openmc.data.NBodyPhaseSpace¶

class openmc.data.NBodyPhaseSpace(total_mass, n_particles, atomic_weight_ratio, q_value)[source]¶

N-body phase space distribution

Parameters:	total_mass (float) – Total mass of product particles n_particles (int) – Number of product particles atomic_weight_ratio (float) – Atomic weight ratio of target nuclide q_value (float) – Q value for reaction in eV
Variables:	total_mass (float) – Total mass of product particles n_particles (int) – Number of product particles atomic_weight_ratio (float) – Atomic weight ratio of target nuclide q_value (float) – Q value for reaction in eV

classmethod from_ace(ace, idx, q_value)[source]¶

Generate N-body phase space distribution from ACE data

Parameters:	ace (openmc.data.ace.Table) – ACE table to read from idx (int) – Index in XSS array of the start of the energy distribution data (LDIS + LOCC - 1) q_value (float) – Q-value for reaction in eV
Returns:	N-body phase space distribution
Return type:	openmc.data.NBodyPhaseSpace

classmethod from_endf(file_obj)[source]¶

Generate N-body phase space distribution from an ENDF evaluation

Parameters:	file_obj (file-like object) – ENDF file positions at the start of the N-body phase space distribution
Returns:	N-body phase space distribution
Return type:	openmc.data.NBodyPhaseSpace

classmethod from_hdf5(group)[source]¶

Generate N-body phase space distribution from HDF5 data

Parameters:	group (h5py.Group) – HDF5 group to read from
Returns:	N-body phase space distribution
Return type:	openmc.data.NBodyPhaseSpace

to_hdf5(group)[source]¶

Write distribution to an HDF5 group

Parameters:	group (h5py.Group) – HDF5 group to write to