Skip to content

[ALICE3] Updated ALICE 3 IRIS coldplate in O2 geometry #15198

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
njacazio merged 3 commits into from
Mar 20, 2026
+3 −3
Merged

[ALICE3] Updated ALICE 3 IRIS coldplate in O2 geometry #15198

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
1b0a5c6
Updated ALICE 3 IRIS coldplate in O2 geometry
Mar 20, 2026
256845c
Please consider the following formatting changes
alibuild Mar 20, 2026
38811c1
Merge pull request #4 from alibuild/alibot-cleanup-15198
fcolamar Mar 20, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion Detectors/Upgrades/ALICE3/TRK/simulation/src/TRKServices.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,7 @@ void TRKServices::createMaterials()
matmgr.Material("ALICE3_TRKSERVICES", 73, "BERYLLIUM", 9.01, 4., 1.848, 35.3, 36.7); // Beryllium - Candidate for IRIS vacuum vessel
matmgr.Mixture("ALICE3_TRKSERVICES", 74, "ALUMINIUM5083", aAl5083, zAl5083, dAl5083, 9, wAl5083); // AL5083 - Candidate for IRIS vacuum vessel
matmgr.Mixture("ALICE3_TRKSERVICES", 75, "ALUMINIUMBERYLLIUMMETAL", aAlBeMet, zAlBeMet, dAlBeMet, 2, wAlBeMet); // Aluminium-Beryllium metal - Candidate for IRIS vacuum vessel
matmgr.Material("ALICE3_TRKSERVICES", 76, "CARBONFIBERM55J6K", 12.0107, 6, 1.92, 999, 999); // Carbon Fiber M55J
matmgr.Material("ALICE3_TRKSERVICES", 76, "CARBONFIBERM55J6K", 12.0107, 6, 1.92, 22.4, 999); // Carbon Fiber M55J
matmgr.Mixture("ALICE3_PIPE", 77, "VACUUM", aAir, zAir, dAir1, 4, wAir);

matmgr.Medium("ALICE3_TRKSERVICES", 1, "CERAMIC", 66, 0, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin); // Ceramic for cold plate
Expand Down
4 changes: 2 additions & 2 deletions Detectors/Upgrades/ALICE3/TRK/simulation/src/VDGeometryBuilder.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -272,8 +272,8 @@ static constexpr double kInclinedWallPhi0_deg = 27.799f;
static constexpr double kInclinedWallRmax_cm = 4.75f; // 47.5 mm outer extension

// Coldplate specs (cm)
static constexpr double kColdplateRadius_cm = 2.6f; // 26 mm (outer radius)
static constexpr double kColdplateThickness_cm = 0.15f; // 1.5 mm
static constexpr double kColdplateRadius_cm = 2.6f; // 26 mm (inner radius)
static constexpr double kColdplateThickness_cm = 0.02f; // 1.5 mm
static constexpr double kColdplateZ_cm = 50.0f; // full length

// ========== φ-span helpers (gap/arc → degrees) ==========
Expand Down
Loading