The Neutron Electric Dipole Moment
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The Neutron Electric Dipole Moment
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Author : Arghya Ray
language : en
Publisher: Lulu.com
Release Date : 2012-06-12
The Neutron Electric Dipole Moment written by Arghya Ray and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-12 with Technology & Engineering categories.
The paper investigates the experimentation methods in the realm of finding a finite, dependable value for the neutron Electric Dipole Moment (nEDM). Finding a reliable value for the nEDM would elucidate the structure of the Universe from physical perspective. The spectacular possibilities associated with this research would give rise to a new sphere of knowledge of the material world. The paper examines the CP and T violation, Ultra Cold Neutron (UCN) and the modelling of the neutron spin. Also, it focuses on the contemporary models of experiments in this field, including the Room-temperature Experiment. Moreover, we have to solve the difficulties due to statistical and systematic uncertainties too. Until these sorts of uncertainties (for example, the Geometric Phase Effect) are solved, we cannot find out a dependable value for the nEDM.
Cp Violation Without Strangeness
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Author : Iosif B. Khriplovich
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Cp Violation Without Strangeness written by Iosif B. Khriplovich 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.
Electric dipole moments (EDMs) have interested physicists since 1950, when it was first suggested that there was no experimental evidence that nuclear forces are symmetric under parity (P) transformation. This question was regarded as speculative because the existence of an EDM, in addition to P violation, requires a violation of time-reversal (T) symmetry. In 1964 it was discovered that the invariance under CP transformation, which combines charge conjugation (C) with parity, is violated in K-meson decays. This provided a new incentive for EDM searches. Since the combined operations of CPT are expected to leave a system invariant, breakdown of CP invariance should be accompanied by a violation of time-reversal symmetry. Thus there is a reason to expect that EDMs should exist at some level. The original neutron EDM experiments were later supplemented with checks of T invariance in atoms and molecules. These investigations are pursued now by many groups. Over the years, the upper limit on the neutron EDM has been improved by seven orders of magnitude, and the upper limit on the electron EDM obtained in atomic experiments is even more strict.
Lepton Dipole Moments
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Author : B. Lee Roberts
language : en
Publisher: World Scientific
Release Date : 2010
Lepton Dipole Moments written by B. Lee Roberts and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Science categories.
This book provides a self-contained description of the measurements of the magnetic dipole moments of the electron and muon, along with a discussion of the measurements of the fine structure constant, and the theory associated with magnetic and electric dipole moments. Also included are the searches for a permanent electric dipole moment of the electron, muon, neutron and atomic nuclei. The related topic of the transition moment for lepton flavor violating processes, such as neutrinoless muon or tauon decays, and the search for such processes are included as well. The papers, written by many of the leading authors in this field, cover both the experimental and theoretical aspects of these topics. Sample Chapter(s). Chapter 1: Historical Introduction to Electric and Mangnetic Moments (367 KB). Contents: Historical Introduction (B L Roberts); Electromagnetic Dipole Moments and New Physics (A Czarnecki & W J Marciano); Lepton g OCo 2 from 1947 to Present (T Kinoshita); Analytic QED Calculations of the Anomalous Magnetic Moment of the Electron (S Laporta & E Remiddi); Measurements of the Electron Magnetic Moment (G Gabrielse); Determining the Fine Structure Constant (G Gabrielse); Helium Fine Structure Theory for the Determination of (K Pachucki & J Sapirstein); Hadronic Vacuum Polarization and the Lepton Anomalous Magnetic Moments (M Davier); The Hadronic Light-by-Light Contribution to a, e (J Prades et al.); General Prescriptions for One-loop Contributions to a e, (K R Lynch); Measurement of the Muon ( g OCo 2) Value (J P Miller et al.); Muon ( g OCo 2) and Physics Beyond the Standard Model (D StAckinger); Probing CP Violation with Electric Dipole Moments (M Pospelov & A Ritz); The Electric Dipole Moment of the Electron (E D Commins & D DeMille); Neutron EDM Experiments (S K Lamoreaux & R Golub); Nuclear Electric Dipole Moments (W C Griffith et al.); EDM Measurements in Storage Rings (B L Roberts et al.); Models of Lepton Flavor Violation (Y Okada); Search for the Charged Lepton-Flavor-Violating Transition Moments l OaAE l OC (Y Kuno). Readership: Researchers and graduate students in particle physics, atomic physics and nuclear physics, as well as experts working in the field
Fundamental Research With Polarized Slow Neutrons
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Author : P. A. Krupchit︠s︡kiĭ
language : en
Publisher: Springer
Release Date : 1987-04-30
Fundamental Research With Polarized Slow Neutrons written by P. A. Krupchit︠s︡kiĭ and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-04-30 with Science categories.
