Researcher

Carlo Rubbia

Profile

Carlo Rubbia is an Italian particle physicist and former Director-General of CERN who received the 1984 Nobel Prize in Physics with Simon van der Meer for their decisive contributions to the discovery of the W and Z bosons. Rubbia led the Super Proton Synchrotron (SPS) experiment at CERN that collided protons and antiprotons, producing the massive W± and Z⁰ gauge bosons predicted by the electroweak theory of Sheldon Glashow, Abdus Salam, and Steven Weinberg. This discovery represented one of the great triumphs of the Standard Model and confirmed the unification of weak and electromagnetic forces at high energies. Van der Meer contributed the stochastic cooling technique that enabled sufficiently intense antiproton beams. After the Nobel Prize, Rubbia proposed and developed the energy amplifier concept — an accelerator-driven subcritical nuclear reactor system for energy production and nuclear waste transmutation. He also contributed to solar energy storage proposals and was director of CERN from 1989 to 1993, overseeing major programs including early LEP operations.

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