Direct Measurement Of The Hyperfine Structure Interval Of Positronium Using High Power Millimeter Wave Technology
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Direct Measurement Of The Hyperfine Structure Interval Of Positronium Using High Power Millimeter Wave Technology
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Author : Akira Miyazaki
language : en
Publisher: Springer
Release Date : 2015-06-01
Direct Measurement Of The Hyperfine Structure Interval Of Positronium Using High Power Millimeter Wave Technology written by Akira Miyazaki and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-01 with Science categories.
In this thesis, the author develops new high-power millimeter wave techniques for measuring the hyperfine structure of positronium (Ps-HFS) directly for the first time in the world. Indirect measurement of Ps-HFS in the literature might have systematic uncertainties related to the use of a static magnetic field. Development of the millimeter wave devices supports the precise determination of Ps-HFS by directly measuring the Breit-Wigner resonant transition from o-Ps to p-Ps without the magnetic field. At the same time, the width of the measured Breit-Wigner resonance directly provides the lifetime of p-Ps. This measurement is the first precise spectroscopic experiment involving the magnetic dipole transition and high-power millimeter waves. The development of a gyrotron and a Fabry-Pérot cavity is described as providing an effective power of over 20 kW, which is required to cause the direct transition from o-Ps to p-Ps. Those values measured by the newly developed millimeter wave device pave the way for examining the discrepancy observed between conventional indirect experiments on Ps-HFS and the theoretical predictions of Quantum Electrodynamics.
Publications Of The National Institute Of Standards And Technology Catalog
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Author : National Institute of Standards and Technology (U.S.)
language : en
Publisher:
Release Date : 1985
Publications Of The National Institute Of Standards And Technology Catalog written by National Institute of Standards and Technology (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Comprehensive Dissertation Index
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Author :
language : en
Publisher:
Release Date : 1989
Comprehensive Dissertation Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Dissertations, Academic categories.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1984
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Physics categories.
The Hydrogen Atom
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Author : G. Franco Bassani
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Hydrogen Atom written by G. Franco Bassani and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Atomic hydrogen, the simplest of all stable atoms, has been a challenge to spectroscopists and theoreticians for many years. Here, as in similar systems like positronium, muonium and possibly helium, the accuracy of theoretical predictions is comparable to that of experimental measurements. Hence exciting confrontations are possible. This together with expected large experimental improvements explains the strong interest in the symposium held in Pisa in June-July 1988. The resulting book completely covers the precision spectroscopy of atomic hydrogen and hydrogen-like systems, and also discusses aspects of QED and the influence of strong fields.
Basics Of Interferometry
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Author : P. Hariharan
language : en
Publisher: Elsevier
Release Date : 2010-07-28
Basics Of Interferometry written by P. Hariharan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-28 with Science categories.
Optical interferometry is used in communications, medical imaging, astonomy, and structural measurement. With the use of an interferometer engineers and scientists are able to complete surface inspections of micromachined surfaces and semiconductors. Medical technicians are able to give more consise diagnoses with the employ of interferometers in microscopy, spectroscopy, and coherent tomography. Originating from a one-day course, this material was expanded to serve as an introduction to the topic for engineers and scientists that have little optical knowledge but a need for more in their daily work lives. The need for interferometry knowledge has crossed the boundaries of engineering fields and Dr. Hariharan has written a book that answers the questions that new practitioners to interferometry have and haven't even thought of yet. Basics of Interferometry, Second Edition includes complete updates of all material with an emphasis on applications. It also has new chapters on white-light microsopy and interference with single photons. - Outstanding introduction to the world of optical interferometry with summaries at the begining and end of each chapter, several appendices with essential information, and worked numerical problems - Practical details enrich understanding for readers new to this material - New chapters on white-light microscopy for medical imaging and interference with single photons(quantum optics)
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1969-11
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969-11 with Nuclear energy categories.
Quantum Electrodynamics
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Author : V B Berestetskii
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Quantum Electrodynamics written by V B Berestetskii and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Several significant additions have been made to the second edition, including the operator method of calculating the bremsstrahlung cross-section, the calcualtion of the probabilities of photon-induced pair production and photon decay in a magnetic field, the asymptotic form of the scattering amplitudes at high energies, inelastic scattering of electrons by hadrons, and the transformation of electron-positron pairs into hadrons.
Laser Physics At The Limits
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Author : Hartmut Figger
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Laser Physics At The Limits written by Hartmut Figger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Laser physics has always been driven by a genuinely scientific quest to extend existing limits, limits of physical knowledge and limits of physical methods. Enhancing precision, sensitivity, and resolution has been an essential topic of this evolution. Experiments and concepts of laser physics have also earned a central place in modern physics. More than 100 years after the invention of quantum physics, subtleties of light-matter interaction can be beautifully illustrated through the application of lasers, an invaluable highlight of our current presentation of modern microscopic physics. The scientific advancement of physics is impossible without the ingenuity of experimenters and of theoreticians. Among those, Theodor Hänsch has oc cupied a commanding position for many decades now, contributing numerous original and fundamental contributions to the field of laser physics. This vol urne was thus initiated on the occasion of his 60th birthday. It demonstrates the influence of his scientific activities at present and during the recent past. Current developments in fields such as atomic elocks, precision measurements of fundamental constants, nonlinear optical effects, Bose-Einstein condensa tion, and atomic quantum engineering underline the virtue of concepts and results derived in his laboratories.
The Anomalous Magnetic Moment Of The Muon
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Author : Fred Jegerlehner
language : en
Publisher: Springer Science & Business Media
Release Date : 2008
The Anomalous Magnetic Moment Of The Muon written by Fred Jegerlehner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
This book reviews the present state of knowledge of the anomalous magnetic moment a=(g-2)/2 of the muon. The muon anomalous magnetic moment is one of the most precisely measured quantities in elementary particle physics and provides one of the most stringent tests of relativistic quantum field theory as a fundamental theoretical framework. It allows for an extremely precise check of the standard model of elementary particles and of its limitations.