@article{belli2027search,
  author = {Belli, P. and Bernabei, R. and Boiko, R.S. and Cappella, F. and Danevych, F. and Tretyak, V.},
  title = {Search for alpha and double-alpha decays of naturally occurring europium isotopes with {HPGe} gamma spectrometry},
  journal = {Nuclear Physics A},
  publisher = {Elsevier BV},
  volume = {1077},
  pages = {123515},
  year = {2027},
  doi = {10.1016/j.nuclphysa.2026.123515},
  issn = {0375-9474}
}