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Table 2 Configurations and boundary conditions considered for the CIE calculation procedure

From: Monte Carlo modelling of a compact CZT-based gamma camera with application to 177Lu imaging

Component (equation number)

Alternative

Configuration

Effective number of tunable parameters\(^\mathrm{b}\)

Electric potential

(1)

A1

Uniform electric field

0

(1)

A2\(^\mathrm{a,c}\)

\(\nabla \varphi \cdot \hat{n} = 0\)

0

(1)

A3

Weighted average of the results from A1 and A2

1

Weighting potential

(2)

B1\(^\mathrm{a}\)

\(\nabla \varphi _k \cdot \hat{n} = 0\)

0

(2)

B2

Inverse-distance weighted transition

2

Signal generation

(5)

C1

Electrons only

2

(5)

C2

Electrons and holes

3

  1. \(^\mathrm{a}\)Boundary condition applied on inter-anode gaps.
  2. \(^\mathrm{b}\)Parameters are listed in Additional file 1: Appendix E.
  3. \(^\mathrm{c}\)Alternative A2 was not used on its own and is only defined here to clarify the definition of A3