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In particle physics, a kaon, also called a K meson and denoted K, is any of a group of four mesons distinguished by a quantum number called strangeness. In the quark model they are understood to be bound states of a strange quark (or antiquark) and an up or down antiquark (or quark).
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particle cp two weak neutral violation physics strangeness decay k0 antiparticle parity pions mass decays quark kaons mesons 10 interactions
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Kaon | Antiparticle | K+ : K− K0 : K0 K0 : K0 K− : K+ | 1.00 | infobox |
| Kaon | Composition | K+ : us K0 : ds K0 : sd K− : su | 1.00 | infobox |
| Kaon | Discovered | 1947 (Clifford Butler and George Rochester at Department of Physics and Astronomy, University of Manchester) | 1.00 | infobox |
| Kaon | Electric charge | K± : ±1 e K0 , K0 : 0 e | 1.00 | infobox |
| Kaon | Family | Mesons | 1.00 | infobox |
| Kaon | Interactions | Strong, weak, electromagnetic, gravitational | 1.00 | infobox |
| Kaon | Isospin | K+ , K0 : +.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text… | 1.00 | infobox |
| Kaon | Mass | K± : 493.677±0.016 MeV/c2 K0 , K0 : 497.611±0.013 MeV/c2 | 1.00 | infobox |
| Kaon | Mean lifetime | K± : (1.2380±0.0020)×10−8 s K S: (8.954±0.004)×10−11 s K L: (5.116±0.021)×10−8 s | 1.00 | infobox |
| Kaon | Parity | −1 | 1.00 | infobox |
| Kaon | Spin | 0 ħ | 1.00 | infobox |
| Kaon | Statistics | Bosonic | 1.00 | infobox |
| Kaon | Strangeness | K+ , K0 : +1 K− , K0 : −1 | 1.00 | infobox |
| Kaon | Symbol | K+ , K0 , K0 , K− | 1.00 | infobox |
| Kaon | Types | 4 | 1.00 | infobox |
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