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Inclusive Jet Spectra in p- Pb Collisions at ALICE

ITS. EMCal. | η |<0.7. TPC. Inclusive Jet Spectra in p- Pb Collisions at ALICE. | η |<0.9. https:// indico.cern.ch /event/219436/session/2/contribution/415/material/poster/0.pdf. Megan Connors for the ALICE Collaboration Flash Talk. Jets in p- Pb. Pb. Pb. p. p. Pb. p.

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Inclusive Jet Spectra in p- Pb Collisions at ALICE

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  1. ITS EMCal |η|<0.7 TPC Inclusive Jet Spectra in p-Pb Collisions at ALICE |η|<0.9 https://indico.cern.ch/event/219436/session/2/contribution/415/material/poster/0.pdf Megan Connors for the ALICE Collaboration Flash Talk

  2. Jets in p-Pb Pb Pb p p Pb p internal probe created early in collision • Jet suppression observed in Pb-Pb • Energy loss in QGP • What are the CNM effects from initial state? • If no CNM effect expect RpPb=1 • anti-kT jet finder • EMCal clusters ET>300 MeV • Charged tracks pT>150 MeV/c • EMCal clusters corrected for charged track contamination • Subtract UE background • Unfold detector response & background fluctuations Megan Connors p-Pb Jet spectra

  3. Jet Spectrum • 5.02 TeVpp data reference not available • Use MC reference (PYTHIA, POWHEG) • Large uncertainty on the MC reference • Data/MC consistent with no CNM effects • Jet suppression observed in Pb-Pb due to medium • Consistent with Jet results shown by ATLAS & CMS Megan Connors p-Pb Jet spectra

  4. Jet Structure R=0.2 • p-Pb ratio consistent with pp collisions at 2.76 TeV • No modification of the jet sub-structure observed R=0.4 Outlook • Incorporate EMCal triggered event sample to increasekinematic reach • Study of the multiplicity dependence • Measure full jet spectra with R=0.2 and 0.4 in pp collisions • at 7 TeV for interpolated reference for RpPb Need 5 TeV pp data! Megan Connors p-Pb Jet spectra

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