Source code for pdg.decay

"""
Classes supporting decays and branching fractions/ratios.
"""

from pdg.data import PdgProperty


[docs]class PdgBranchingFraction(PdgProperty): @property def mode_number(self): """Mode number of this decay. Note that the decay mode number may change from one edition of the Review of Particle Physics to the next one.""" return self._get_pdgid()['mode_number'] @property def is_subdecay(self): """True if this is a subdecay ("indented") decay mode.""" data_type_code = self.data_type if len(data_type_code) < 4: return False else: return data_type_code[0:3] == 'BFX' or data_type_code[0:3] == 'BFI' @property def subdecay_level(self): """Return indentation level of a decay mode.""" if self.is_subdecay: return int(self.data_type[3]) else: return 0