LHEParticle¶

class madspace.LHEParticle(self: madspace._madspace_py.LHEParticle, pdg_id: SupportsInt = 0, status_code: SupportsInt = 0, mother1: SupportsInt = 0, mother2: SupportsInt = 0, color: SupportsInt = 0, anti_color: SupportsInt = 0, px: SupportsFloat = 0.0, py: SupportsFloat = 0.0, pz: SupportsFloat = 0.0, energy: SupportsFloat = 0.0, mass: SupportsFloat = 0.0, lifetime: SupportsFloat = 0.0, spin: SupportsFloat = 0.0)¶

Bases: pybind11_object

One particle line of an LHE <event> block, as defined by the Les Houches Accord [1].

property anti_color¶

property color¶: Color and anti-color line indices; 0 for a color singlet.

property energy¶

property lifetime¶: Proper lifetime (c times tau), in mm; 0 if not tracked.

property mass¶

property mother1¶: 1-based indices (into the same event) of the two mother particles; 0 if not applicable.

property mother2¶

property pdg_id¶: Particle Data Group id.

property px¶: Momentum components and energy, in GeV.

property py¶

property pz¶

property spin¶: Cosine of the spin angle, or 9 if the spin is not specified.

property status_code¶: One of status_incoming, status_outgoing or status_intermediate_resonance.

status_incoming = -1¶

status_intermediate_resonance = 2¶

status_outgoing = 1¶