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corrected positions of volumes in RB24 after recent Cave updates #14746

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Merged
sawenzel merged 1 commit into from
Oct 20, 2025
+3 −3
Merged

corrected positions of volumes in RB24 after recent Cave updates #14746

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2 changes: 1 addition & 1 deletion Detectors/FIT/FDD/base/src/Geometry.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,7 @@ void Geometry::buildGeometry()
if (!vCaveRB24) {
LOG(fatal) << "Could not find the top volume for A-side";
}
const Float_t kPosFDA = 1696.67 - 1313.347; // z-center of assembly (cm)
const Float_t kPosFDA = 1696.67 - 1313.347 - 75.; // z-center of assembly (cm)
vCaveRB24->AddNode(vFDAarray, 1, new TGeoTranslation(0., 0., kPosFDA - kFDACelldz / 2. - 0.1));
vCaveRB24->AddNode(vFDAarray, 2, new TGeoTranslation(0., 0., kPosFDA + kFDACelldz / 2. + 0.1));

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2 changes: 1 addition & 1 deletion Detectors/Passive/src/Compensator.cxx
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Expand Up @@ -110,7 +110,7 @@ void Compensator::ConstructGeometry()
void Compensator::createCompensator()
{
auto top = gGeoManager->GetVolume("caveRB24");
top->AddNode(createMagnetYoke(), 1, new TGeoTranslation(0., 0., 1075. - 1313.347));
top->AddNode(createMagnetYoke(), 1, new TGeoTranslation(0., 0., 1000. - 1313.347));
}

TGeoVolume* Compensator::createMagnetYoke()
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2 changes: 1 addition & 1 deletion Detectors/ZDC/simulation/src/Detector.cxx
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Expand Up @@ -2355,7 +2355,7 @@ void Detector::createDetectors()

// --- Positioning the ZEM into the ZDC - rotation for 90 degrees
// NB -> ZEM is positioned in cave volume
const float z0 = 1313.3475; // center of caveRB24 mother volume
const float z0 = 1313.3475 + 75.; // center of caveRB24 mother volume
TVirtualMC::GetMC()->Gspos("ZEM ", 1, "caveRB24", -Geometry::ZEMPOSITION[0], Geometry::ZEMPOSITION[1], Geometry::ZEMPOSITION[2] + Geometry::ZEMDIMENSION[0] - z0, irotzem1, "ONLY");

// Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
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