A GHz Full-Division-Range Programmable Divider with Output Duty-Cycle Improved

[[sponsorship]]Test Technology Technical Council (TTTC), IEEE Computer Society ; Faculty of Information Technology, Brno University of Technology[[conferencetype]]國際[[conferencedate]]20130408~20130410[[booktype]]電子版[[iscallforpapers]]Y[[conferencelocation]]Karlovy Vary (Carlsbad), Czech Republi

Measurement of the top quark mass in the lepton+jets channel using the lepton transverse momentum

This Letter reports a measurement of the top quark mass, , in data from collisions at corresponding to 2.7 fb?1 of integrated luminosity at the Fermilab Tevatron using the CDF II detector. Events with the topology are selected. An unbinned likelihood is constructed based on the dependence of the lepton transverse momentum, , on . A maximum likelihood fit to the data yields a measured mass . In this measurement, the contribution by the jet energy scale uncertainty to the systematic error is negligible. The result provides an important consistency test for other measurements where explicit use of the jet energy is made for deriving the top quark mass.We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A.P. Sloan Foundation; the Bundesministerium für Bildung und Forschung, Germany; the Korean World Class University Program, the National Research Foundation of Korea; theScience and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; and the Academy of Finland

Jet production rates in association with W and Z bosons in pp collisions at √s = 7 TeV

Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at √ s = 7 TeV, corresponding to an integrated luminosity of 36 pb−1 . The study includes the measurement of the normalized inclusive rates of jets σ(V+ ≥ n jets)/σ(V), where V represents either a W or a Z. In addition, the ratio of W to Z cross sections and the W charge asymmetry as a function of the number of associated jets are measured. A test of scaling at √ s = 7 TeV is also presented. The measurements provide a stringent test of perturbative-QCD calculations and are sensitive to the possible presence of new physics. The results are in agreement with the predictions of a simulation that uses explicit matrix element calculations for final states with jets.We wish to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes. This work was supported by the Austrian Federal Ministry of Science and Research; the Belgium Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport; the Research Promotion Foundation, Cyprus; the Estonian Academy of Sciences and NICPB; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucléaire et de Physique des Particules / CNRS, and Commissariat à l’Energie Átomique et aux Energies Alternatives / CEA, France; the Bundesministerium für Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Office for Research and Technology, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Korean Ministry of Education, Science and Technology and the World Class University program of NRF, Korea; the Lithuanian Academy of Sciences; the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI); the Ministry of Science and Innovation, New Zealand; the Pakistan Atomic Energy Commission; the State Commission for Scientific Research, Poland; the Fundaçao para a Ciencia e a Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); the Ministry of Science and Technologies of the Russian Federation, the Russian Ministry of Atomic Energy and the Russian Foundation for Basic Research; the Ministry of Science and Technological Development of Serbia; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the National Science Council, Taipei; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the Science and Technology Facilities Council, UK; the US Department of Energy, and the US National Science Foundation. Individuals have received support from the Marie-Curie programme and the European Research Council (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIABelgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); and the Council of Science and Industrial Research, India

Good collaborations: A case study of the Health Information Technology partnership

