Cold nuclear matter effects on jet suppression in heavy-ion collisions

Workshop for young scientists on the physics of ultrarelativistic nucleus-nucleus collisions 2016

Epple, Eliane^1

Yale University, New Haven

CT, United States^1

关键词: Energy components;    Heavy ion collision;    Jet productions;    Nuclear matters;    Nuclear modification factors;    Parton energy loss;    Pb-Pb collisions;    Resolution parameters;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/832/1/012006/pdf
DOI  :  10.1088/1742-6596/832/1/012006

来源: IOP

【 摘 要 】

These proceedings discuss the sensitivity of the nuclear modification factor RAAof fully reconstructed jets to cold nuclear matter effects. To test the parton energy loss interpretation of the observed RAAof ∼0.3, obtained from reconstructed jets in Pb-Pb collisions at = 2.76 TeV, we measured the inclusive jet production in minimum bias p-Pb collisions at = 5.02 TeV for resolution parameters R=0.2 and 0.4. The reconstructed jets incorporate the neutral and charged energy component and cover a momentum range = 20-90 GeV. The comparison of the jet yield to PYTHIA simulations shows no significant depletion in the measured jet cross section attributed to cold nuclear matter effects present in p-Pb collisions.