The programme starts by giving you the physics and math tools you need to further your education, and as you specialize more and more the programme becomes flexible, giving you the opportunity to choose among the courses you are most interested in. There is a specialization for Theoretical Physics, which you can choose if your interests are aligned with the research in Theoretical Particle Physics. If your interests are more aligned with those of Experimental Particle or Nuclear physics, the general physics specialization is well suited for you. You can read more about the specializations on the link below.