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@ARTICLE{Adam:200851,
      author       = {Adam, Jaroslav and others},
      collaboration = {{ALICE Collaboration}},
      title        = {{J}et-like correlations with neutral pion triggers in pp
                      and central {P}b–{P}b collisions at 2.76 {T}e{V}},
      journal      = {Physics letters / B},
      volume       = {B763},
      issn         = {0370-2693},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {GSI-2017-00185},
      pages        = {238 - 250},
      year         = {2016},
      note         = {"Published by Elsevier B.V. This is an open access article
                      under the CC BY license
                      (http://creativecommons.org/licenses/by/4.0/). Funded by
                      SCOAP3."},
      abstract     = {We present measurements of two-particle correlations with
                      neutral pion trigger particles of transverse momenta
                      8<pTtrig<16 GeV/c and associated charged particles of
                      0.5<pTassoc<10 GeV/c versus the azimuthal angle difference
                      Δ φ at midrapidity in pp and central Pb–Pb collisions at
                      sNN=2.76 TeV with ALICE. The new measurements exploit
                      associated charged hadrons down to 0.5 GeV/c , which
                      significantly extends our previous measurement that only
                      used charged hadrons above 3 GeV/c . After subtracting the
                      contributions of the flow background, v2 to v5 , the
                      per-trigger yields are extracted for |Δφ|<0.7 on the near
                      and for |Δφ−π|<1.1 on the away side. The ratio of
                      per-trigger yields in Pb–Pb to those in pp collisions, IAA
                      , is measured on the near and away side for the $0–10\%$
                      most central Pb–Pb collisions. On the away side, the
                      per-trigger yields in Pb–Pb are strongly suppressed to the
                      level of IAA≈0.6 for pTassoc>3 GeV/c , while with
                      decreasing momenta an enhancement develops reaching about 5
                      at low pTassoc . On the near side, an enhancement of IAA
                      between 1.2 at the highest to 1.8 at the lowest pTassoc is
                      observed. The data are compared to parton-energy-loss
                      predictions of the JEWEL and AMPT event generators, as well
                      as to a perturbative QCD calculation with medium-modified
                      fragmentation functions. All calculations qualitatively
                      describe the away-side suppression at high pTassoc . Only
                      AMPT captures the enhancement at low pTassoc , both on the
                      near and away side. However, it also underpredicts IAA above
                      5 GeV/c , in particular on the near-side.},
      keywords     = {pi: trigger (autogen) / heavy ion: scattering (autogen) /
                      correlation: two-particle (autogen) / quantum
                      chromodynamics: perturbation theory (autogen) / p p:
                      scattering (autogen) / enhancement (autogen) / suppression
                      (autogen) / hadron (autogen) / fragmentation function
                      (autogen) / transverse momentum (autogen) / charged particle
                      (autogen) / Monte Carlo (autogen) / background (autogen) /
                      capture (autogen) / ALICE (autogen) / flow (autogen)},
      cin          = {ALI / DTL / CIT},
      ddc          = {530},
      cid          = {I:(DE-Ds200)ALI-20080822OR105 /
                      I:(DE-Ds200)DTL-20051214OR031 /
                      I:(DE-Ds200)CIT-20110310OR121},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF3-612) / EMMI -
                      Helmholtz-Allianz 'Kosmische Materie im Labor', Extreme
                      Matter Institute (HGF-IVF-HA-216) / HGF-IVF-VH-GS-201 -
                      HGS-HIRe : (HGF-IVF-VH-GS-201) / SUC-GSI-Heidelberg -
                      Strategic university cooperation GSI-U Heidelberg
                      (SUC-GSI-HE) / SUC-GSI-Frankfurt - Strategic university
                      cooperation GSI-U Frankfurt/M (SUC-GSI-FR) /
                      SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU
                      Darmstadt (SUC-GSI-DA) / OAGSI - Open Access Publikation mit
                      Unterstützung des GSI Helmholtzzentrums für
                      Schwerionenforschung (OAGSI)},
      pid          = {G:(DE-HGF)POF3-612 / G:(DE-Ds200)HGF-IVF-HA-216 /
                      G:(DE-Ds200)HGF-IVF-VH-GS-201 / G:(DE-Ds200)SUC-GSI-HE /
                      G:(DE-Ds200)SUC-GSI-FR / G:(DE-Ds200)SUC-GSI-DA /
                      G:(DE-Ds200)OAGSI},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {1608.07201},
      howpublished = {arXiv:1608.07201},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1608.07201;\%\%$},
      UT           = {WOS:000390126600037},
      doi          = {10.1016/j.physletb.2016.10.048},
      url          = {https://repository.gsi.de/record/200851},
}