Gauss Upgrade Recipies

This page will be updated as the Gauss versions evolve.

Setting up Gauss Enviornment

Setup Gauss Enviornment

Setting up Beam Configuration

Setup Beam Configuration for Gauss

Detector Geometry options for Upgrade

As of Sept 2012 one can use the following options. Some examples of using these options are listed below for Gauss v42r2 onwards.

Location OriginalSorted descending Upgrade
Magnet True "Magnet"
Velo "Velo", "PuVeto" "VP" XOR "VL"
TT "TT" "UT"
Calorimeters "Spd", "Prs", "Ecal", "Hcal" "Spd", "Prs", "Ecal", "Hcal"
Riches "Rich1", "Rich2" "Rich1Pmt", "Rich2Pmt"
Muon "Muon" "Muon"
Tracking "IT", "OT" "FT"

Vertex Detector (Velo)

Current Velo ---- 'PuVeto', 'Velo'
Velo Lite ---- 'VL'
Velo Pixel ---- 'VP'

RICH

Two RICHs with PMTs --- 'Rich1Pmt' , 'Rich2Pmt'

Upstream Tracking System besides Velo

Current TT ----- 'TT'
Upstream Tracker ----- 'UT'

Downstream Tracking System

Current IT+OT ----- 'IT', 'OT'
Fibre Tracker ------ 'FT'

Calorimeter System

Current Calorimeter -----'Spd', 'Prs', 'Ecal', 'Hcal'

Muon System

Current Muon ----- 'Muon'

Examples of activating different geometry options for Upgrade

Examples of Gauss Options for Detector Geometry

Known Error Messages

TORCH

The TORCH geometry has not been defined, however some code expects parts of the structure to be accessible. This results in the following non-fatal error:

TorchTBMcpProperties      ERROR Can't retrieve  /dd/Structure/LHCb/AfterMagnetRegion/TorchTBMasterDet for anode param

Aerogel

The Aerogel blocks have been removed from the detector description, however some of the Gauss code still expects those specific logical volumes to be present. This results in the appearance of 16 non-fatal error messages, one for each block. The error messages are of the following format:

GiGa.GiGaMgr.GiGaRegi...  ERROR GiGaRegionsTool::  process('Rich1AerogelRegion'): G4LogicalVolume* '/dd/Geometry/!BeforeMagnetRegion/Rich1/lvRich1AerogelT0' points to NULL, skip it   StatusCode=FAILURE
To avoid seeing these messages printed, a temporary solution is to comment out all the lines in the file ../Sim/Gauss/xml/Rich1AerogelRegionDefinition.xml.

-- SajanEaso - 29-Sep-2012

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Topic revision: r7 - 2012-10-05 - PaulSzczypka
 
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