o VXDTF effects due to L3 displacement R. Fr uhwirth, J. - - PowerPoint PPT Presentation

comparisons

• VXDTF effects due to L3 displacement
• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener

Institute of High Energy Physics Austrian Academy of Sciences

December 18, 2015

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 1 HEPHY Wien & BELLE Collaboration

comparisons

new geometry only

momentum [GeV/c]

1 −

10 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Efficiency vs momentum

Efficiency p 0.919SVDr23538L3DisplacementpT438MeV340RMSbetaGamma1007.82wRMS751.86 Efficiency pT 0.922SVDr23538L3DisplacementpT438MeV340RMSbetaGamma1007.82wRMS751.86

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 2 HEPHY Wien & BELLE Collaboration

comparisons

new vs old geometry - deviation in momentum

seed momentum [GeV/c]

1 −

10 1 difference in efficiency 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5

Difference (new/old) in Efficiency of p Difference (new/old) in Efficiency of p

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 3 HEPHY Wien & BELLE Collaboration

comparisons

new vs old geometry - deviation in T momentum

seed transverse momentum [GeV/c]

1 −

10 1 difference in efficiency 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 T

Difference (new/old) in Efficiency of pT Difference (new/old) in Efficiency of p

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 4 HEPHY Wien & BELLE Collaboration

comparisons

new geometry only

[degree] Φ seed angle in 50 100 150 200 250 300 350 efficiency 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Φ Efficiency of

0.919SVDr23538L3DisplacementpT438MeV340RMSbetaGamma1007.82wRMS751.86 φ Efficiency

Φ Efficiency of

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 5 HEPHY Wien & BELLE Collaboration

comparisons

new vs old geometry - deviation in φ

[degree] Φ seed angle in 50 100 150 200 250 300 350 difference in efficiency 0.9 0.92 0.94 0.96 0.98 1 1.02 1.04 1.06 1.08 1.1

Φ Difference (new/old) in Efficiency of Φ Difference (new/old) in Efficiency of

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 6 HEPHY Wien & BELLE Collaboration

comparisons

new geometry only

[degree] θ seed angle in 20 40 60 80 100 120 140 efficiency 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Φ Efficiency of

0.920SVDr23538L3DisplacementpT438MeV340RMSbetaGamma1007.82wRMS751.86 θ Efficiency

Φ Efficiency of

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 7 HEPHY Wien & BELLE Collaboration

comparisons

new vs old geometry - deviation in θ

[degree] θ seed angle in 20 40 60 80 100 120 140 difference in efficiency 0.9 0.92 0.94 0.96 0.98 1 1.02 1.04 1.06 1.08 1.1

θ Difference (new/old) in Efficiency of θ Difference (new/old) in Efficiency of

• R. Fr¨

uhwirth, J. Lettenbichler, T. Madlener 8 HEPHY Wien & BELLE Collaboration