Mario Herrero has just joined the Theory group as a Juan de la Cierva Postdoc researcher.

Balint Radics has just joined the Neutrinos group as a María de Zambrano Postdoc researcher.

“[Measurement of the tttt production cross section in pp collisions at sqrt(s)=13 TeV with the ATLAS detector](https://link.springer.com/article/10.1007/JHEP11(2021)118)” has been published in JHEP 11 (2021) 118.

Silvia Gasparotto has just joined the Theory group as PhD student supervised by Diego Blas.

Juan Urrutia has just joined the Theory group as PhD student supervised by Ville Vaskonen

Aitor Gonzalez has just joined the COVID group to contribute to the project of simulation of COVID-19 spread in Catalunya.

“[Characterization of resistive Micromegas detectors for the upgrade of the T2K Near Detector Time Projection Chambers](https://www.sciencedirect.com/science/article/abs/pii/S0168900221010111?via%3Dihub)” has been published in NIMA. C. Jesus-Valls and T. Lux are co-authors.

“[Searching for dark-matter waves with PPTA and QUIJOTE pulsar polarimetry](https://arxiv.org/abs/2201.03422)” by D. Blas and others has been accepted uploaded to arXiv.

Francesco Sciotti has just joined the Theory group as a PhD student.

Adrià Berrocal has just joined the ATLAS group as a PhD student.

“[agnpy: an open-source python package modelling the radiative processes of jetted active galactic nuclei](https://arxiv.org/abs/2112.14573)” by C. Nigro and others has been accepted for publication at the Astronomy & Astrophysics journal.

“[First Combined Study on Lorentz Invariance Violation from Observations of Energy-dependent Time Delays from Multiple-type Gamma-ray Sources Part I – Motivation, Method Description and Validation through Simulations of H.E.S.S., MAGIC and VERITAS Datasets](https://arxiv.org/abs/2201.02087)” by D. Kerszberg and M. Martínez has been accepted for publication in The Astrophysical Journal.