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A massive blue ring with green wires looped inside of it and multi-colored wires coming out of the edges. There is a long rod that goes in a hole in the middle of it. A comparison of experimental data (black dots) with theoretical predictions. The red band represents the Quark-Gluon Plasma scenario, which matches the data better than the Hadron Gas scenario (blue band). 3 people stand in front of a scientific poster Person standing next to lab equipment 3 people standing in front of multiple displays showing radiation imaging technologies. Illustration of the ion trap used by the ISOLDE team to measure the electron affinity of chlorine. In the trap, chlorine anions are reflected back and forth between two electrostatic ion mirrors, allowing the laser beam (pink) to probe the anions for much longer than in conventional measurements. The laser frequency is tuned to find the exact photon energy above which the extra electron (small white circle) is removed from the anion. A large metal item with wires A group of people crowded around a robot dog.