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- Title
ON THE FACTORIZATION OF THE SCATTERING OF W BOSONS.
- Authors
FRANCESCHINI, ROBERTO
- Abstract
Recent results on the application of the method of the effective quanta to the case of WW scattering are reviewed. In particular, it is reviewed how effective W bosons can be used to compute scattering amplitudes in a generalized Effective W Approximation (gEWA). The physical origin and the expected size of the discrepancy between the exact computation and the gEWA computation are discussed. Particular attention is devoted to the peculiarities of the formulation of the gEWA for processes that involve longitudinal W bosons. These formal results are checked through explicit numerical calculations of both scattering amplitudes and scattering cross-sections. Furthermore, the use of the gEWA for the interpretation and for the presentation of the measurement of WW scattering at the LHC is briefly discussed.
- Subjects
W bosons; NAMBU-Goldstone bosons; APPROXIMATION theory; NUMERICAL calculations; SCATTERING (Physics); LARGE Hadron Collider; CROSS-sectional method
- Publication
Modern Physics Letters A, 2013, Vol 28, Issue 12, p1
- ISSN
0217-7323
- Publication type
Article
- DOI
10.1142/S0217732313300085