Speaker
Description
Nuclear parton distribution functions (nPDF) play a crucial role in the interpretation of scattering data taken in proton-nucleus and nucleus-nucleus collisions at the Relativistic Heavy Ion Collider (RHIC), the Large Hadron Collider (LHC) and in the near future at the Electron-Ion Collider (EIC). However, analyses of these nPDFs are still far away from the precision obtained in free proton PDF fits. To close this gap, multiple groups, including EPPS, nCTEQ, nNNPDF and TUJU, have been steadily updating their analyses with precise new LHC data and with methodological improvements. We review the general framework of nuclear PDF determinations, present an overview of the most recent developments in the field and compare the results obtained by the various groups.