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- Aamodt, K., et al.
(författare)
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Alignment of the ALICE Inner Tracking System with cosmic-ray tracks
- 2010
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Ingår i: Journal of Instrumentation. - 1748-0221. ; 5
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Konferensbidrag (refereegranskat)abstract
- ALICE (A Large Ion Collider Experiment) is the LHC (Large Hadron Collider) experiment devoted to investigating the strongly interacting matter created in nucleus-nucleus collisions at the LHC energies. The ALICE ITS, Inner Tracking System, consists of six cylindrical layers of silicon detectors with three different technologies; in the outward direction: two layers of pixel detectors, two layers each of drift, and strip detectors. The number of parameters to be determined in the spatial alignment of the 2198 sensor modules of the ITS is about 13,000. The target alignment precision is well below 10 mu m in some cases (pixels). The sources of alignment information include survey measurements, and the reconstructed tracks from cosmic rays and from proton-proton collisions. The main track-based alignment method uses the Millepede global approach. An iterative local method was developed and used as well. We present the results obtained for the ITS alignment using about 10(5) charged tracks from cosmic rays that have been collected during summer 2008, with the ALICE solenoidal magnet switched off.
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- Campbell, Cory, et al.
(författare)
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Parallel Growth of Children’s Internalizing Behaviors Predicted by Positive Parenting Behaviors
- 2021
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Ingår i: SRCD 2021 Virtual Biennial Meeting.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The global outbreak of COVID-19 has impacted all systems essential to human life and wellbeing (Masten & Motto-Stefanidi, 2020). The complex combination of health and economic stressors together with difficulty accessing protective factors may impact the family system in particular. Families differ in their responses to stressors (Bonanno et al., 2010), and the way in which families adjust to events and transitions related to the pandemic may be related to the distress perceived by children and their long-term wellbeing (Felix et al., 2013).This symposium will examine whether and through which processes families adjust during the global outbreak of COVID-19. We explore 2 research questions: 1)What did families do during the pandemic to maintain resilience? 2)What are the main protective and risk factors within the family context that are related to children’s and adolescents’ adjustment during this stressful and potentially traumatic event?Three strengths characterize the symposium. First, longitudinal designs with pre- and post-onset measurements enabled us to capture the dynamic nature of changes impacted by the COVID-19 outbreak. Second, the global nature of the outbreak is represented in cross-cultural perspective to understand commonalities and specificities of the processes activated by the event in different countries from Europe, North America, and Asia. Finally, mechanisms of resiliency and vulnerability examining the adjustment of the family members are assessed through longitudinal moderation and mediation analyses.
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- Dán, György, et al.
(författare)
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Cloud Computing for the Power Grid : From Service Composition to Assured Clouds
- 2013
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Ingår i: Proceedings of the 5th USENIX Workshop on Hot Topics in Cloud Computing (HotCloud), June 2013<em></em><em></em>. - : USENIX Association.
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Konferensbidrag (refereegranskat)abstract
- The electric power industry is one of the few industries where cloud computing has not yet found much adoption, even though electric power utilities rely heavily on communications and computation to plan, operate and analyze power systems. In this paper we explore the reasons for this phenomenon. We identify a variety of power system applications that could benefit from cloud computing. We then discuss the security requirements of these applications, and explore the design space for providing the security properties through application layer composition and via assured cloud computing. We argue that a combination of these two approaches will be needed to meet diverse application requirements at a cost that can justify the use of cloud computing.
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