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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (16 download)
Download or read book The NOvA Experiment, A Long-Baseline Neutrino Experiment at the Intensity Frontier written by and published by . This book was released on 2012 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Recent Evolution of the Offline Computing Model of the NOvA Experiment written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOvA experiment at Fermilab is a long-baseline neutrino experiment designed to study [nu]e appearance in a [nu][mu] beam. Over the last few years there has been intense work to streamline the computing infrastructure in preparation for data, which started to flow in from the far detector in Fall 2013. Major accomplishments for this effort include migration to the use of off-site resources through the use of the Open Science Grid and upgrading the file-handling framework from simple disk storage to a tiered system using a comprehensive data management and delivery system to find and access files on either disk or tape storage. NOvA has already produced more than 6.5 million files and more than 1 PB of raw data and Monte Carlo simulation files which are managed under this model. In addition, the current system has demonstrated sustained rates of up to 1 TB/hour of file transfer by the data handling system. NOvA pioneered the use of new tools and this paved the way for their use by other Intensity Frontier experiments at Fermilab. Most importantly, the new framework places the experiment's infrastructure on a firm foundation, and is ready to produce the files needed for first physics.
Download or read book Henri ou le jeune instituteur written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (16 download)
Download or read book The NOvA Timing System written by and published by . This book was released on 2012 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (873 download)
Download or read book Super-NOnuA written by and published by . This book was released on 2005 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Establishing the neutrino mass hierarchy is one of the fundamental questions that will have to be addressed in the next future. Its determination could be obtained with long-baseline experiments but typically suffers from degeneracies with other neutrino parameters. We consider here the NOvA experiment configuration and propose to place a second off-axis detector, with a shorter baseline, such that, by exploiting matter effects, the type of neutrino mass hierarchy could be determined with only the neutrino run. We show that the determination of this parameter is free of degeneracies, provided the ratio L/E, where L the baseline and E is the neutrino energy, is the same for both detectors.
Author : Takaaki Kajita
Publisher : World Scientific Publishing Company
ISBN 13 : 9814759317
Total Pages : 107 pages
Book Rating : 4.8/5 (147 download)
Download or read book Experimental Studies of Neutrino Oscillations written by Takaaki Kajita and published by World Scientific Publishing Company. This book was released on 2016-01-13 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Takaaki Kajita and Arthur McDonald have been jointly awarded the 2015 Nobel Prize in Physics "for the discovery of neutrino oscillations, which shows that neutrinos have mass". Takaaki Kajita is a Japanese physicist who is well known for neutrino experiments at the Kamiokande and the even more outsized Super-Kamiokande. This volume of collected works of Kajita on neutrino oscillations provides a good glimpse into the rise of Asian research in the frontiers of neutrino physics. Japan is now a major force in the study of the three families of neutrinos. Much remains to be done to clarify the Dirac vs. Majorana nature of the neutrino, and the cosmological implications of the neutrino. The collected works of Kajita and his Super-Kamiokande group will leave an indelible footprint in the history of big and better science. Copyright of the cover image belongs to Kamioka Observatory, ICRR (Institute for Cosmic Ray Research), The University of Tokyo.
Author : United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Energy and Environment
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigating the Nature of Matter, Energy, Space, and Time written by United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Energy and Environment and published by . This book was released on 2009 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 245 pages
Book Rating : 4.:/5 (925 download)
Download or read book Observation of Electron Neutrino Appearance in the NuMI Beam with the NOvA Experiment written by and published by . This book was released on 2015 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOvA is a long-baseline neutrino oscillation experiment that uses two functionally identical detectors separated by 810 kilometers at locations 14 milliradians o -axis from the NuMI muon neutrino beam at Fermilab. At these locations the beam energy peaks at 2 GeV. This baseline is the longest in the world for an accelerator-based neutrino oscillation experiment, which enhances the sensitivity to the neutrino mass ordering. The experiment studies oscillations of the muon neutrino and anti-neutrino beam that is produced. Both detectors completed commissioning in the summer of 2014 and continue to collect data. One of the primary physics goals of the experiment is the measurement of electron neutrino appearance in the muon neutrino beam which yields measurements of the oscillation parameters sin22[theta]13, [delta], and the neutrino mass ordering within the standard model of neutrino oscillations. This thesis presents the analysis of data collected between February 2014 and May 2015, corresponding to 3.52 X 1020 protons-on-target. In this first analysis NOvA recorded 6 electron neutrino candidates which is a 3.3[sigma] observation of electron neutrino appearance. The T2K experiment performs the same measurement on a baseline of 295 kilometers and has a 1 [sigma] preference for the normal mass ordering over the inverted ordering over the phase space of the CP violating parameter [delta], which is also weakly seen in the NOvA result. By the summer of 2016 NOvA will triple its statistics due to increased beam power and a completed detector. If electron neutrinos continue to be observed at the current rate NOvA will be able to establish a mass ordering preference at a similar con dence level to T2K.