In the last twenty years polarized beams of slow neutrons have been used effectively in fundamental research in nuclear physics. Parity violation in nuclear fission and neutron optics was discoverd as well as the nuclear precession of neutrons and the coherent interference of spin channels in neutron capture by nuclei. Furthermore, these methods helped to understand better the neutron`s electric dipole moment and its beta decay. This book gives a thorough introduction to these experimental methods including the most recent techniques of generating and analyzing polarized neutral beams. It clearly shows the close relationship between elementary particle physics and nuclear physics, in particular in the section dealing with the effects caused by weak interactions. Special attention is paid to experiments which investigate the violation of quantum mechanical conservation laws. The book not only addresses specialists but also those interested in the foundations of elementary particle and nuclear physics. It is well suited as additional reading for students.
Ultra Cold Neutrons
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Author : R. Golub
language : en
Publisher: CRC Press
Release Date : 2017-07-12
Ultra Cold Neutrons written by R. Golub and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-12 with Science categories.
Ultra-Cold Neutrons is a complete, self-contained introduction and review of the field of ultra-cold neutron (UCN) physics. Over the last two decades, developments in UCN technology include the storage of UCN in material and magnetic bottles for time periods limited only by the beta decay rate of the free neutron. This capability has opened up the possibility of a wide range of applications in the fields of both fundamental and condensed state physics. The book explores some of these applications, such as the search for the electric dipole moment of the neutron that constitutes the most sensitive test of time reversal invariance yet devised. The book is suitable as an introduction to the field for research students, as a useful compendium of results and techniques for researchers, and is of general interest to nonspecialists in other areas of physics such as neutron, atomic, and fundamental physics and neutron scattering.
Ultra Cold Neutrons
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Author : S.K Lamoreaux
language : en
Publisher:
Release Date : 2017
Ultra Cold Neutrons written by S.K Lamoreaux and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Electronic books categories.
"Ultra-Cold Neutrons is a complete, self-contained introduction and review of the field of ultra-cold neutron (UCN) physics. Over the last two decades, developments in UCN technology include the storage of UCN in material and magnetic bottles for time periods limited only by the beta decay rate of the free neutron. This capability has opened up the possibility of a wide range of applications in the fields of both fundamental and condensed state physics. The book explores some of these applications, such as the search for the electric dipole moment of the neutron that constitutes the most sensitive test of time reversal invariance yet devised.The book is suitable as an introduction to the field for research students, as a useful compendium of results and techniques for researchers, and is of general interest to nonspecialists in other areas of physics such as neutron, atomic, and fundamental physics and neutron scattering."--Provided by publisher.
The Electric Dipole Moment Challenge
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Author : Richard Talman
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2017-05-18
The Electric Dipole Moment Challenge written by Richard Talman and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-18 with Science categories.
The electric dipole moment (EDM) challenge measures a non-zero proton EDM value and this book suggests how the challenge can be met. Any measurably large proton EDM would violate the standard model. The method to be employed uses an intense beam of 'frozen spin' protons circulating for hour-long times in a storage ring 'trap'. The smallness of EDMs allows them to test existing theories, but also makes them hard to measure. Such EDM experiments are inexpensive, at least compared to building accelerators of ever-greater energy.
Fundamental Research With Polarized Slow Neutrons
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Author : Pyotr Aleksandrovich Krupchitsky
language : en
Publisher: Springer
Release Date : 2014-04-13
Fundamental Research With Polarized Slow Neutrons written by Pyotr Aleksandrovich Krupchitsky and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-13 with Science categories.
In the last twenty years polarized beams of slow neutrons have been used effectively in fundamental research in nuclear physics. Parity violation in nuclear fission and neutron optics was discoverd as well as the nuclear precession of neutrons and the coherent interference of spin channels in neutron capture by nuclei. Furthermore, these methods helped to understand better the neutron`s electric dipole moment and its beta decay. This book gives a thorough introduction to these experimental methods including the most recent techniques of generating and analyzing polarized neutral beams. It clearly shows the close relationship between elementary particle physics and nuclear physics, in particular in the section dealing with the effects caused by weak interactions. Special attention is paid to experiments which investigate the violation of quantum mechanical conservation laws. The book not only addresses specialists but also those interested in the foundations of elementary particle and nuclear physics. It is well suited as additional reading for students.
Cp Violation
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Author : L. Wolfenstein
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Cp Violation written by L. Wolfenstein 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.
The articles collected in this volume are mainly concerned with the phenomenological description of the 1964 discovery on K° decay that CP invariance was violated in nature. The variety of models developed to explain this CP violation are described together with reprints of more recent definitive experiments, and CP violation in the B° system and the electric dipole moment of the neutron is also covered.
Cp Violation
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Author : Lincoln Wolfenstein
language : en
Publisher: North Holland
Release Date : 1989
Cp Violation written by Lincoln Wolfenstein and has been published by North Holland this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
The articles collected in this volume are mainly concerned with the phenomenological description of the 1964 discovery on K° decay that CP invariance was violated in nature. The variety of models developed to explain this CP violation are described together with reprints of more recent definitive experiments, and CP violation in the B° system and the electric dipole moment of the neutron is also covered.