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- The only fundamental scalar boson in the Standard Model of particle physics is the Higgs boson, the existence of which was confirmed on 14 March 2013 at the Large Hadron Collider. As a result of this confirmation, the 2013 Nobel Prize in physics was awarded to Peter Higgs and François Englert.
- Various known composite particles are scalar bosons, e.g. the alpha particle and the pion.
- The φ⁴-theory, a popular quantum field theory, uses scalar bosonic fields as employed in many introductory books to quantum field theories,[page needed] serving as a toy model, introducing the basic concepts of the field.