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The Standard Model of Particle Physics

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Search for Dark Matter with ATLAS

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Abstract

This chapter will review the current theoretical model of elementary particle physics, based largely on references [1–4]. Section 2.1 will give an overview of the particle content of this Standard Model of particle physics as well as the interactions between them. The set of observed particles has recently been completed by the discovery of a particle which so far appears to be compatible with the long searched for Higgs-boson, which had been predicted as part of the mechanism generating masses of the fundamental particles via spontaneous symmetry breaking. The electroweak interaction and the Higgs-mechanism are discussed in Sect. 2.2, followed by a brief overview of the strong interaction in Sect. 2.3. Despite of being one of the most successful theories in the history of science, the Standard Model has a number of shortcomings that will be highlighted in Sect. 2.4, as one of them is the motivation for the analysis documented in this work.

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Notes

  1. 1.

    The isospin was originally introduced to treat neutron and proton as the same particles (nucleons) with different isospin orientation (\(\pm 1/2\)). In the quark model, the isospin of the nucleon results from the isospin of its constituents.

  2. 2.

    In case of the electromagnetic force it is a pure vector interaction.

  3. 3.

    A \(V+A\)—theory would describe an interaction only right-handed particles take part in.

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  1. Fysikum, Stockholms Universitet (SU), Stockholm, Sweden

    Ruth Pöttgen

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  1. Ruth Pöttgen
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Correspondence to Ruth Pöttgen .

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Pöttgen, R. (2016). The Standard Model of Particle Physics. In: Search for Dark Matter with ATLAS. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-41045-6_2

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