= Peter Higgs
{c}
{tag=Physicist}
{title2=1929–2024}
{wiki}
= Peter W. Higgs
{c}
{synonym}
<Peter Higgs> explained how coupling a broken-symmetry scalar theory to <gauge fields> changes the physical particle spectrum. In his 1964 model, a massless scalar degree of freedom supplies the longitudinal mode of a massive <gauge boson>; another scalar excitation remains. Thus the massless-particle conclusion of the <Goldstone theorem> does not apply unchanged to the gauged system. This <Higgs mechanism> connects the vacuum's field configuration with measurable particle <masses> and an additional scalar particle.<Broken Symmetries and the Masses of Gauge Bosons by Peter Higgs>[1964, opening and scalar/vector model: longitudinal gauge mode and surviving scalar excitation]{ref}
A <physicist> who investigated the <Higgs mechanism>.<Professional profile of Peter Higgs (ph.ed.ac.uk)>[Independent professional identity]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Nobel%20Prize%2024%202013%20%28cropped%29.jpg?width=250]
{title=Portrait of <Peter Higgs>}
{description=Bengt Nyman, photograph; JB Hoang Tam, existing portrait crop. https://creativecommons.org/licenses/by/2.0/[CC BY 2.0], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Nobel_Prize_24_2013_(cropped).jpg}
{width=250}
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