Feature Secret of a Lifetime How long a neutron lives holds clues to the cosmos By Rebecca Cheung May 4, 2012 at 10:29 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print In the nuclear family, the neutron is clearly the black sheep. When a neutron “dies,” it decays into a proton. An electron and an antineutrino are emitted in the process. Stephen Egts HONING SURVIVAL Precision in measuring the neutron lifetime has increased (error bars in blue).
