Amplitudes for the Exotic b1π Decay

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Let's begin with the amplitude for decay of a state X with some Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle J_X,M_X} quantum numbers:


Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \langle \Omega_X 0 \lambda_{b_1} | U_X | J_X m_X \rangle = \langle \Omega_X 0 \lambda_{b_1}|J_X m_X L_X s_{b_1} \rangle \langle J_X m_X L_X s_{b_1} | U_X | J_X m_X \rangle }






OLD

defining an amplitude...

angular distributions two-body X and decays

resonance helicity sum: ε=0 (1) for x (y) polarization; is the parity of the resonance

polarization term: η is the polarization fraction

k, q are breakup momenta for the resonance and isobar, respectively

Clebsch-Gordan coefficients for isospin sum

two-stage breakup angular distributions, currently modeled as

angular momentum sum Clebsch-Gordan coefficients for b1 and ω decays.

Clebsch-Gordan coefficients for isospin sums: Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \pi^0 \oplus (\pi^+ \oplus \pi^-) \rightarrow \omega}