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Bloch-nordsieck violating electroweak corrections to inclusive TeV scale hard processes
Ciafaloni1, Ciafaloni, Comelli
1Dipartimento di Fisica, Universita di Firenze e INFN-Sezione di Firenze, I-50125 Florence, Italy.
Physical Review Letters
|September 16, 2000
Summary
Electroweak radiative corrections at the TeV scale are impacted by non-Abelian flavor in collider initial states. This study analyzes non-canceling terms in electron-positron annihilation, affecting hard cross sections.
Area of Science:
- High Energy Physics
- Quantum Field Theory
- Particle Colliders
Background:
- Collider physics involves complex interactions at high energies.
- Electroweak radiative corrections are crucial for precise cross-section calculations.
- Non-Abelian gauge theories describe fundamental forces.
Purpose of the Study:
- To investigate the impact of non-Abelian flavor in collider initial states on electroweak radiative corrections.
- To analyze Bloch-Nordsieck violating double logarithms in hard cross sections at the TeV scale.
- To evaluate non-canceling terms within soft cancellation theorems.
Main Methods:
- Recalling the framework of soft cancellation theorems.
- Analyzing the magnitude of non-canceling terms.
- Focusing on electron-positron annihilation into hadrons as a specific example.
Main Results:
- Identified peculiar Bloch-Nordsieck violating double logs affecting cross sections.
- Demonstrated the influence of non-Abelian flavor in initial states.
- Quantified the contribution of non-canceling terms in a specific annihilation process.
Conclusions:
- Non-Abelian flavor in collider initial states significantly affects electroweak radiative corrections.
- Understanding these non-canceling terms is essential for accurate theoretical predictions.
- The analysis provides insights into high-energy particle interactions.