An Event Building scenario in the trigger-less PANDA experiment

The PANDA experiment will be running up to 2 × 107 antiproton-proton collisions per second at energies reaching 15 GeV. The lack of simple features distinguishing the interesting events from background, as well as strong pileup of events' data streams make the use of a hardware trigger impossib...

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Vydáno v:Journal of physics. Conference series Ročník 513; číslo 1; s. 12016 - 4
Hlavní autor: Karabowicz, Radoslaw
Médium: Journal Article
Jazyk:angličtina
Vydáno: Bristol IOP Publishing 01.01.2014
Témata:
Algorithms
Antiparticles
Antiprotons
Building components
Buildings
Construction
Data transmission
Hardware
Physics
Running
Tracking
ISSN:1742-6596, 1742-6588, 1742-6596
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Shrnutí:The PANDA experiment will be running up to 2 × 107 antiproton-proton collisions per second at energies reaching 15 GeV. The lack of simple features distinguishing the interesting events from background, as well as strong pileup of events' data streams make the use of a hardware trigger impossible. As a consequence the whole data stream of about 300 GB/s has to be analyzed online, i.e: tracking, vertex finding, particle identification and event building. The GEM Tracker covers polar angles from 4 to 20 degrees in the forward direction, and can be used for the event building in a large fraction of events. In this work the analysis chain and the implemented algorithms will be presented. Moreover, the event builder prototype based on GEM Tracker data will be presented.
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ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/513/1/012016