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Highly energetic jets and photons are complementary probes for the kinematicsand the topology of nuclear collisions. Jets are collimated sprays of chargedand neutral particles, which are produced in the fragmentation of hardscattered partons in an early stage of the collision. While traversing themedium formed in nuclear collisions, they lose energy and therefore carryinformation about the interaction of partons with the medium. The jetsubstructure is particularly interesting to learn about in-medium modificationof the jets and several observables exists to probe it. In contrast to jets,photons are created in all collision stages. There are prompt photons from theinitial collision, thermal photons produced in the medium, and decay- andfragmentation photons from later collision stages. Photons escape the mediumessentially unaffected after their creation. This article presents recent ALICEresults on jet substructure and direct photon measurements in pp, p-Pb andPb-Pb collisions.

Latest ALICE results of photon and jet measurements