split_ls
- class ParticleBWRLS(*args, **kwargs)[source]
Bases:
ParticleLS
Breit Wigner with split ls running width
\[R_i (m) = \frac{g_i}{m_0^2 - m^2 - im_0 \Gamma_0 \frac{\rho}{\rho_0} (\sum_{i} g_i^2)}\], \(\rho = 2q/m\), the partial width factor is
\[g_i = \gamma_i \frac{q^l}{q_0^l} B_{l_i}'(q,q_0,d)\]and keep normalize as
\[\sum_{i} \gamma_i^2 = 1.\]The normalize is done by (\(\cos \theta_0, \sin\theta_0 \cos \theta_1, \cdots, \prod_i \sin\theta_i\))
- model_name = 'BWR_LS'
- class ParticleBWRLS2(*args, **kwargs)[source]
Bases:
ParticleLS
Breit Wigner with split ls running width, each one use their own l,
\[R_i (m) = \frac{1}{m_0^2 - m^2 - im_0 \Gamma_0 \frac{\rho}{\rho_0} (g_i^2)}\], \(\rho = 2q/m\), the partial width factor is
\[g_i = \gamma_i \frac{q^l}{q_0^l} B_{l_i}'(q,q_0,d)\]- model_name = 'BWR_LS2'
- class ParticleDecayLS(*args, **kwargs)[source]
Bases:
HelicityDecay
- model_name = 'LS-decay'
- class ParticleMultiBW(*args, **kwargs)[source]
Bases:
ParticleMultiBWR
Combine Multi BW into one particle
- model_name = 'MultiBW'
- class ParticleMultiBWR(*args, **kwargs)[source]
Bases:
ParticleLS
Combine Multi BWR into one particle
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Source code
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)- model_name = 'MultiBWR'