charged jet, and the event multiplicity are presented. No significant modification of kTykTy due to nuclear matter effects in p–Pb collisions with respect to the event multiplicity or a PYTHIA8 reference is observed.

nuclear experiment (nucl-ex) ; high energy physics - experiment (hep-ex) ; dijet ; kT ; p–Pb ; 5.02 TeV ; ALICE ; CERN

ALICE Collaboration

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Podaci o izdanju

746

2015.

385-395

objavljeno

0370-2693

10.1016/j.physletb.2015.05.033

Povezanost rada

Fizika

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