hadron
English
Etymology
From Ancient Greek ἁδρός (hadrós, “thick”) + -on. Coined by Russian physicist Lev Okun in 1962 in a plenary talk at the International Conference on High Energy Physics.
Pronunciation
Noun
hadron (plural hadrons)
- (physics) A composite particle that comprises two or more quarks held together by the strong force and (consequently) can interact with other particles via said force; a meson or a baryon.
- 1996, J. R. Batley, Measurements of B Hadron Lifetimes at LEP, Michael C. Birse, G. D. Lafferty, J. A. McGovern (editors), Hadron '95: The 6th International Conference on Hadron Spectroscopy, World Scientific, page 48,
- The weak decays of b hadrons are dominated by the spectator model process whereby the b quark decays to a c quark (or occasionally a u quark) with the emission of an external W, while the non-b antiquark or diquark acts simply as a passive spectator to the decay.
- 2005, D. B. Leinweber, A. W. Thomas, R. D. Young, Hadron Structure and QCD: Effective Field Theory for Lattice Simulations, Alex C. Kalloniatis, Derek B. Leinweber, Anthony G. Williams (editors), Lattice Hadron Physics, Springer, page 114,
- One can use the lattice simulations, which do represent the rigorous consequences of non-perturbative QCD, as guidance for models of hadron structure.
- 2017, Syed Afsar Abbas, Group Theory in Particle, Nuclear, and Hadron Physics, Taylor & Francis (CRC Press / Chapman & Hall), page 204,
- And hence colour, which was initially an ad hoc concept, later turned out to be an empirically confirmed reality of hadrons.
- 1996, J. R. Batley, Measurements of B Hadron Lifetimes at LEP, Michael C. Birse, G. D. Lafferty, J. A. McGovern (editors), Hadron '95: The 6th International Conference on Hadron Spectroscopy, World Scientific, page 48,
Usage notes
- Aside from individual quarks (which are never observed by themselves) hadrons are the only particles that interact via the strong force. Thus, a possible (though potentially slightly misleading) definition is "composite particle that can interact via the strong force."
- The two categorisations hadron versus non-hadron and fermion versus boson together turn out to comprise a useful high-level categorisation of subatomic particles. (See the diagram above.)
- (Missing from the diagram are quarks, the building blocks of hadrons. They are elementary, and therefore not themselves hadrons; they are, however, fermions. Thus, they would be classified, alongside leptons, as non-hadronic fermions.)
Hyponyms
Derived terms
Translations
composite particle composed of quarks
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Further reading
- Quark on Wikipedia.Wikipedia
- Quark model on Wikipedia.Wikipedia
- Standard Model on Wikipedia.Wikipedia
- Subatomic particle on Wikipedia.Wikipedia
- List of particles on Wikipedia.Wikipedia
- Large Hadron Collider on Wikipedia.Wikipedia
Anagrams
Dutch
Pronunciation
Audio: (file) - Hyphenation: ha‧dron
Noun
hadron n (plural hadronen)
Polish
Pronunciation
Noun
hadron m inan
Declension
Declension of hadron
Serbo-Croatian
Pronunciation
Noun
hàdrōn m (Cyrillic spelling ха̀дро̄н)
Declension
Declension of hadron
Slovene
Pronunciation
Noun
hadrọ̑n m inan
Inflection
Masculine inan., hard o-stem | |||
---|---|---|---|
nom. sing. | hadrón | ||
gen. sing. | hadróna | ||
singular | dual | plural | |
nominative (imenovȃlnik) |
hadrón | hadróna | hadróni |
genitive (rodȋlnik) |
hadróna | hadrónov | hadrónov |
dative (dajȃlnik) |
hadrónu | hadrónoma | hadrónom |
accusative (tožȋlnik) |
hadrón | hadróna | hadróne |
locative (mẹ̑stnik) |
hadrónu | hadrónih | hadrónih |
instrumental (orọ̑dnik) |
hadrónom | hadrónoma | hadróni |
Turkish
Noun
hadron (definite accusative hadronu, plural hadronlar)
Declension
Inflection | ||
---|---|---|
Nominative | hadron | |
Definite accusative | hadronu | |
Singular | Plural | |
Nominative | hadron | hadronlar |
Definite accusative | hadronu | hadronları |
Dative | hadrona | hadronlara |
Locative | hadronda | hadronlarda |
Ablative | hadrondan | hadronlardan |
Genitive | hadronun | hadronların |
Categories:
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