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Incline TracksTheo Alexopoulos, George Iakovidis, Venetios Polychronakos

12/10/2010

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• How well can we measure the incline tracks?

• How many micromegas planes do we need to achieve 1 mrad resolution?

Use a toy Monte Carlo to study these questions. Parameters of the problem:•Number of mm planes, N•Distance between planes, L •Singe hit resolution, Δx•Angle of incline tracks, θ

L

L

θN=1

N=2

N=3

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Ν = 2L = 10 mmθ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν = 2L = 100 mmθ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν = 3L = 10 mmθ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν = 3L = 100 mmθ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

7N=1

Ν=2, L=10mm

Ν=3, L=10mm

Ν=2, L=100mm

Ν=3, L=100mm

θ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν=2, L=10mm

Ν=3, L=10mm

Ν=2, L=100mm

Ν=3, L=100mm

θ = 30ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν=2, L=10mm

Ν=3, L=10mm

Ν=2, L=100mm

Ν=3, L=100mm

θ = 70ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν=2

Ν=3

θ = 50ο

smear = 0.500 mmΔxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν=2

Ν=3

θ = 50ο

smear = 1.000 mmΔxoffset = 0.100 mmΔyoffset = 0.100 mm

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Ν=2

Ν=3, L=100mm

θ = 50ο

smear = 0.500 mmΔyoffset = 0.100 mm

Ν=2, L=100mm

Ν=3, L=10mm

Ν=2, L=10mm

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Ν = 1θ = 50ο

Δxoffset = 0.100 mmΔyoffset = 0.100 mm

N=1