diff --git a/src/ffi_ZDC_HCAL.cpp b/src/ffi_ZDC_HCAL.cpp index 336d2124c91588d6f1a2be2fe40778ff52d7f4d9..048d786fc30eb96c91d6c732152b335cc094d96a 100644 --- a/src/ffi_ZDC_HCAL.cpp +++ b/src/ffi_ZDC_HCAL.cpp @@ -36,7 +36,7 @@ static Ref_t createDetector(Detector& lcdd, xml_h e, SensitiveDetector sens) { int layer_num = 1; int slice_num = 1; double totWidth = Layering(x_det).totalThickness(); - Box envelope (pixel_x/2.0, pixel_y/2.0,totWidth); + Box envelope (pixel_x/2.0, pixel_y/2.0,totWidth/2.0); Volume envelopeVol(det_name+"_envelope",envelope,air); PlacedVolume pv;