Table 1 Systematic uncertainties of the intrinsic resolution listed for biased and unbiased track fits and two geometries at 6 GeV and 2 GeV
\(\sigma_{{\sigma_{\text{int}}}}\)in % | |||||||
|---|---|---|---|---|---|---|---|
Per plane | All planes | \(\sqrt {\sum (x_{i})^{2}}\) | |||||
E | Θ 0 | fit range | rms(p b) | ||||
±5 % | ±3 % | ±1 std. | |||||
6 GeV | 20 mm | biased | \({}^{-0.34}_{+0.21}\) | \({}^{+0.08}_{-0.28}\) | \({}^{+1.76}_{-1.27}\) | 1.57 | 2.6 |
unbiased | \({}^{-0.43}_{+0.71}\) | \({}^{+0.44}_{-0.25}\) | \({}^{-0.93}_{-1.00}\) | 1.23 | 1.8 | ||
150 mm | biased | \({}^{-3.5}_{+2.9}\) | \({}^{+1.95}_{-2.60}\) | \({}^{+6.4}_{-5.4}\) | 1.51 | 7.9 | |
unbiased | \({}^{-4.8}_{+5.4}\) | \({}^{+2.97}_{-4.1}\) | \({}^{-5.3}_{+3.1}\) | 0.75 | 8.7 | ||
2 GeV | 20 mm | biased | \({}^{-1.56}_{+1.13}\) | \({}^{+0.65}_{-1.22}\) | \({}^{+0.23}_{+0.33}\) | 3.1 | 3.7 |
unbiased | \({}^{-1.67}_{+1.21}\) | \({}^{+0.92}_{-1.10}\) | \({}^{-2.15}_{+1.35}\) | 1.94 | 3.1 | ||
150 mm | biased | \({}^{-10.5}_{+15.7}\) | \({}^{+10.2}_{-6.6}\) | \({}^{+8.0}_{+0.82}\) | 0.82 | 20.3 | |
unbiased | \({}^{-17.5}_{+24.9}\) | \({}^{+14.9}_{-15.2}\) | \({}^{-23.9}_{+25.1}\) | 1.03 | 38.5 | ||