Wuppertal 2015 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 35: Halbleiter: F&E 2
T 35.3: Vortrag
Montag, 9. März 2015, 17:20–17:35, K.12.16 (K4)
Petalet prototype for the ATLAS silicon strip detector upgrade — Dennis Sperlich3, Ingrid-Maria Gregor1, Ingo Bloch1, John Stakely Keller1, Kristin Lohwasser1, Louise Poley1, Marc Manuel Hauser2, •Nataliia Zakharchuk1, Riccardo Mori2, Sergio Diez Cornell1, Susanne Kuehl2, and Ulrich Parzefall2 — 1DESY, Germany — 2Albert-Ludwigs Universität Freiburg, Germany — 3Humboldt-Universität zu Berlin, Germany
To achieve more precise measurements and to search new physics phenomena, the luminosity at the LHC is expected to be increased during a series of upgrades in the next years. The latest scheduled upgrade, called the High Luminosity LHC (HL-LHC) is proposed to provide instantaneous luminosity of 5×1034cm2s−1. The increased luminosity and the radiation damage will affect the current Inner Tracker. In order to cope with the higher radiation dose and occupancy, the ATLAS experiment plans to replace the current Inner Detector with a new all-silicon tracker consisting of ∼8 m2 pixel and ∼192 m2 strip detectors. In response to the needs, highly modular structures will be used for the strip system, called Staves for the barrel region and Petals for the end-caps region. A small-scaled prototype for the Petal, the Petalet, is built to study some specialties of this complex wedge-shaped structures. The Petalet consists of one large and two small sized sensors. This report will focus on the recent progress in the prototyping of the Petalet and their electrical performances.