8,181 research outputs found

    Study of Neutrino Oscillations in the OPERA Experiment

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    The OPERA experiment has been designed to perform the first detection of neutrino oscillations in direct appearance mode in the νμ→ντ\nu_{\mu}\to\nu_{\tau} channel, through the detection of the tau lepton produced in charged current interaction on an event by event basis. The detector is hybrid, being made of an emulsion/lead target and of electronic detectors. It exploited the CNGS muon neutrino beam from CERN to Gran Sasso, 730 km from the source. Runs with CNGS neutrinos were successfully carried out from 2008 to 2012. We report on the large data sample analysed so far and give our results on the search for νμ→ντ\nu_{\mu}\to\nu_{\tau} and νμ→νe\nu_{\mu}\to\nu_{e} oscillations.Comment: Prensented at the Lake Louise Winter 2013 Conference, Banff, Alberta, Canada, 17-23 February 201

    Competition Law and Policy in Mexico: Successes and Challenges

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    Emergence, Function and Realization

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    “Realization” and “emergence” are two concepts that are sometimes used to describe same or similar phenomena in philosophy of mind and the special sciences, where such phenomena involve the synchronic dependence of some higher-level states of affairs on the lower-level ones. According to a popular line of thought, higher-level properties that are invoked in the special sciences are realized by, and/or emergent from, lower-level, broadly physical, properties. So, these two concepts are taken to refer to relations between properties from different levels where the lower-level ones somehow “bring about” the higher-level ones. However, for those who specialise in inter-level relations, there are important differences between these two concepts – especially if emergence is understood as strong emergence. The purpose of this chapter is to highlight these differences
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