Nobel Lecture: The BEH mechanism and its scalar boson^*

Figure 1

Massive particle mediating short range interactions.

Figure 2

The ground state of a ferromagnet.

Figure 3

Effective thermodynamical potential of a ferromagnet above and below the Curie point.

Figure 4

Spontaneous symmetry breaking in the Goldstone model.

Figure 5

Massless Nambu-Goldstone mode $f_2$.

Figure 6

Massive scalar mode $f_1$.

Figure 7

Interaction of the gauge field with the condensate.

Figure 8

Coupling of the scalar boson $f_1$ to massive gauge bosons.

Figure 9

Mass generation $m_f={\lambda }_f⟨\varphi ⟩$ from a coupling ${\lambda }_f$ of fermions to the scalar field $\varphi$.

Figure 10

Fermion constituents of the standard model.

Figure 11

Coupling of the scalar boson $f$ to massive gauge bosons and to elementary fermions.

Figure 12

Coupling of the scalar boson $f$ to photons.

Figure 13

Schematic location of the LHC.

Figure 14

The LHC dipole magnets.

Figure 15

The ATLAS detector.

Figure 16

The CMS detector.

Figure 17

Production of the standard model scalar.

Figure 18

Decay of the scalar boson into 4 leptons from two $Z$s.