{"knowledge_schema": {"broad_category": "Physics \u2192 Relativity \u2192 Particle Physics", "refinement": "This problem involves calculating the energy of a relativistic particle, specifically a nucleus, moving at a significant fraction of the speed of light.", "specific_scope": "The focus is on determining the energy required for a lithium nucleus (Li) with 3 neutrons to achieve a speed of 0.96c in the context of the Relativistic Heavy Ion Collider (RHIC).", "goal": "Calculate the relativistic energy of the nucleus based on its speed and mass."}, "summary": "This problem pertains to the field of particle physics and involves calculating the energy of a lithium nucleus (Li) with 3 neutrons moving at 0.96 times the speed of light (0.96c). The task requires applying principles of relativity to determine the energy needed for the nucleus to reach this speed. The answer provided is 20.132 GeV, which is one of the options given, indicating the energy required for the nucleus to achieve the specified velocity."}