2,027 research outputs found

    Validation of the CMS Magnetic Field Map

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    The Compact Muon Solenoid (CMS) is a general purpose detector, designed to run at the highest luminosity at the CERN Large Hadron Collider (LHC). Its distinctive features include a 4 T superconducting solenoid with 6-m-diameter by 12.5-m-length free bore, enclosed inside a 10,000-ton return yoke made of construction steel. The return yoke consists of five dodecagonal three-layered barrel wheels and four end-cap disks at each end comprised of steel blocks up to 620 mm thick, which serve as the absorber plates of the muon detection system. To measure the field in and around the steel, a system of 22 flux loops and 82 3-D Hall sensors is installed on the return yoke blocks. A TOSCA 3-D model of the CMS magnet is developed to describe the magnetic field everywhere outside the tracking volume measured with the field-mapping machine. The magnetic field description is compared with the measurements and discussed.Comment: 7 pages, 5 figures, presented at 4th International Conference on Superconductivity and Magnetism 2014, April 27 - May 2, 2014, Antalya, Turkey. arXiv admin note: substantial text overlap with arXiv:1605.08778; text overlap with arXiv:1212.165

    A New Journal: Contents, Methods, Perspectives

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    This is the inaugural issue of History of Classical Scholarship (HCS), a new online Open Access journal entirely devoted to the study of the scholarship on the Greek and Roman world. The history of classical scholarship is a thriving field, which has a complex and lively background, and has gained further momentum in the last few decades. Its subject matter is technically demanding, formidably diverse, inspiring and unsettling, infuriating and humbling. As we enter the third decade of the twenty-first century, it appears to us to be especially topical in at least three respects: its contents, its methods, and its perspectives. Knowing the history of the scholarly debates on a specific problem remains the most effective way of coming to grips with its intellectual potential and historiographical significance. Understanding the genesis and development of the academic disciplines related to the study of the ancient world is essential if one is to grasp the structural rules of current research and to assess its credibility and traction

    EpiSearch. Identifying Ancient Inscriptions in Epigraphic Manuscripts

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    Epigraphic documents are an essential source of evidence for our knowledge of the ancient world. Nonetheless, a significant number of inscriptions have not been preserved in their material form. In fact, their texts can only be recovered thanks to handwritten materials and, in particular, the so-called epigraphic manuscripts. EpiSearch is a pilot project that explores the application of digital technologies deployed to retrieve the epigraphic evidence found in these sources. The application of Handwritten Text Recognition (HTR) to epigraphic manuscripts is a challenging task, given the nature and graphic layout of these documents. Yet, our research shows that, even with some limits, HTR technologies can be used successfully
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