The Health Information Technology grant was a collaborative partnership between the Cook Inlet Tribal Council (CITC), the University of Alaska Community & Technical College (UAA CTC) and the University of Alaska Southeast (UAS) to establish the infrastructure for a distance-delivered Occupational Endorsement in Health Information Technology. This document describes a case study research project that explored the activities of the collaboration, specifically as they pertain to student services and outcomes. Student eligibility criteria included: Alaska Native, low-income, GED or high school diploma, and a 10th grade TABE test score; many of the student participants exhibited demographic characteristics that placed them at high risk for noncompletion. Ultimately, 10 of 25 (40%) completed the credential, and of these graduates, five are continuing their postsecondary studies for an associate’s or bachelor’s degree. These success rates that exceed national averages for community college students prompted the team to explore the program elements that contributed to student success. A qualitative case study collected interview data from student completers, program staff, and faculty. It also reviewed program documents, and included visits to the physical spaces where the program was delivered. Tangible or material resources that contributed to the program’s success included stipends for student tuition and fees plus hourly compensation for time spent in class; the provision of laptops; adequate technology; staff and services that supported college transitions, social and personal needs, and academic success; a face-to-face kickoff event; and a cohort model. Qualitative aspects of the program that fostered success include staff commitment and positive attitude; clear roles for partners with a distributed workload; alignment of program objectives to each of the partners’ missions; communication; and student perseverance. Program elements that need to be revised, expanded, or improved prior to a second iteration include course sequencing, recruitment, technology, class times, and additional stipends. Opportunities for additional programming include industry involvement, career exploration, options for students who “change majors” or decide that the HIT field is not a good fit for their interests, job seeking and career planning support, additional attention to college readiness and soft skills, and incorporation of Alaska Native culture. A review of program elements that worked and need improvement identified opportunities to better align theory and philosophy, and to strengthen communication between staff and faculty who have complementary responsibilities to one another and to students. These discussions are recommended in order to develop more intentional and focused recruiting, to strengthen communication, and to develop a more culturally responsive curriculum. Though the program does not yet present itself as a best practice model, the program strengths and lessons learned were used to develop considerations for other programs and partnerships wishing to develop similar delivery methods.Office of Vocational and Adult Education Community &Technical College, University of Alaska AnchorageIntroduction / Health Information Technology / The credential / Employment landscape / Partners / Structure / Timeline & Schedule / Student Cohort / Outcomes / Method, participation, and analysis / Findings / What worked: The tangibles / What worked: the intangibles / What didn't work / Opportunities / Discussion / Philosophical -Student success / Theoretical: frameworks / Recommendations / Recruitment / Communication / Curriculum / Replication / Conclusion / References / Appendix: Considerations for replicatio

An additional study of multi-muon events produced in pp- collisions at s=1.96 TeV

We present one additional study of multi-muon events produced at the Fermilab Tevatron collider and recorded by the CDF II detector. We use a data set acquired with a dedicated dimuon trigger and corresponding to an integrated luminosity of 3.9 fb?1. We investigate the distribution of the azimuthal angle between the two trigger muons in events containing at least four additional muon candidates to test the compatibility of these events with originating from known QCD processes. We find that this distribution is markedly different from what is expected from such QCD processes and this observation strongly disfavors the possibility that multi-muon events result from an underestimate of the rate of misidentified muons in ordinary QCD events.We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A.P. Sloan Foundation; the Korean Science and Engineering Foundation and the Korean Research Foundation; the Science and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovación, Spain; the European Community’s Human Potential Programme; the Slovak R&D Agency; and the Academy of Finland

The sociology of entrenchment: a cystic fibrosis test for everyone?

In this article we introduce the notion of entrenchment to conceptualize the processes in which new technological options, through the interactions between a variety of actors, become viable and established practices in society, both satisfying and modifying needs and interests. The notion of entrenchment we use as a framework for an analysis of developments and debates in the field of cystic fibrosis testing and screening in Denmark. On the one hand, it appears that the development and introduction of cystic fibrosis (CF) screening to some extent is predetermined both by existing networks of human genome researchers, clinical geneticist, patients (organizations),funding organizations, and regulatory agencies, and by existing practices like that of prenatal diagnosis. On the other hand, in Denmark, the content and future of CF screening is shaped in ongoing processes or articulation of demand for screening and of its cultural and political acceptability, processes which also involve political decision-making and which (may) result in new networks and regimes. Yet, what appears to be an inherent and undecided part of the process of entrenchment of CF screening in Denmark, is how to allocate responsibilities and authority to decide what is acceptable and what not

SOME FORENSIC ASPECTS OF BALLISTIC IMAGING

Analysis of ballistics evidence (spent cartridge casings and bullets) has been a staple of forensic criminal investigation for almost a century. Computer-assisted databases of images of ballistics evidence have been used since the mid-1980s to help search for potential matches between pieces of evidence. In this article, we draw on the 2008 National Research Council Report Ballistic Imaging to assess the state of ballistic imaging technology. In particular, we discuss the feasibility of creating a national reference ballistic imaging database (RBID) from test-fires of all newly manufactured or imported firearms. A national RBID might aid in using crime scene ballistic evidence to generate investigative leads to a crime gun’s point of sale. We conclude that a national RBID is not feasible at this time, primarily because existing imaging methodologies have insufficient discriminatory power. We also examine the emerging technology of micro- stamping for forensic identification purposes: etching a known identifier on firearm or ammunition parts so that they can be directly read and recovered from crime scene evidence. Microstamping could provide a stronger basis for identification based on ballistic evidence than the status quo, but substantial further research is needed to thoroughly assess its practical viability