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:

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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.

Member Data Documentation

◆ deltaP

double Acts::MaterialInteraction::deltaP = 0.0

The momentum change due to the interaction.

◆ direction

Vector3 Acts::MaterialInteraction::direction = Vector3(0., 0., 0)

The particle direction at the interaction.

◆ intersection

Vector3 Acts::MaterialInteraction::intersection = Vector3(0., 0., 0)

The position where the interaction occurred.

◆ intersectionID

GeometryIdentifier Acts::MaterialInteraction::intersectionID

The ID where the interaction occurred.

◆ materialSlab

MaterialSlab Acts::MaterialInteraction::materialSlab = MaterialSlab::Nothing()

The effective, passed material properties including the path correction.

◆ pathCorrection

double Acts::MaterialInteraction::pathCorrection = 1.

The path correction factor due to non-zero incidence on the surface.

◆ position

Vector3 Acts::MaterialInteraction::position = Vector3(0., 0., 0)

The particle position at the interaction.

◆ sigmaPhi2

double Acts::MaterialInteraction::sigmaPhi2 = 0.0

Expected phi variance due to the interactions.

◆ sigmaQoP2

double Acts::MaterialInteraction::sigmaQoP2 = 0.0

Expected q/p variance due to the interactions.

◆ sigmaTheta2

double Acts::MaterialInteraction::sigmaTheta2 = 0.0

Expected theta variance due to the interactions.

◆ surface

const Surface* Acts::MaterialInteraction::surface = nullptr

The surface where the interaction occurred.

◆ time

double Acts::MaterialInteraction::time = 0.0

The particle time at the interaction.

◆ updatedVolumeStep

bool Acts::MaterialInteraction::updatedVolumeStep = false

Update the volume step to implement the proper step size.

◆ volume

InteractionVolume Acts::MaterialInteraction::volume {}

The volume where the interaction occurred.

Public Attributes