= Burton Richter
{c}
{tag=Physicist}
{wiki}
= B. Richter
{c}
{synonym}
<Burton Richter> coauthored an independent 1974 discovery of a narrow resonance in electron–positron annihilation. Scanning the collision <energy> revealed a sharp increase in production of <hadrons> and charged-lepton pairs near 3.1 GeV. Unlike reconstructing a decay from a fixed-target beam, this method varied the initial <energy> to pass directly through the resonance. The complementary measurements helped establish the state now associated with the November 1974 particle discoveries.<Discovery of a Narrow Resonance in e+e- Annihilation by J.-E. Augustin>[1974 abstract: sharp cross-section peak and measured width limit]{ref}
A <physicist>.<Professional profile of Burton Richter>[Independent professional identity]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Burton_Richter_1976_by_Eddie_Adams.jpg?width=260]
{title=Portrait of <Burton Richter>}
{description=Eddie Adams / Associated Press; 29 November 1976; existing Commons version uploaded by Based5290. Public domain in the United States: publication without copyright notice (PD-US-no-notice). https://commons.wikimedia.org/wiki/File:Burton_Richter_1976_by_Eddie_Adams.jpg[Source usage terms], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Burton_Richter_1976_by_Eddie_Adams.jpg}
{width=260}
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