1. LAV Software Status Emanuele Leonardi – Tommaso Spadaro Photon Veto WG meeting – 2015/03/24

2. MonteCarlo 24/03/2015E.Leonardi T.Spadaro - LAV SW Status2

3. Blocks positions updated to «as-built» technical design Adjusted radial positions (tangent to front face of block ) A1-A5532 mm→536.5 mm A6-A8772 mm→ 767.5 mm A9-A11972 mm→ 980 mm A12 1072 mm→ 1070 mm Adjusted reference ϕ˳ (center of banana 0 at layer 0) A1-A599°→98.86° A6-A899°→92.28° A9-A1199°→92.25° (A10: 104.25°, ½ banana shift) A1299°→91.125°(experimental from Tommaso) N.B. A12 technical drawings have ϕ˳ at 90.5625° 24/03/2015E.Leonardi T.Spadaro - LAV SW Status3

4. Fixed A12 position along Z Due to an obsolete assignment of Responsibility Regions between A12 and CHOD, A12 blocks were shifted forward in Z by 5 cm. Removed A12 fictitious steel vessel A12 blocks are now in air (were in vacuum) Updated Beam pipe design Space allocated only in A12 Use air outside Beam pipe (was vacuum) 24/03/2015E.Leonardi T.Spadaro - LAV SW Status4

5. Added aluminum structure to A6-A8 bananas Need final design of aluminum structure for A9-A11 A12 has a totally different aluminum structure which will require some changes to the code Minor overlaps/protrusions in A6-A8 logical volumes Front face of block 3 out of banana’s ϕ range by ~0.8mm Due to non-pointing block geometry Will be fixed with a small ϕ rotation of the banana’s mother volume (NOT of the block!) Back face of blocks overlaps by a few μm to aluminum support Due to 100μm-level approximations in aluminum slab technical drawings Need to add small tolerances in block positioning (already done for A1-A5) 24/03/2015E.Leonardi T.Spadaro - LAV SW Status5

6. Next steps Fix overlaps/protrusions Add A9-A11 banana support structure Add A12 special aluminum support structure Add Blue Tube in LAV Responsibility Regions Asked to do it in a general way so that other detectors can use it Add flanges in the Vessel-Blue Tube junctions Add wires and grid in the front area of each vessel Not trivial as the number of cables varies with ϕ Use an homogeneous average material with variable density? 24/03/2015E.Leonardi T.Spadaro - LAV SW Status6

7. DataBase 24/03/2015E.Leonardi T.Spadaro - LAV SW Status7

8. DB software used in the 2013 note (NA62-13-05) is obsolete Lot of work to: Get access to DB Understand the inner working Working version produced by Bob Velghe last week Not a real DB as the SQL interface is hidden from the user It canIt can not Store information in various formats (user-defined data structures) Use structured SQL queries (can only select on validity time) Keep track of validity time Store multiple instances of the same object with the same validity time 24/03/2015E.Leonardi T.Spadaro - LAV SW Status8

9. How we plan to use the db Given the available interface, we will: – read in memory the entire DB information needed for a specific task (MC generation, Reconstruction, Analysis) and for the current time – provide the information wanted using software methods to simulate a relational db behavior 24/03/2015E.Leonardi T.Spadaro - LAV SW Status9

10. Proposed LAV DB subsystems: LAV (1 instance): – MC names of the sensitive volume and hit collection LAVStationGeometry (12 instances): – parameters defining the station geometry LAVBlockType (9 instances): – parameters for the geometry of OPAL blocks LAVBananaType (4 instances): – parameters for the geometry of banana support structures LAVResponsibilityRegionGeometry (5 instances): – parameters defining the responsibility region geometry A12BeamPipeGeometry (1 instance): – beam pipe for LAV12 24/03/2015E.Leonardi T.Spadaro - LAV SW Status10

11. Proposed LAV db subsystems (cont): LAVStationConfiguration (12 instances): – set/readout threshold – HV – electronic channel configuration/status LAVStationCalibration (12 instances): – Global time zero – Block time zero 24/03/2015E.Leonardi T.Spadaro - LAV SW Status11

12. Example LAVStationGeometry (12 instances): – Attribute: DBID, UID – Attribute: Name, String – Attribute: fLAV_Station_NRings, Count – Attribute: fLAV_Station_NBananasPerRing, Count – Attribute: fLAV_TypeOfCrystal, VecType – Attribute: fLAV_Station_BananaType, Type – Attribute: fLAV_Station_ResponsibilityRegion, Count – Attribute: fLAV_Station_ZofFrontFace, Length – Attribute: fLAV_Station_ZofBackFace, Length – Attribute: fLAV_Station_InnerRadius, Length – Attribute: fLAV_Station_OuterRadius, Length – Attribute: fLAV_Vessel_OuterRadius, Length – Attribute: fLAV_Vessel_InnerRadius, Length – Attribute: fLAV_Vessel_Thickness, Length – Attribute: fLAV_Station_FirstRingZPos, Length – Attribute: fLAV_Station_RingGap, Length – Attribute: fLAV_Station_PhiReference, Angle – Attribute: fLAV_Station_PhiRotationBetweenLayers, Angle – Attribute: fWrapFrontHole, Length – Attribute: fWrapThick, Length – Attribute: fAirThick, Length – Attribute: fGlueThick, Length Pointer list to block types in each position in the station (points to LAVBlockType entries) Pointer to banana structure type used in the station (points to a LAVBananaType entry) Dependencies above must be resolved in software after reading the full tables in memory 24/03/2015E.Leonardi T.Spadaro - LAV SW Status12

13. Reconstruction 24/03/2015E.Leonardi T.Spadaro - LAV SW Status13

14. Time reconstruction now includes: T0 subtraction (offset for each station + offset for each block) Slewing correction (assuming nominal signal shape) Residual slewing correction (parameters from datafile input) T0 files for various runs produced: 1371 (7/15 mV threshold) 1373 (5/15 mV threshold) 1406 (5.5/15 mV threshold) 1348 (7/15 mV, 3 spectrometer chambers) 1520 (7/15 mV, 4 spectrometer chambers, minimum bias) A T0 file is produced for MC events, too 24/03/2015E.Leonardi T.Spadaro - LAV SW Status14

15. Reconstruction SW update: 2 independent clustering algorithms, grouping adjacent blocks grouping blocks close in time and in azimuthal angle (a.k.a. tracking) Cluster information updated: Centroid position Centroid position, average weighted mean using charge deposited Centroid time, average weighted mean using charge deposited Total charge Error matrix for x,y,z coordinates of the cluster centroid Doxygen documentation written To do: Commit Produce list of “good” burst for each run 24/03/2015E.Leonardi T.Spadaro - LAV SW Status15