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The Division of experimental physics consists of the following nine laboratories:
| Laboratory for high energy physics | |
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| The research of the group is carried out at CERN, namely at the NA61 SPS experiment and at two LHC experiments: ALICE and CMS. More specifically, we search for new physics beyond the Standard Model in triple gauge couplings (the group leads research in ZZW boson couplings at CMS), for quark gluon plasma signals, and reaseach of proton-proton and proton-nucleus high energy collisions. The group is also involved in astroparticle physics through the Pierre Auger Observatory. |  |
| Laboratory for ion beam interactions | |
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| The group controls the accelerator center consisting of two tandem accelerators and associated experimental lines, this being the largest and most complex experimental facility in Croatia. It performs basic and interdisciplinary research concerning interactions of ion beams with matter, and develops methods to characterize and modify properties of matter, with emphasis on nanostructure research. Part of the activities are connected to applications of analysis methods in biomedicine, environment as well as on research of cultural heritage objects. |  |
| Laboratory for hadronic physics | |
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| The research is mostly performed within the Crystal Ball and PEN international collaborations, located at the MAMI, Meinz and PSI, Villigen acceleators, respectively. The focus is on exploring the fundamental problems in physics: basic properties of the strong interactions, quark masses, and the degree of symmetry violation for certain rare and up to now insufficiently explored meson decays (in particular the eta meson which behaves as a "massive vacuum") which could contribute to the understaning of these problems and provide insight into physics beyond the Standard Model. |  |
| Laboratory for electromagnetic and weak interactions | |
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| Research involves astroparticle physics measurements at RBI and participation at the CAST(CERN Axion Solar Telecope) experiment at CERN to search for solar axions. We are also members of the OPERA experiment where the mixing between tau and muon neutrinos is researched. The group also, in collaboration with IFS Zagreb and LMU Munich, conducts experimental research in quantum information. |  |
| Laboratory for nuclear physics | |
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| The main area of research for this group includes the structure of the nucleus, mechanisms of nuclear reactions, properties of extremely hot and compressed nuclei, and influence of nuclear medium on the properties of elementary particles. The scientists work in international collaborations on experiments at accelerator complexes in the EURONS network of large accelerator facilities, including complexes with radioactive and stable beams, as well as on numerous other complexes around the world as well as on the RBI accelerator facility. Group memebers are part of the CBM collaboration at FAIR, Damstadt, the largest international project in nuclear physics. The group also is in charge of the Cockcroft-Walton neutron generator at RBI. |  |
| Laboratory for measurements of low level activities | |
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| The group develops measurement techniques of cosmogenic isotopes (14C, 3H), and of their application to multidisciplinary scientific research in archaeology, geology, hydrogeology, geochemistry, paleoclimatology and ecology. Also, it conducts research in interactions between low-energetic radiation and gases. This laboratory is the only one of its kind in Croatia as well as the wider region, and members of the group contiuously work on modernizing the measurement techniques and equipment in order to keep the leading position in measuremnts and application of natural radioactive isotopes 3H and 14C, as well as stable isotopes, to form a regional centar of excellence. |  |
| Laboratory for nuclear analytical methods | |
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| The detection and identification of improperly disposed ammunition, explosives and chemical weapons at the sea floor and pollution of coastal sea sediments are problems of growing importance. While polluted sediments present a threat to the marine ecosystem and to the public health, ammunition and CW agent dumps are a serious threat as well as possible objects of misuse. The laboratory is developing experimental methods to tackle this issue. In particular,a prototype of an underwater system containing a neutron generator, shielding and a gamma ray detector is being developed. |  |
| Laboratory for astroparticle physics | |
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| The group is a member of the MAGIC telescope in the Canary Islands and participates in data analysis, in particular in photon-hadron signal separation. The theoretical work of the group members consists of investigation of dark energy models (RG-running cosmologies, holographic dark energy models, neutrino dark energy models), neutrino astroparticle physics, black holes and noncommutative quantum field theories |  |
| Group for hadronic spectroscopy | |
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| Members of the group search for model independent ways to extract pole parameters from partial wave data. The goal is to parameterizing nucleon resonances in a model independent way. |  |