TY - JOUR AU - Poley, L. et al AU - Lacasta, C. PY - 2017 DA - 2017// TI - Investigations into the impact of locally modified sensor architectures on the detection efficiency of silicon micro-strip sensors T2 - J. Instrum. JO - Journal of Instrumentation SP - P07006 - 17pp VL - 12 PB - Iop Publishing Ltd KW - Si microstrip and pad detectors KW - Inspection with x-rays KW - Hybrid detectors KW - Instrumentation for particle accelerators and storage rings – high energy (linear accelerators KW - synchrotrons) AB - The High Luminosity Upgrade of the LHC will require the replacement of the Inner Detector of ATLAS with the Inner Tracker (ITk) in order to cope with higher radiation levels and higher track densities. Prototype silicon strip detector modules are currently developed and their performance is studied in both particle test beams and X-ray beams. In previous test beam measurements of prototype modules, the response of silicon sensors has been studied in detailed scans across individual sensor strips. These scans found instances of sensor strips collecting charge across areas on the sensor deviating from the geometrical width of a sensor strip. The variations have been linked to local features of the sensor architecture. This paper presents results of detailed sensor measurements in both X-ray and particle beams investigating the impact of sensor features (metal pads and p-stops) on the sensor strip response. SN - 1748-0221 UR - http://arxiv.org/abs/1611.06114 UR - https://doi.org/10.1088/1748-0221/12/07/P07006 DO - 10.1088/1748-0221/12/07/P07006 LA - English N1 - WOS:000406392600006 ID - Poley+Lacasta2017 ER -