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Published November 21, 2013 | Submitted
Journal Article Open

The BABAR detector: Upgrades, operation and performance


The BaBar detector operated successfully at the PEP-II asymmetric e^+e^− collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the detector systems, as well as the trigger, online and offline computing, and aspects of event reconstruction since the beginning of data taking.

Additional Information

© 2013 Elsevier B.V. All rights reserved. Received 14 May 2013 Accepted 17 May 2013. Available online 22 June 2013. The authors are grateful for the tremendous support they have received from their home institutions over the almost 10 years of BaBar and PEP-II operation. The excellent performance of PEP-II, the data taking, the data processing and the data analysis would not have been possible without the extraordinary expertise, dedication and collaboration of the supporting staff at SLAC and other BaBar institutions, as well as at participating computing centers. The collaborating institutions wish to thank SLAC for the kind hospitality extended to them. Members of the International Finance Committee should be commended for their continued assistance in securing resources for the operation and upgrades of the experiment. This work has been supported by the US Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat à l'Energie Atomique and Institut National de Physique Nucléaire et de Physique des Particules (France), the Bundesministerium für Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Economía y Competitividad (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union) and the A.P. Sloan Foundation (USA).

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