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CERN. The European Organization for Nuclear Research, known as CERN (/ sɜːrn /; French pronunciation: [sɛʁn]; Organisation européenne pour la recherche nucléaire), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Geneva ...
1935 Henry Eyring develops the transition state theory. 1935 Hideki Yukawa presents a theory of the nuclear force and predicts the scalar meson. 1935 Niels Bohr presents his analysis of the EPR paradox. 1936 Carl D. Anderson discovered the muon while he studied cosmic radiation;
The Proton Synchrotron (PS, sometimes also referred to as CPS [1]) is a particle accelerator at CERN. It is CERN's first synchrotron, beginning its operation in 1959. For a brief period the PS was the world's highest energy particle accelerator. It has since served as a pre-accelerator for the Intersecting Storage Rings (ISR) and the Super ...
A press release by CERN on 16 August 1957, stated that the SC, as the third-largest accelerator of its type in the world, had started to work at its full energy. [5] In late 1958, the Synchrocyclotron made its first important contribution to nuclear physics by the discovery of the rare electron decay of the pion particle.
The ladder to the lower right gives an impression of scale. The Compact Muon Solenoid (CMS) experiment is one of two large general-purpose particle physics detectors built on the Large Hadron Collider (LHC) at CERN in Switzerland and France. The goal of the CMS experiment is to investigate a wide range of physics, including the search for the ...
1895. X-ray produced by Wilhelm Röntgen (later identified as photons) [ 3 ] 1897. Electron discovered by J. J. Thomson [ 4 ] 1899. Alpha particle discovered by Ernest Rutherford in uranium radiation [ 5 ] 1900. Gamma ray (a high-energy photon) discovered by Paul Villard in uranium decay [ 6 ] 1911.
A simulated particle collision in the LHC. The safety of high energy particle collisions was a topic of widespread discussion and topical interest during the time when the Relativistic Heavy Ion Collider (RHIC) and later the Large Hadron Collider (LHC)—currently the world's largest and most powerful particle accelerator—were being constructed and commissioned.
1610 – Galileo Galilei: discovered the Galilean moons of Jupiter. 1613 – Galileo Galilei: Inertia. 1621 – Willebrord Snellius: Snell's law. 1632 – Galileo Galilei: The Galilean principle (the laws of motion are the same in all inertial frames) 1660 – Blaise Pascal: Pascal's law. 1660 – Robert Hooke: Hooke's law.