The Low-background Laboratory for Nuclear Physics (LBLNP) is a part of the Institute of Physics, University of Belgrade. It is situated on the right bank of the Danube, in the Belgrade borough of Zemun. Research within the LBLNP is related to and done in the various fields of nuclear physics, mainly cosmic-ray physics, high energy physics, nuclear spectroscopy, radioecology, and physics of hot dense plasmas, as well.
The LBLNP was founded by Dr. Radovan Antanasijević. Honouring his legacy, members and friends of the LBLNP decided to name it after its founder and longtime head.