@article{Anastasopoulos:2022iU,
  author = "Anastasopoulos, Pascal  and  Bianchi, Massimo  and  Consoli, Dario  and  Kiritsis, Elias",
  title = "{Gravi/dark photons in D-brane and holographic models, and the hypercharge portal}",
  doi = "10.22323/1.406.0054",
  journal = "PoS",
  year = 2022,
  volume = "CORFU2021",
  pages = "054"
}