Calin Alexa

ATLAS Collaboration · IFIN-HH

Calin Alexa

Principal Investigator · Project Director

Profile

Calin Alexa is a Scientific Researcher I in the Elementary Particles Physics Department at IFIN-HH. He leads the institute's ATLAS team and coordinates the Romanian ATLAS cluster, combining scientific leadership with research, detector development, and doctoral supervision.

Current work

  • Coordination of IFIN-HH participation in ATLAS and of the wider Romanian ATLAS research programme.
  • ATLAS detector-upgrade activities involving trigger and data-acquisition systems and the New Small Wheel.
  • Phenomenology beyond the Standard Model, Monte Carlo simulation, and prospective studies for LHC and High-Luminosity LHC searches.
  • Doctoral supervision, scientific mentoring, and particle-physics outreach.

Selected publications

  1. Observability of an ultraheavy diquark decaying into vectorlike quarks at the LHC, Physical Review D 113, 115056 (2026). DOI
  2. Scalar sector of Type 2 Seesaw model explorations with multi-lepton final states (2024). arXiv:2412.03311
  3. The ATLAS hadronic Tile Calorimeter: From construction toward physics, IEEE Transactions on Nuclear Science 53, 1275–1281 (2006). DOI