 |
defining an amplitude...
|
 |
angular distributions two-body X and decays
|
![{\displaystyle \left[P_{X}(-)^{J_{X}+1+\epsilon }e^{2i\alpha }\left({\begin{array}{cc|c}J_{b_{1}}&L_{X}&J_{X}\\m_{b_{1}}&m_{X}&-1\end{array}}\right)+\left({\begin{array}{cc|c}J_{b_{1}}&L_{X}&J_{X}\\m_{b_{1}}&m_{X}&+1\end{array}}\right)\right]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/fded5277a8bfc72affb1262313d3388212337173) |
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:
|