All Outputs (2)

Effective theory approach to unstable particle production (2004)
Journal Article
Beneke, M., Chapovsky, A., Signer, A., & Zanderighi, G. (2004). Effective theory approach to unstable particle production. Physical Review Letters, 93, https://doi.org/10.1103/physrevlett.93.011602

Using the hierarchy of scales between the mass M and the width Gamma of a heavy, unstable particle, we construct an effective theory that allows calculations for resonant processes to be systematically expanded in powers of the coupling alpha and Gam... Read More about Effective theory approach to unstable particle production.

Effective theory calculation of resonant high-energy scattering (2004)
Journal Article
Beneke, M., Chapovsky, A., Signer, A., & Zanderighi, G. (2004). Effective theory calculation of resonant high-energy scattering. Nuclear Physics B, 686(1-2), 205-247. https://doi.org/10.1016/j.nuclphysb.2004.03.016

Tests of the Standard Model and its hypothetical extensions require precise theoretical predictions for processes involving massive, unstable particles. It is well-known that ordinary weak-coupling perturbation theory breaks down due to intermediate... Read More about Effective theory calculation of resonant high-energy scattering.