Title :
Trigger-less readout electronics for the PANDA Electromagnetic Calorimeter
Author :
Kavatsyuk, M. ; Hevinga, M. ; Konorov, I. ; Lemmens, P.J.J. ; Marciniewski, P. ; Schakel, P. ; Schreuder, F. ; Speelman, R. ; Tambave, G. ; Johansson, T. ; Löhner, H.
Author_Institution :
KVI, Univ. of Groningen, Groningen, Netherlands
Abstract :
The PANDA experiment at the future FAIR facility at Darmstadt, Germany, will employ a novel electronics-readout concept: the trigger-less readout. This concept implies an event selection based on the physics properties of detected particles, such as reconstructed invariant mass or a detected secondary vertex. Such an approach requires a completely new design of the readout chain from the front-end to the data acquisition. This paper describes a fully-functional prototype of the readout chain for one of the PANDA subdetectors - the Electromagnetic Calorimeter. The prototype consists of digitizer and data-multiplexer modules. The crucial component of the prototype is the synchronous optical-link connection, which allows to transfer clock signal and time-synchronisation commands in an unambiguous way. The implementation and performance tests of the synchronous optical-link connection are described in the paper.
Keywords :
analogue-digital conversion; data acquisition; multiplexing equipment; nuclear electronics; particle calorimetry; readout electronics; synchronisation; FAIR facility; PANDA electromagnetic calorimeter; PANDA experiment; PANDA subdetector; clock signal; data acquisition; data-multiplexer module; detected secondary vertex; digitizer module; readout chain; reconstructed invariant mass; synchronous optical-link connection; time-synchronisation; triggerless readout electronics; Buildings; Clocks; Collaboration; Electromagnetic compatibility; Encoding; Prototypes;
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE
Conference_Location :
Valencia
Print_ISBN :
978-1-4673-0118-3
DOI :
10.1109/NSSMIC.2011.6154360
