Acts::MaterialInteraction Struct Reference

The Material interaction struct It records the surface and the passed material This is only necessary recorded when configured. More...

#include <Acts/Material/MaterialInteraction.hpp>

Collaboration diagram for Acts::MaterialInteraction:

Public Attributes
double	deltaP = 0.0
	The momentum change due to the interaction.
Vector3	direction = Vector3(0., 0., 0)
	The particle direction at the interaction.
Vector3	intersection = Vector3(0., 0., 0)
	The position where the interaction occurred.
GeometryIdentifier	intersectionID
	The ID where the interaction occurred.
MaterialSlab	materialSlab = MaterialSlab::Nothing()
	The effective, passed material properties including the path correction.
double	pathCorrection = 1.
	The path correction factor due to non-zero incidence on the surface.
Vector3	position = Vector3(0., 0., 0)
	The particle position at the interaction.
double	sigmaPhi2 = 0.0
	Expected phi variance due to the interactions.
double	sigmaQoP2 = 0.0
	Expected q/p variance due to the interactions.
double	sigmaTheta2 = 0.0
	Expected theta variance due to the interactions.
const Surface *	surface = nullptr
	The surface where the interaction occurred.
double	time = 0.0
	The particle time at the interaction.
bool	updatedVolumeStep = false
	Update the volume step to implement the proper step size.
InteractionVolume	volume {}
	The volume where the interaction occurred.

Detailed Description

The Material interaction struct It records the surface and the passed material This is only necessary recorded when configured.