Abstract
Abstract The extension of the published ALICE near side I A A measurement [Aamodt, K. et al. (ALICE collab.), Phys. Rev. Lett. 108, 092301 (2012).] in Pb–Pb collisions at s NN = 2.76 TeV down to associated p T , a s s o c = 0.7 GeV / c is presented. In central Pb–Pb collisions at low trigger ( 2 p T , t r i g 3 GeV / c ) and associated ( 1 p T , a s s o c 2 GeV/c ) transverse momentum the conical Δ ϕ − − Δ η symmetry of the near side jet peak is distorted and the peak is elongated in Δη direction. At high trigger ( 8 p T , t r i g 15 GeV / c ) and associated ( 4 p T , a s s o c 8 GeV/c ) transverse momentum we observe a hint of narrowing of the near side peak along Δη.
Published Version
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