Impact ionization: add test

# SPDX-FileCopyrightText: 2022 CERN and the Allpix Squared authors

# SPDX-License-Identifier: MIT

#DESC tests functionality of impact ionizations in high-field regions

[Allpix]

detectors_file = "detector.conf"

number_of_events = 1

random_seed = 0

[DepositionPointCharge]

model = "fixed"

source_type = "point"

position = 445um 220um 50um

number_of_charges = 1

[ElectricFieldReader]

model = "linear"

bias_voltage = -1.4kV

depletion_depth = 150um

[GenericPropagation]

log_level = DEBUG

temperature = 293K

charge_per_step = 1

timestep_max = 1ps

multiplication_model = "okuto"

multiplication_threshold = 100kV/cm

#PASS Calculated gain of 1.10271 for step of 106.677nm from field of 186.529kV/cm to 186.646kV/cm