Abstract
AbstractA particle consistent with the Higgs boson hypothesized in the Standard Model was discovered in the first data-taking period (Run 1) of the Large Hadron Collider (LHC). With this discovery, all the particles of the Standard Model have been found and the model can be said to be complete. The Standard Model, described in Chap. 2 has been successful, resulting in theory predictions that have good agreement with experimental observations. Also, improvements in theoretical calculations have resolved tensions between theoretical predictions and observation, as in the WZ cross section measurement, discussed in Chap. 5. However, the Standard Model does not provide a satisfactory explanation for the relatively small Higgs mass (called the Higgs naturalness problem) and does not provide a dark matter candidate. Supersymmetric (SUSY) models have solutions to these and many other problems, and it is crucial to test these theories at the LHC during Run II.
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