2 code implementations • 10 Oct 2019 • JPAC Collaboration, M. Mikhasenko, M. Albaladejo, L. Bibrzycki, C. Fernandez-Ramirez, V. Mathieu, S. Mitchell, M. Pappagallo, A. Pilloni, D. Winney, T. Skwarnicki, A. P. Szczepaniak
We present a general formalism to write the decay amplitude for multibody reactions with explicit separation of the rotational degrees of freedom, which are well controlled by the spin of the decay particle, and dynamic functions on the subchannel invariant masses, which require modeling.
High Energy Physics - Phenomenology
1 code implementation • 7 Oct 2019 • JPAC Collaboration, M. Albaladejo, D. Winney, I. V. ~Danilkin, C. Fernandez-Ramirez, V. Mathieu, M. Mikhasenko, A. Pilloni, J. A. Silva-Castro, A. P. Szczepaniak
Khuri-Treiman equations have proven to be a useful theoretical tool in the analysis of 3-body decays, specially into the $3\pi$ final state.
High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory Nuclear Theory
1 code implementation • 7 Dec 2017 • JPAC Collaboration, M. Mikhasenko, A. Pilloni, J. Nys, M. Albaladejo, C. Fernandez-Ramirez, A. Jackura, V. Mathieu, N. Sherrill, T. Skwarnicki, A. P. Szczepaniak
We study the analytical properties of the spin-orbit (LS) formalism, and some of the covariant tensor approaches.
High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Theory
2 code implementations • 1 Apr 2003 • L. Lesniak, A. P. Szczepaniak
P-wave amplitudes for elastic K+ K- photoproduction on hydrogen near the phi(1020) resonance have been derived in an analytical form and a partial wave decomposition of the amplitudes has been performed.
High Energy Physics - Phenomenology