Physics:Quantum tetraquark: Difference between revisions
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{{Short description|Exotic hadron with four | {{Short description|Exotic hadron with four valence quark constituents}} | ||
{{Quantum matter backlink|Composite particles}} | {{Quantum matter backlink|Composite particles}} | ||
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A '''quantum tetraquark''' is an exotic hadron | A '''quantum tetraquark''' is an exotic hadron whose minimal valence content contains two quarks and two antiquarks. Tetraquark candidates test how QCD binds quarks beyond the ordinary meson and baryon patterns.<ref>{{cite web |title=Tetraquark |url=https://en.wikipedia.org/wiki/Tetraquark |website=Wikipedia |access-date=20 May 2026}}</ref><ref>{{cite journal |collaboration=Particle Data Group |title=Review of Particle Physics |journal=Physical Review D |volume=110 |issue=3 |pages=030001 |year=2024 |id=DOI 10.1103/PhysRevD.110.030001}}</ref><ref>{{cite book |last1=Halzen |first1=Francis |last2=Martin |first2=Alan D. |title=Quarks and Leptons |publisher=Wiley |year=1984 |id=ISBN 978-0-471-88741-6}}</ref> | ||
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[[File: | [[File:Quantum_tetraquark_yellow.png|thumb|280px|Tetraquark: four-quark exotic hadron.]] | ||
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== | == Structure == | ||
Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement.<ref>{{cite book |last=Schwartz |first=Matthew D. |title=Quantum Field Theory and the Standard Model |publisher=Cambridge University Press |year=2014 |id=ISBN 978-1-107-03473-0}}</ref> | |||
== Experimental role == | |||
Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates. Their spectra and decays provide detailed tests of strong-interaction dynamics.<ref>{{cite journal |collaboration=Particle Data Group |title=Review of Particle Physics |journal=Physical Review D |volume=110 |issue=3 |pages=030001 |year=2024 |id=DOI 10.1103/PhysRevD.110.030001}}</ref> | |||
=See also= | =See also= | ||
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{{Author|Harold Foppele}} | {{Author|Harold Foppele}} | ||
{{Sourceattribution| | {{Sourceattribution|Physics:Quantum tetraquark|1}} | ||
Revision as of 22:04, 19 May 2026
A quantum tetraquark is an exotic hadron whose minimal valence content contains two quarks and two antiquarks. Tetraquark candidates test how QCD binds quarks beyond the ordinary meson and baryon patterns.[1][2][3]
Structure
Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement.[4]
Experimental role
Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates. Their spectra and decays provide detailed tests of strong-interaction dynamics.[5]
See also
Table of contents (84 articles)
Index
Composite matter
Sub-molecular
Full contents
1. Materials (6) Back to index
2. Matter (5) Back to index
3. Plasma and fusion physics (6) Back to index
4. Molecules (6) Back to index
5. Nuclear matter (6) Back to index
6. Atoms (7) Back to index
7. Particles (12) Back to index
8. Composite particles (12) Back to index
9. Fields (12) Back to index
10. Vacuum and spacetime (12) Back to index
References
- ↑ "Tetraquark". https://en.wikipedia.org/wiki/Tetraquark.
- ↑ "Review of Particle Physics". Physical Review D 110 (3): 030001. 2024. DOI 10.1103/PhysRevD.110.030001.
- ↑ Halzen, Francis; Martin, Alan D. (1984). Quarks and Leptons. Wiley. ISBN 978-0-471-88741-6.
- ↑ Schwartz, Matthew D. (2014). Quantum Field Theory and the Standard Model. Cambridge University Press. ISBN 978-1-107-03473-0.
- ↑ "Review of Particle Physics". Physical Review D 110 (3): 030001. 2024. DOI 10.1103/PhysRevD.110.030001.
Author: Harold Foppele
Source attribution: Physics:Quantum tetraquark
