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Advanced Analysis of Detector Plane Position in HES Simulation for Resolution Studies

This document discusses the findings from the HES simulation conducted in May 2007, focusing on the resolution characteristics influenced by the detector plane's positioning relative to the electron detector (ED). The study evaluates differences in resolutions between rotated and non-rotated detector planes using 6th order matrix corrections. Unique events observed using the tilt method are highlighted, along with potential issues related to positional resolution in the off-detecting planes. Recommendations for future studies incorporate the use of Geant4 for enhanced precision in positioning the detection systems.

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Advanced Analysis of Detector Plane Position in HES Simulation for Resolution Studies

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  1. HES Simulation LogMay. ‘07 Part1

  2. Resolution Scan Same EQ1, EQ2 strength dp/p in s (*10-4) 10th Matrix

  3. Some strange shape on Q1 cut w/ abs(YFP)<1cm

  4. YQ1i vs Ypt cut this part Unique event in “tilt method” Should be checked using TOSCA

  5. Matrix Improved! Using 6th order matrix s=0.68*10-4

  6. About Detector Plane • There are no difference in resolution between rotated Detector Plane (hardware Spectrometer) and non-rotated Detector Plane (software spectrometer) Apply non-rotated Detector Plane EDC D.P • Outside Detector Plane has very bad pos. resolution (even in the case of no M.S.) EDC • Detector Plane(=EDC) should be placed as far from ED as possible

  7. EDC Position Study 1

  8. EDC Position Study 2 Install EDC in Geant4 1m from ED, Detector Plane is also 1m Position resolution in each plane is 300mm mm

  9. EDC Position Study 3 ??? Bug?

  10. Next • HES Resolution Study w/ EDC, Detector Plane Position • Strange shape study in Q1y vs y’t • TOSCA map study

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