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TKR hits and PSF analysis
A1 events
VtxNumVertices==1 && Tkr1LastLayer == 0 && Tkr2LastLayer == 0 && Tkr1FirstLayer >1 && Tkr2FirstLayer > 1 && (VtxStatus&0x0002)>0 && CalCsIRLn>6
A21 events
Tkr1LastLayer == 0 && Tkr1FirstLayer > 1 && (VtxStatus&0x0001)>0 && CalCsIRLn>6
Nicola's Cuts:
A.1.1 events
VtxNumVertices==1 && TkrNumTracks == 2 && Tkr1LastLayer == 0 && Tkr2LastLayer == 0 && Tkr1FirstLayer >1 && Tkr2FirstLayer > 1 && (VtxStatus&0x0002)>0 && CalCsIRLn>6
A.2.1 events
VtxNumVertices==1 && TkrNumTracks == 1 && Tkr1LastLayer == 0 && Tkr1FirstLayer > 1 && (VtxStatus&0x0001)>0 && CalCsIRLn>6
Neutral vertex issue for A.1 class:
Do not use "VtxNumVertices", "(VtxStatus&0x0002)>0 && TkrNumTracks==2" give the same result.
Notice that the Neutral Vertex bit (0x8) of "VtxStatus" is ALWAYS 0 because it refers ti the best vertex which is never the neutral one.