rootpy.vector.LorentzVector

class rootpy.vector.LorentzVector[source]

A subclass of ROOT.TLorentzVector.

Examples

>>> from rootpy.vector import LorentzVector
>>> vect = LorentzVector(1, 2, 3, 4)
>>> vect
LorentzVector(px=1.000000, py=2.000000, pz=3.000000, E=4.000000)