SUMMARY
The calculation of the strong coupling constant, alpha_s, can be derived from jet multiplicity rates, specifically using (1+1) and (2+1) jet event rates. At leading order, the two-jet rate involves two quarks, while the three-jet rate includes two quarks and one gluon, introducing an additional factor of alpha_s. Understanding the Feynman diagrams for processes such as e+e- → q q and e+e- → q q g is essential for these calculations. Resources that detail these calculations are necessary for further exploration.
PREREQUISITES
- Feynman diagram analysis
- Quantum Chromodynamics (QCD)
- Jet multiplicity concepts
- Particle physics event rates
NEXT STEPS
- Study the derivation of alpha_s from jet multiplicity rates
- Explore Feynman diagrams for e+e- → q q and e+e- → q q g
- Review Quantum Chromodynamics (QCD) textbooks for detailed calculations
- Investigate software tools for simulating particle collisions and jet events
USEFUL FOR
Particle physicists, researchers in Quantum Chromodynamics, and students studying high-energy physics who are interested in calculating the strong coupling constant from jet multiplicities.
