C. Lara
Heidelberg University
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Publication
Featured researches published by C. Lara.
ieee-npss real-time conference | 2010
S. Gorbunov; K. Aamodt; T. Alt; H. Appelshäuser; A. Arend; Bruce Becker; S. Böttger; T. Breitner; H. Büsching; S. Chattopadhyay; J. Cleymans; I. Das; Øystein Djuvsland; H. Erdal; R. Fearick; Ø. Haaland; P. T. Hille; S. Kalcher; K. Kanaki; U. Kebschull; I. Kisel; M. Kretz; C. Lara; S. Lindal; V. Lindenstruth; A. A. Masoodi; G. Øvrebekk; R. Panse; J. Peschek; M. Ploskon
The on-line event reconstruction in ALICE is performed by the High Level Trigger, which should process up to 2000 events per second in proton-proton collisions and up to 200 central events per second in heavy-ion collisions, corresponding to an input data stream of 30 GB/s.
ieee-npss real-time conference | 2010
M. Richter; K. Aamodt; T. Alt; H. Appelshäuser; A. Arend; Bruce Becker; S. Böttger; T. Breitner; H. Büsching; C. Cicalo; S. Chattopadhyay; J. Cleymans; I. Das; Øystein Djuvsland; H. Erdal; R. Fearick; S. Gorbunov; Ø. Haaland; P. T. Hille; S. Kalcher; K. Kanaki; U. Kebschull; I. Kisel; M. Kretz; C. Lara; S. Lindal; V. Lindenstruth; A. A. Masoodi; G. Øvrebekk; R. Panse
The ALICE High Level Trigger comprises a large computing cluster, dedicated interfaces and software applications. It allows on-line event reconstruction of the full data stream of the ALICE experiment at up to 25 GByte/s. The commissioning campaign has passed an important phase since the startup of the Large Hadron Collider in November 2009. The system has been transferred into continuous operation with focus on the event reconstruction and first simple trigger applications. The paper reports for the first time on the achieved event reconstruction performance in the ALICE central barrel region.
Journal of Physics: Conference Series | 2008
S. Bablok; Ø. Djuvsland; K. Kanaki; J. Nystrand; M. Richter; D. Rohrich; K. Ullaland; G. Øvrebekk; D. T. Larsen; J. Alme; T. Alt; V. Lindenstruth; T. Steinbeck; J. Thäder; U. Kebschull; S. Böttger; S. Kalcher; C. Lara; R. Panse; H. Appelshäuser; M. Ploskon; H. Helstrup; K. F. Hetland; Ø Haaland; K. Røed; T Thingnæs; K. Aamodt; P. T. Hille; G. Løvhøiden; Bernhard Skaali
The ALICE High Level Trigger (HLT) is designed to perform event analysis of heavy ion and proton-proton collisions as well as calibration calculations online. A large PC farm, currently under installation, enables analysis algorithms to process these computationally intensive tasks. The HLT receives event data from all major detectors in ALICE. Interfaces to the various other systems provide the analysis software with required additional information. Processed results are sent back to the corresponding systems. To allow online performance monitoring of the detectors an interface for visualizing these results has been developed.
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