Model-independent extraction of the pole and Breit-Wigner resonance parameters (CROSBI ID 195130)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ceci, Saša ; Korolija, Milorad ; Zauner, Branimir
engleski
Model-independent extraction of the pole and Breit-Wigner resonance parameters
We show that a slightly modified Breit-Wigner formula can successfully describe the total cross section even for the broad resonances, from light $\rho(770)$ to the heavy Z boson. In addition to mass, width, and branching fraction, we include another resonance parameter that turns out to be directly related to the pole residue phase. The new formula has two mathematically equivalent forms: one with the pole, and the other with the Breit-Wigner parameters.
scattering matrix ; resonances ; Hadron masses ; Z boson
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
Podaci o izdanju
111 (11)
2013.
112004
5
objavljeno
0031-9007
1079-7114
10.1103/PhysRevLett.111.112004