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Table 1 Configuration parameters

From: The impact of scanning data measurements on the Acuros dose calculation algorithm configuration

6X

Mean energy [MeV]

(after target)

Mean energy [MeV]

(on cax, after FF*)

Size of second source [mm]

Relative intensity of second source [%]

Mean energy of second source [MeV]

e-cont σ0 at SAD [mm]

e-cont σ1 at SAD [mm]

Relative fraction σ0

Ref

1.288

1.814

33.6

4.4

0.951

7.930

110.8

0.363

MLS

1.495

1.664

36.9

4.4

0.810

1.001

116.8

0.332

Diag_MLS

1.341

1.770

35.4

4.8

0.941

8.856

105.1

0.315

Prof_MLS

1.288

1.804

35.1

4.6

0.893

8.037

103.1

0.325

Pdd_MLS

1.508

1.704

37.1

3.9

0.828

10.22

119.3

0.245

DiagSSD70

1.331

1.794

30.6

4.2

1.028

8.712

106.1

0.321

PDD + 3 mm

1.207

1.844

33.9

4.1

0.979

350.0

500.0

0.005

PDD_centreIC

1.272

1.821

31.9

4.2

1.006

80.60

116.4

0.314

PDD-3 mm

1.313

1.817

34.3

4.6

0.972

1.018

128.6

0.697

PinPoint

1.229

1.820

30.9

3.1

0.760

1.001

97.4

0.354

DiodeP

0.996

1.858

40.0

5.3

1.066

14.68

103.5

0.240

microDiamond

1.235

1.815

35.9

4.6

1.002

13.30

107.3

0.179

RBD

1.223

1.815

30.2

4.6

1.167

1.001

95.8

0.334

6FFF

Mean energy [MeV]

(after target)

Mean energy [MeV]

(on cax, after FF*)

Size of second source [mm]

Relative intensity of second source [%]

Mean energy of second source [MeV]

e-cont σ0 at SAD [mm]

e-cont σ1 at SAD [mm]

Relative fraction σ0

Ref

1.266

1.302

 

0.00

 

9.559

93.85

0.344

MLS

1.502

1.200

 

0.00

 

1.004

108.4

0.540

Diag_MLS

1.306

1.273

 

0.00

 

1.002

90.0

0.487

Prof_MLS

1.303

1.306

 

0.00

 

1.002

94.8

0.494

PDD_MLS

1.433

1.267

 

0.00

 

1.003

104.4

0.450

PDD + 3 mm

1.263

1.307

 

0.00

 

349.0

498.8

0.005

PDD-3 mm

1.268

1.291

 

0.00

 

1.004

96.02

0.714

PDD_centreIC

1.266

1.292

 

0.00

 

19.16

102.1

0.111

PinPoint

1.251

1.275

 

0.00

 

1.002

86.4

0.408

RBD

1.313

1.258

 

0.00

 

6.648

97.9

0.307

  1. *FF = flattening filter, or foil, in case of FFF beam