The field of beam physics touches many areas of physics, engineering, and the sciences. In general terms, beams describe ensembles of particles with initial conditions similar enough to be treated together as a group so that the motion is a weakly nonlinear perturbation of a chosen reference particle. Particle beams are used in a variety of areas, ranging from electron microscopes, particle spectrometers, medical radiation facilities, powerful light sources, and astrophysics to large synchrotrons and storage rings such as the LHC at CERN. An Introduction to Beam Physics is based on lectures given at Michigan State University’s Department of Physics and Astronomy, the online VUBeam program, the U.S. Particle Accelerator School, the CERN Academic Training Programme, and various other venues. It is accessible to beginning graduate and upper-division undergraduate students in physics, mathematics, and engineering. The book begins with a historical overview of methods for generating and accelerating beams, highlighting important advances through the eyes of their developers using their original drawings. The book then presents concepts of linear beam optics, transfer matrices, the general equations of motion, and the main techniques used for single- and multi-pass systems. Some advanced nonlinear topics, including the computation of aberrations and a study of resonances, round out the presentation.
Snow on the Pine presents a compelling view of the Japanese foreign policy that runs counter to the common wisdom reducing Japan?s post-war efforts to the pursuit of purely commercial interests. This book takes a new approach ? the eventual Japanese defeat in the Second World War did not transform Japan into an ?exceptional state? seeking only economic interests. Like any other nations, economic issues have always played a crucial role in policy decisions. However, this is but only one amongst the many interweaving threads determining foreign policy decisions. In the authors? eyes, Japan?s foreign policy is characterized by the drive to dominate and influence the East Asia region, which has been a consistent motivation since the days of the Meiji restoration. Thus, the post-war period in this analysis provides a continuation rather than a break with the country?s previous history. Tactics, and even strategies, may have changed over time to meet the challenges of the ever evolving economic and political environments but the overall objective has essentially remained constant. The snow melts, but the pine endures.
The Japanese constitution as revised by General MacArthur in 1946, while generally regarded to be an outstanding basis for a liberal democracy, is at the same time widely considered to be—in its Japanese form—an document which is alien and incompatible with Japanese culture. Using both linguistics and historical data, Kyoto Inoue argues that despite the inclusion of alien concepts and ideas, this constitution is nonetheless fundamentally a Japanese document that can stand on its own. "This is an important book. . . . This is the most significant work on postwar Japanese constitutional history to appear in the West. It is highly instructive about the century-long process of cultural conflict in the evolution of government and society in modern Japan."—Thomas W. Burkman, Monumenta Nipponica
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