Quantum Mechanics: Properties Of Elementary Particles

Science & Reason on Facebook: tinyurl.com Quantum Mechanics (Chapter 5): Properties of Elementary/Fundamental Particles. — Please subscribe to Science & Reason: • www.youtube.com • www.youtube.com • www.youtube.com • www.youtube.com — PARTICLE PHYSICS Particle physics is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. It is also called high energy physics, because many elementary particles do not occur under normal circumstances in nature, but can be created and detected during energetic collisions of other particles, as is done in particle accelerators. Research in this area has produced a long list of particles. SUBATOMIC PARTICLES Modern particle physics research is focused on subatomic particles, including atomic constituents such as electrons, protons, and neutrons (protons and neutrons are actually composite particles, made up of quarks), particles produced by radioactive and scattering processes, such as photons, neutrinos, and muons, as well as a wide range of exotic particles. Strictly speaking, the term particle is a misnomer because the dynamics of particle physics are governed by quantum mechanics. As such, they exhibit wave-particle duality, displaying particle-like behavior under certain experimental conditions and wave-like behavior in others (more technically they are described by state vectors in a Hilbert space; see quantum field theory). Following the convention of particle <b>…</b>
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Quantum Mechanics: The Uncertainty Principle

Science & Reason on Facebook: tinyurl.com Quantum Mechanics (Chapter 4): The Heisenberg Uncertainty Principle. — Subscribe to Science & Reason: • www.YouTube.com • www.YouTube.com • www.YouTube.com • www.YouTube.com — 1. A Brief History Of Quantum Mechanics www.youtube.com 2. The Structure Of Atoms www.youtube.com 3. Wave Function And Wave-Particle Duality www.youtube.com 4. The Uncertainty Principle www.youtube.com 5. The Spin Of Fundamental Particles 6. Quantum Entanglement — In quantum mechanics, the Heisenberg uncertainty principle states that certain pairs of physical properties, like position and momentum, cannot both be known to arbitrary precision. That is, the more precisely one property is known, the less precisely the other can be known. This statement has been interpreted in two different ways. According to Heisenberg its meaning is that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle with any great degree of accuracy or certainty. According to others (for instance Ballentine) this is not a statement about the limitations of a researcher's ability to measure particular quantities of a system, but it is a statement about the nature of the system itself as described by the equations of quantum mechanics. In quantum physics, a particle is described by a wave packet, which gives rise to this phenomenon. Consider the measurement of the absolute position of a particle. It could be anywhere the <b>…</b>
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Articles 20VN | Can Prayer Save Schrodinger's Cat? | prayer

As the amazing discoveries of quantum mechanics point out, when unobserved, atomic particles exist in all possible states. It is only the act of observation (or measurement) that forces a particle to collapse into a definite state.

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Parity In Quantum Mechanics

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