Paper “Photon Absorption in a Doubly Special Relativity Model with Undeformed Free Propagation and Total Momentum Conservation” (DOI: 10.1088/1475-7516/2025/07/066) was published in Journal of Cosmology and Astroparticle Physics. The authors are J. M. Carmona, J. L. Cortés, F. Reščić, M. A. Reyes, and T. Terzić. The paper can also be found in ArXiv: 2503.15203. In…

Filip Reščić, Jelena Strišković, and Tomislav Terzić participated in the first annual conference “Bridging high and low energies in search of quantum gravity 2025” (BridgeQG 2025), organised by COST Action CA23130 BridgeQG. The conference took place from 7th to 10th of July 2025 on the Jussieu campus of the Sorbonne Faculty of Science and Engineering…

On 27th of June 2025, Jelena Strišković successfully defended her doctoral thesis entitled “Study of active galactic nuclei variability and Lorentz invariance violation with MAGIC and LST-1 telescopes” at the Faculty of Physics (FIZRI) of the University of Rijeka. The thesis was supervised by Tomislav Terzić (FIZRI) and co-supervised by Dijana Dominis Prester (FIZRI) and…

Tomislav Terzić was selected as Deputy Physics Coordinator of the CTAO-LST collaboration, which develops and operates the Large-Sized Telescopes (LST) of the Cherenkov Telescope Array Observatory (CTAO). He took on the role during the LST collaboration meeting held from 19th to 23rd of May 2025 at CIEMAT in Madrid, Spain. The physics coordination facilitates communication…

The workshop “Quantum Systems in Free Fall” (website) took place from 6th to 8th of May 2025 at the Center of Applied Space Technology and Microgravity (ZARM) of the University of Bremen, Germany. The workshop was organised jointly by two COST Actions: BridgeQG (CA23130, Bridging high and low energies in search of quantum gravity) and…

Sami Caroff from the Laboratoire d’Annecy de Physique des Particules (LAPP) visited the Faculty of Physics of the University of Rijeka from 9th to 16th of March 2025 as a guest of Tomislav Terzić. Sami Caroff is an expert in very-high-energy gamma-ray astronomy. He works closely with Tomislav Terzić on searches for Lorentz invariance violation…

The Bad Honnef Physics School “Searching for Quantum Gravity in the Sky” took place from 16th to 21st of February 2025 at the Physikzentrum Bad Honnef in Germany. The school was organised by the Deutsche Physikalische Gesellschaft (DPG) and the BridgeQG – COST Action CA23130 as its first Training School. It brought together around 80…

On 8th of November, the Faculty of Physics of the University of Rijeka celebrated its anniversary. On that occasion, the faculty dean, Rajka Jurdana-Šepić presented awards, appreciation certificates, and acknowledgements. Angelo Zec received an award for the best master thesis defended at the Faculty of Physics in 2023. From the award justification: Angelo Zec defended…

Tomislav Terzić participated in the 9th edition of the Roma International Conference on AstroParticle Physics (RICAP-24), which took place from 23th till 27th of September 2024 in Villa Tuscolana in Frascati, Italy. The conference was organized by the INFN and University of Roma Tor Vergata.  Tomislav Terzić gave a talk on “Using artificial neural networks…

Paper “Approaches to photon absorption in a Lorentz invariance violation scenario” (DOI: 10.1103/physrevd.110.063035) was published in Physical Review D. Filip Reščić was one of the main authors. The paper can also be found in ArXiv: 2404.07842 In this work, we performed a complete and explicit calculation of the cross section for the γ-γ scattering in…