Standard model of particle physics | Wikipedia audio article
Channel: wikipedia tts
Date: 28/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Standard_Model


00:02:25 1 Historical background
00:04:17 2 Overview
00:05:04 3 Particle content
00:05:41 3.1 Fermions
00:06:03 3.2 Gauge bosons
00:08:50 3.3 Higgs boson
00:12:39 4 Theoretical aspects
00:15:34 4.1 Construction of the Standard Model Lagrangian
00:15:45 4.1.1 Quantum chromodynamics sector
00:17:40 4.1.2 Electroweak sector
00:20:41 4.1.3 Higgs sector
00:24:44 4.1.4 Yukawa sector
00:28:52 5 Fundamental forces
00:30:52 6 Tests and predictions
00:31:28 7 Challenges
00:32:05 8 See also
00:36:26 9 Notes and references



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SUMMARY
=======
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the Universe, as well as classifying all known elementary particles. It was developed in stages throughout the latter half of the 20th century, through the work of many scientists around the world,  with the current formulation being finalized in the mid-1970s upon experimental confirmation of the existence of quarks.  Since then, confirmation of the top quark (1995), the tau neutrino (2000), and the Higgs boson (2012) have added further credence to the Standard Model. In addition, the Standard Model has predicted various properties of weak neutral currents and the W and Z bosons with great accuracy.
Although the Standard Model is believed to be theoretically self-consistent and has demonstrated huge successes in providing experimental predictions, it leaves some phenomena unexplained and falls short of being a complete theory of fundamental interactions. It does not fully explain baryon asymmetry, incorporate the full theory of gravitation as described by general relativity, or account for the accelerating expansion of the Universe as possibly described by dark energy.  The model does not contain any viable dark matter particle that possesses all of the required properties deduced from observational cosmology. It also does not incorporate neutrino oscillations and their non-zero masses.
The development of the Standard Model was driven by theoretical and experimental particle physicists alike. For theorists, the Standard Model is a paradigm of a quantum field theory, which exhibits a wide range of physics including spontaneous symmetry breaking, anomalies and non-perturbative behavior. It is used as a basis for building more exotic models that incorporate hypothetical particles, extra dimensions, and elaborate symmetries (such as supersymmetry) in an attempt to explain experimental results at variance with the Standard Model, such as the existence of dark matter and neutrino oscillations.