Amplitudes for the Exotic b1π Decay

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 \sum\limits_{m_X=-L_X}^{L_X} \sum\limits_{m_{b1}=-J_{b1}}^{J_{b1}} Y_{m_X}^{L_X}(\theta_X,\phi_X) D_{m_{b1} n_{b1}}^{J_{b1}*}(\theta_{b1},\phi_{b1},0) \left[ (-)^{J_X+1+\epsilon} e^{2i\alpha} \left(\begin{array}{cc|c} J_{b1} & L_X & J_X \\ m_{b1} & m_X & -1 \end{array}\right) + \left(\begin{array}{cc|c} J_{b1} & L_X & J_X \\ m_{b1} & m_X & -1 \end{array}\right) \right] k^{L_X} q^{J_{b1}} \left(\begin{array}{cc|c} I_{b1} & 1 & I_X \\ I_{z\pi^+} & I_{z\pi^-} & I_{z\pi^+}+I_{z\pi^-} \end{array}\right) }