%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Alimena_etal2020} Alimena, J. et al, Hirsch, M., Mamuzic, J., Mitsou, V. A., \& Santra, A. (2020). Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider. \textit{J. Phys. G}, \textit{47}(9), 090501--226pp.

\end{thebibliography}

\end{document}

