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IMB-CNM Talks 
Friday, 23 March 2018, 11:30
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New 50μm thin LGAD for Tracking and Timing Applications - Mar Carulla

The recent development and the promising performance of a new silicon detector known as Low Gain Avalanche Detector (LGAD) has increased the interest on these devices at the High Energy Physic community [1]. LGAD detectors improve the particle arrival time of the usual silicon arrays exhibiting good spatial and timing resolutions. Devices as Silicon Photo-Multipliers (SiPM) and Avalanche Photo Diodes (APD) have a higher gain than the LGAD detector but they cannot be segmented without spoiling the timing measurement. The improvement of timing resolution on tracking detectors allows collecting only the data of time-compatible events and rejecting those events that cannot be associated to a track due to an excessive time difference. Therefore, more data can be taken and pile-up effect is avoided, making LGADs good candidates for the upgrade of the HGTD [2], ATLAS Forward Proton detector (AFP) [3,4], Endcap Timing Layer [5], and CMS-Totem Proton Precision Spectroscopy detector (CT-PPS) projects [6,7]. Some LGAD prototypes for the CT-PPS project were installed and are already working [8]. The optimization of the LGAD structures for the HGTD and CT-PPS experiment and their experimental performances will be presented.

Location Sala de Actos Pepe Millán, IMB-CNM
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