Amplitudes for the Exotic b1π Decay

From UConn PAN
Revision as of 16:36, 12 July 2011 by Senderovich (talk | contribs)
Jump to navigation Jump to search
A_{}^{J_X L_X P_X}

defining an amplitude...

angular distributions two-body X and decays

resonance helicity sum: ε=0 (1) for x (y) polarization; </math>P_X</math> 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

Failed to parse (syntax error): {\displaystyle \sum\limits_{L_{b1}=0}^{2} \sum\limits_{m_{L_{b1}}=-L_{b1}}^{L_{b1}} \sum\limits_{m_\omega}=-J_\omega}^{J_\omega} \sum\limits_{\lambda_\rho}=-s_\rho}^{s_\rho} D_{m_\omega \lambda_\rho}^{J_\omega *}(\theta_\omega,\phi_\omega,0) Y_{\lambda_\rho}^{s_\rho}(\theta_\rho,\phi_\rho) }

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: