Complex sentence: The Journal of High Energy Physics (JHEP) is a refereed scientific journal in the field of high energy physics, owned by the International School for Advanced Studies (Scuola Internazionale Superiore di Studi Avanzati or SISSA-Trieste, Italy) and published by Springer.
Split into simpler sentences: The Journal of High Energy Physics (JHEP) is a refereed scientific journal in the field of high energy physics. JHEP is owned by the International School for Advanced Studies (Scuola Internazionale Superiore di Studi Avanzati or SISSA-Trieste, Italy) and published by Springer.