| eta particle n. An electrically neutral meson having a mass 1,071 times that of the electron and a mean lifetime of approximately 3.5 × 10-8 seconds. See Table at subatomic particle. |
eta particle (  t ,  t) An electrically neutral meson having a mass 1,071 times that of the electron and a mean lifetime of approximately 3.5 × 10-8 seconds. See Table at subatomic particle. |
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|