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- Title
MASS SHELL SMEARING EFFECTS IN TOP PAIR PRODUCTION.
- Authors
KUKSA, V. I.; PASECHNIK, R. S.; VLASENKO, D. E.
- Abstract
The top quark pair production and decay are considered in the framework of the smeared-mass unstable particles model. The results for total and differential cross-sections in vicinity of $t\bar{t}$ threshold are in good agreement with the previous ones in the literature. The strategy of calculations of the higher order corrections in the framework of the model is discussed. Suggested approach significantly simplifies calculations compared to the standard perturbative one and can serve as a convenient tool for fast and precise preliminary analysis of processes involving intermediate timelike top quark exchanges in the near-threshold region.
- Subjects
PAIR production; NUCLEAR models; FLAVOR in particle physics; ATOMIC mass; MATHEMATICAL models; PERTURBATION theory; NUCLEAR cross sections
- Publication
International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2012, Vol 27, Issue 13, p1250072-1
- ISSN
0217-751X
- Publication type
Academic Journal
- DOI
10.1142/S0217751X12500728