Download or read book Status of the E166 Experiment written by R. Poeschl and published by . This book was released on 2005 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The E166 experiment is a proof-of-principle experiment to demonstrate the production of polarized positrons with a helical undulator. The experiment has taken first data in June 2005 at SLAC. This article gives a short overview of the performance of various components of the experiment.

Download or read book Spin 2004 Proceedings Of The 16th International Spin Physics Symposium And Workshop On Polarized Electron Sources And Polarimeters With Cd rom written by Franco Bradamante and published by World Scientific. This book was released on 2005-08-02 with total page 1065 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive volume covers the most recent advances in the field of spin physics, including the latest research in high energy and nuclear physics and the study of nuclear spin structure. The comprehensive coverage also includes polarized proton and electron acceleration and storage as well as polarized ion sources and targets. Many significant new results and achievements on the different topics considered at the symposium are presented in this book for the first time.

Download or read book PSTP 2007 written by Ahovi Kponou and published by American Institute of Physics. This book was released on 2008-02-25 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Upton, New York, 10-14 September 2007

Download or read book International Workshop on Positrons at Jefferson Lab written by Latifa Elouadrhiri and published by American Institute of Physics. This book was released on 2009-08-20 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Newport News, Virginia, 25-27 March 2009

Download or read book The E166 Experiment written by and published by . This book was released on 2007 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A proof-of-principle experiment has been carried out in the Final Focus Test Beam (FFTB) at SLAC to demonstrate production of polarized positrons in a manner suitable for implementation at the ILC. A helical undulator of 2.54 mm period and 1-m length produced circularly polarized photons of first harmonic endpoint energy of 8 MeV when traversed by a 46.6 GeV electron beam. The polarized photons were converted to polarized positrons in a 0.2-radiation-length tungsten target. The polarization of these positrons was measured at several energies, with a peak value of (almost equal to) 80% according to a preliminary analysis of the transmission polarimetry of photons obtained on reconversion of the positrons in a second tungsten target.

Download or read book The E166 Experiment written by and published by . This book was released on 2011 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A longitudinal polarized positron beam is foreseen for the international linear collider (ILC). A proof-of-principle experiment has been performed in the final focus test beam at SLAC to demonstrate the production of polarized positrons for implementation at the ILC. The E166 experiment uses a 1 m long helical undulator in a 46.6 GeV electron beam to produce a few MeV photons with a high degree of circular polarization. These photons are then converted in a thin target to generate longitudinally polarized e and e−. The positron polarization is measured using a Compton transmission polarimeter. The data analysis has shown asymmetries in the expected vicinity of 3.4% and H"% for photons and positrons respectively and the expected positron longitudinal polarization is covering a range from 50% to 90%. The full exploitation of the physics potential of an international linear collider (ILC) will require the development of polarized positron beams. Having both e and e− beams polarized will provide new insight into structures of couplings and thus give access to physics beyond the standard model [1]. The concept for a polarized positron source is based on circularly polarized photon sources. These photons are then converted to longitudinally polarized e+ and e− pairs. While in an experiment at KEK [1a], Compton backscattering is used [2], the E166 experiment uses a helical undulator to produce polarized photons. An undulator-based positron source for the ILC has been proposed in [3,4]. The proposed scheme for an ILC positron source is illustrated in figure 1. In this scheme, a 150 GeV electron beam passes through a 120 m long helical undulator to produce an intense photon beam with a high degree of circular polarization. These photons are converted in a thin target to e+ e− pairs. The polarized positrons are then collected, pre-accelerated to the damping ring and injected to the main linac. The E166 experiment is dedicated to test this concept of a helical-undulator-based polarized positron source for the ILC. The experiment was carried out at SLAC where it benefitted from the high quality electron beam in the final focus test beam (FFTB).

Download or read book Soviet Aircraft Industry written by Peter G Dancey and published by Fonthill Media. This book was released on 2017-04-22 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soviet aircraft industry was an essential part of the USSR’s campaign for global dominance in the twentieth century. Thanks to the thick fog of secrecy that enveloped it throughout the Cold War, it has long inspired the fascination of analysts and enthusiasts in the West; until the collapse of the USSR in 1991, details of Soviet aircraft were often a matter of conjecture. This book aims to uncover fully the mystery surrounding this topic. Drawing on original and previously unpublished information obtained directly from the former USSR, Soviet Aircraft Industry examines the unique characteristics of Soviet-designed aircraft—particularly military types, which were the cause of great concern to the West. Further, by virtue of the industry’s central role throughout Soviet history, this book provides a rare and important perspective into the broader theme of Russia’s great communist experiment.

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Download or read book Field Guidelines for Genetic Experimental Designs in High Throughput Sequencing written by Ana M. Aransay and published by Springer. This book was released on 2016-06-02 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: High throughput sequencing (HTS) technologies have conquered the genomics and epigenomics worlds. The applications of HTS methods are wide, and can be used to sequence everything from whole or partial genomes, transcriptomes, non-coding RNAs, ribosome profiling, to single-cell sequencing. Having such diversity of alternatives, there is a demand for information by research scientists without experience in HTS that need to choose the most suitable methodology or combination of platforms and to define their experimental designs to achieve their specific objectives. Field Guidelines for Genetic Experimental Designs in High-Throughput Sequencing aims to collect in a single volume all aspects that should be taken into account when HTS technologies are being incorporated into a research project and the reasons behind them. Moreover, examples of several successful strategies will be analyzed to make the point of the crucial features. This book will be of use to all scientist that are unfamiliar with HTS and want to incorporate such technologies to their research.

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Download or read book Chloride Movements Across Cellular Membranes written by and published by Elsevier. This book was released on 2011-09-22 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: All living cells are surrounded by a lipidic membrane that isolates them from the often harsh environment. However, to take up nutrients, to excrete waste, and to communicate among each other, Nature has invented an incredibly diverse set of transmembrane transport proteins. Specialized transporters exist to shuttle electrically charged ions, positive cations like sodium or negative anions like chloride, across the membrane. In the recent years, tremendous progress has been made in the field of chloride transport. The present book presents the state of the art of this rapidly expanding and interest-gaining field of membrane transport. It is addressed at a broad medically, physiologically, biologically, and biophysically interested readership. Describes the state-of-the-art in anion transport research Written by leaders in the field Presents a timely discussion of this rapidly emerging and expanding field

Download or read book Indian Science Abstracts written by and published by . This book was released on 2008-11 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Experiments in Progress written by Grassland Research Institute (Hurley, Berkshire, England) and published by . This book was released on 1949 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Exhibition Experiments written by Sharon Macdonald and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exhibition Experiments is a lively collection that considers experiments with museological form that challenge our understanding of - and experience with - museums. Explores examples of museum experimentalism in light of cutting-edge museum theory Draws on a range of global and topical examples, including museum experimentation, exhibitionary forms, the fate of conventional notions of ‘object’ and ‘representation’, and the impact of these changes Brings together an international group of art historians, anthropologists, and sociologists to question traditional disciplinary boundaries Considers the impact of technology on the museum space tackles a range of examples of experimentalism from many different countries, including Australia, Austria, Germany, Israel, Luxembourg, Sweden, the UK and the US Examines the changes and challenging new possibilities facing museum studies