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The Belle II silicon vertex detector: Assembly and initial results
Thalmeier, R.,Casarosa, G.,Schwanda, C.,Aihara, H.,Aziz, T.,Bacher, S.,Bahinipati, S.,Barberio, E.,Baroncelli, Ti.,Baroncelli, To.,Basith, A.K.,Batignani, G.,Bauer, A.,Behera, P.K.,Bertacchi, V.,Betta Elsevier 2019 Nuclear Instruments & Methods in Physics Research. Vol.936 No.-
<P><B>Abstract</B></P> <P>The “chip-on-sensor” concept of this detector minimizes the distance of the signal propagation from the double-sided silicon detector strips to the readout chips and thus reduces noise from strip capacitance. One half of the detector is built, the second half is being assembled at the time of writing. Prototypes have been tested in several test beams as well as in the so-called Phase 2 setup inside the detector structure. First results from a commissioning run of the Belle-II prototype SVD detector are presented. The measured signal-to-noise and timing performance are found to be according to design specifications.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The Belle-II Silicon Vertex Detector is based on a “chip-on-sensor” concept. </LI> <LI> One half of the detector is built, the second half is being assembled. </LI> <LI> Prototypes have been tested in a commissioning run inside the detector structure. </LI> <LI> The measured SNR and hit time are found to be according to design specifications. </LI> </UL> </P>