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SUMMARY:Promotionsvortrag Physik: Spectrometry\, Eye Lens Dosimetry St
 udies\, and Electron Beam Monitoring with the Dosepix Detector
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 00000010000000162F2A31C90BD443BF85C506E05FD0F2
DESCRIPTION:Ankündigung des Promotionsvortrags von: Herrn Florian Bei
 ßer The performance of the hybrid\, pixelated Dosepix detector is tes
 ted for various applications. The detector consists of 16 x 16 pixels 
 with a pitch of 220 µm and is attached to a 300 µm thick silicon sen
 sor. The performance of a Dosepix-based spectrometer for mixed photon 
 and electron fields is investigated via Monte-Carlo simulations. Howev
 er\, simulated setup fails to match the performance of comparable devi
 ces. Studies of an active eye lens dosemeter prototype based on Dosepi
 x yield promising results in terms of temperature dependence and clini
 cal applicability. In addition\, the expressiveness of the results of 
 the prototype in terms of meaningfully estimating the dose of the eye 
 lens is investigated with and without radiation protection glasses. Fi
 nally\, Dosepix detectors are used in combination with UV-cameras to m
 onitor FLASH-capable electron beams at the ARES electron accelerator. 
 While the Dosepix detectors could estimate the position of the beam wi
 th an accuracy of ≤0.7mm\, the width determination is influenced by 
 large systematic uncertainties up to 60%. Nevertheless\, the introduce
 d reconstruction still requires validation on independent data. A UV-s
 ensitive camera is intended to image the emission of nitrogen fluoresc
 ence light along the beam as it traverses the air. The proof of concep
 t for this method could be shown for the FXE beamline at the European 
 XFEL\, but not for the originally intended ARES beam. (Vortrag auf Eng
 lisch) Dem Vortrag schließt sich eine Diskussion von 15 Minuten an. V
 ortrag und Diskussion sind öffentlich. Diesen Verfahrensteilen folgt 
 ein nicht öffentliches Rigorosum von 45 Minuten.
DTSTART:20260629T110000Z
DTEND:20260629T123000Z
LOCATION:SR 00.061\, ECAP\, Nikolaus-Fiebiger-Str. 2\, Erlangen
DTSTAMP:20260617T225433Z
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