Latest Issue of Science News

cover 3/7

News

Short-lived particle questions long-lived theory

Studies of the decay of kaons hint at possible flaws in standard model of particle physics.

By
3:24pm, August 19, 2008

Call off the guard dogs. No one — yet — has to worry about researchers drastically tinkering with the standard model of particle physics, the wildly successful theory that describes how elementary particles interact and form the building blocks of matter.

But in sifting through the ashes of a short-lived subatomic particle called the kaon, physicists have found new hints that the theory might one day need to be modified.

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

More from Science News