| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,821,596,575 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
up quark |
Also found in: Dictionary/thesaurus, Wikipedia | 0.02 sec. |
|
up quark [′əp ‚kwärk] (particle physics) A quark with an electric charge of +⅔, baryon number of ⅓, and 0 strangeness and charm. Symbolizedu. 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. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| A typical nucleon includes three quarks: two down quarks and one up quark for a neutron; two up quarks and one down quark for a proton. A neutron, which also has a spin of 1/2, consists of two down quarks and one up quark. A proton, for example, is made up of two up quarks and one down quark, and a neutron is made up of two down quarks and one up quark. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|