Download or read book Recent Cross Section Work From NOvA. written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOvA experiment is an off-axis long-baseline neutrino oscillation experiment seeking to measure $\nu_{\mu}$ disappearance and $\nu_{e}$ appearance in a $\nu_{\mu}$ beam originating at Fermilab. In addition to measuring the unoscillated neutrino spectra for the purposes of predicting the oscillated neutrino spectrum in the far detector, the 293-ton near detector also enables high-statistics investigation into neutrino scattering in numerous reaction channels. We discuss the various near detector analyses currently in progress, including inclusive measurements of both electron and muon neutrino charged-current interactions and efforts to constrain the off-axis NuMI flux using the elastic scattering of neutrinos from atomic electrons.
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher :
ISBN 13 :
Total Pages : 1060 pages
Book Rating : 4.3/5 ( download)
Download or read book Energy and Water Development Appropriations for 2017: Department of Energy: Secretary of Energy written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2016 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.3/5 ( download)
Download or read book Energy and Water Development Appropriations for 2012: Witnesses written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2011 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (319 download)
Download or read book Energy and Water Development Appropriations for 2012: Department of Energy written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2011 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (962 download)
Download or read book Developing Novel Techniques for Readout, Calibration and Event Selection in the NOvA Long-baseline Neutrino Experiment written by and published by . This book was released on 2016 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOvA long-baseline neutrino experiment uses a fine-grained, low-Z, fully active detector that offers unprecedented electron neutrino identification capabilities for a detector of its scale. In this award's proposal, the PI outlined the development and implementation of novel techniques for channel readout, detector calibration, and event reconstruction that make full use of the strengths of the NOvA detector technology. In particular, this included designing custom event reconstruction algorithms that utilize the rich information available in the substructure of hadronic and electromagnetic showers. Exploiting this information provides not only substantial improvement in background rejection for the electron neutrino search but also better shower energy resolution (improving the precision on measured oscillation parameters) and a high-energy electromagnetic calibration source (through neutral pion events). The PI further proposed developing and deploying a new electronics readout scheme compatible with the existing hardware that can reduce near detector event pile-up and can offer powerful timing information to the reconstruction, allowing for cosmic ray muon tagging via track direction determination, among other things. In conjunction with the above, the PI proposed leading the calibration of the NOvA detectors, including characterizing individual electronics channels, correcting for spatial variations across the detector, and establishing absolute event energy scales. All three of these lines of effort have been successfully completed, feeding directly into the NOvA's recent exciting neutrino oscillation results. The techniques developed under this award are detailed in this final technical report.
Download or read book REPORT OF THE US LONG BASELINE NEUTRINO EXPERIMENT STUDY. written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the results of an extensive and important study of the potential for a U.S. scientific program that will extend our knowledge of neutrino oscillations well beyond what can be anticipated from ongoing and planned experiments worldwide. The program examined here has the potential to provide the U.S. particle physics community with world leading experimental capability in this intensely interesting and active field of fundamental research. Furthermore, this capability is not likely to be challenged anywhere else in the world for at least two decades into the future. The present study was initially commissioned in April 2006 by top research officers of Brookhaven National Laboratory and Fermilab and, as the study evolved, it also provides responses to questions formulated and addressed to the study group by the Neutrino Scientific Advisory Committee (NuSAG) of the U.S. DOE and NSF. The participants in the study, its Charge and history, plus the study results and conclusions are provided in this report and its appendices. A summary of the conclusions is provided in the Executive Summary.
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher :
ISBN 13 :
Total Pages : 1364 pages
Book Rating : 4.3/5 (121 download)
Download or read book Energy and Water Development Appropriations for 2010: Dept. of Energy fiscal year 2010 justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2009 with total page 1364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. BISHAI
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)
Download or read book STATUS OF THE US LONG BASELINE NEUTRINO EXPERIMENT STUDY. written by M. BISHAI and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The US Long Baseline Neutrino Experiment Study was commissioned jointly by Brookhaven National Laboratory and Fermi National Accelerator Laboratory to investigate the potential for future U.S. based long baseline neutrino oscillation experiments beyond the currently planned program. The Study focused on MW class convention at neutrino beams that can be produced at Fermilab or BNL. The experimental baselines are based on two possible detector locations: (1) off-axis to the existing Fermilab NuMI beamline at baselines of 700 to 810 km and (2) NSF's proposed future Deep Underground Science and Engineering Laboratory (DUSEL) at baselines greater than 1000 km. Two detector technologies are considered: a megaton class Water Cherenkov detector deployed deep underground at a DUSEL site, or a 100kT Liquid Argon Time-Projection Chamber (TPC) deployed on the surface at any of the proposed sites. The physics sensitivities of the proposed experiments are summarized. We find that conventional horn focused wide-band neutrino beam options from Fermilab or BNL aimed at a massive detector with a baseline of> 1000 km have the best sensitivity to CP violation and the neutrino mass hierarchy for values of the mixing angle {theta}{sub 13} down to 2.2{sup o}.
Author : Richard Lloyd Helmer
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (358 download)
Download or read book A New Long Baseline Neutrino Oscillation Experiment at Brookhaven written by Richard Lloyd Helmer and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
