= Emilio Segrè
{c}
{tag=Physicist}
{title2=1905–1989}
{wiki}
= E. Segrè
{c}
{synonym}
<Emilio Segrè> coauthored experiments showing that hydrogen-rich material can enhance <neutron>-induced <radioactivity>. Placing <paraffin wax> around the irradiation arrangement changed activation rather than merely shielding the target. Collisions with light nuclei slow the <neutrons>, altering their subsequent nuclear-reaction probabilities. This made the surrounding material part of the experiment and helped establish <neutron moderation> as a method for controlling induced <radioactivity>.<Azione di sostanze idrogenate sulla radioattività provocata da neutroni. I by Enrico Fermi and others>[1934 communication, collected translation no. 105b, pp. 761–762]{ref}
A <physicist>.https://www.lbl.gov/people/excellence/nobelists/emilio-segre/[Independent professional profile]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Emilio_Segre.jpeg?width=260]
{title=Portrait of <Emilio Segrè>}
{description=Photolab; LBL Collection; 28 April 1954. Public domain in the United States: publication without copyright notice (PD-US-no-notice). https://commons.wikimedia.org/wiki/File:Emilio_Segre.jpeg[Source usage terms], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Emilio_Segre.jpeg}
{width=260}
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