engleski

Particle Identification (PID) in Physics – Philosophical Considerations

Particle Identification (PID) issues have the same age as the philosophy itself: they were originated in the framework of ancient atomism. By the 20th century the new quantum mechanical paradigm – pictures, precise calculations and measurements – of the atomic and molecular states, couplings and processes was incorporated. The identity of particles are measuring and/or theoretically recognized through their properties (mass, charge, structure, angular momentum and corresponding electrical and magnetic moments, wave functions and quantum numbers, Pauli's exclusion principle, basic interactions, fundamental conservation laws in particle decays, models and symmetries, ...), but also through the particle detectors properties for their identifications: from the cosmic rays studies up to investigations of new particles in the contemporary colliders (LHC at CERN, Tevatron at the Fermilab). The largest laboratory mimetic replay of the Big Bang going on at the LHC (Replaying the Big Bang) - in the forthcoming years - could help resolving a number of questions and puzzles that arising up from the interconnects between physics and philosophy.

PID; Classification of particles; Particle properties; Experimental methods and techniques of the PID; Philosophical aspect of the antiparticles; LHC and Big Bang

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