The incredible shrinking proton | Science News

Love Science? Welcome Home.

Support Amazing Science Journalism.

Create the New Science Generation.


News

The incredible shrinking proton

Subatomic particle may be smaller than theory dictates

By
3:46pm, July 7, 2010

Nothing is immune to downsizing in these tough economic times — not even subatomic particles. New measurements published in the July 8 Nature suggest that the proton has a radius about 4 percent smaller than previously thought.

The result could just be a mistake. But if confirmed, a smaller proton could have enormous implications, scientists say.

“If this result holds up there’s something drastically wrong,” says Jeff Flowers of the National Physical Laboratory in England.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News