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Author: J. J. Sakurai
Publisher: University of Chicago Press
ISBN: 0226733831
Category : Science
Languages : en
Pages : 174
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Book Description
Current and Mesons is the most recent publication in the Chicago Lectures in Physics series. The book presents Professor Sakurai's introduction to a new field of elementary particle physics which has become increasingly important in the past few years. It is based on a course given to his advanced graduate students in theoretical high-energy physics at the University of Chicago. The author begins with a brief review of SU (3). The major topics then treated are the divergence condition and current commutation relations, vector meson universality, PCAC and the Goldberger-Treiman relation, soft pion processes, and asymptotic symmetries and spectral-function sum rules. The book concludes with a discussion of notation and of normalization convention. Professor Sakurai's work deals with topics on which much of current discussion on the theory of elementary particles is focused. The material is designed for the advanced student who is seriously interested in doing original work, and as such provides a much needed introduction to the present literature in the field.
Author: J. J. Sakurai
Publisher: University of Chicago Press
ISBN: 0226733831
Category : Science
Languages : en
Pages : 174
Get Book Here
Book Description
Current and Mesons is the most recent publication in the Chicago Lectures in Physics series. The book presents Professor Sakurai's introduction to a new field of elementary particle physics which has become increasingly important in the past few years. It is based on a course given to his advanced graduate students in theoretical high-energy physics at the University of Chicago. The author begins with a brief review of SU (3). The major topics then treated are the divergence condition and current commutation relations, vector meson universality, PCAC and the Goldberger-Treiman relation, soft pion processes, and asymptotic symmetries and spectral-function sum rules. The book concludes with a discussion of notation and of normalization convention. Professor Sakurai's work deals with topics on which much of current discussion on the theory of elementary particles is focused. The material is designed for the advanced student who is seriously interested in doing original work, and as such provides a much needed introduction to the present literature in the field.
Author: Philipp Dominik Keidl
Publisher: Meson Press Eg
ISBN: 9783957960085
Category :
Languages : en
Pages : 380
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Book Description
With its unprecedented scale and consequences the COVID-19 pandemic has generated a variety of new configurations of media. Responding to demands for information, synchronization, regulation, and containment, these "pandemic media" reorder social interactions, spaces, and temporalities, thus contributing to a reconfiguration of media technologies and the cultures and polities with which they are entangled. Highlighting media's adaptability, malleability, and scalability under the conditions of a pandemic, the contributions to this volume track and analyze how media emerge, operate, and change in response to the global crisis and provide elements toward an understanding of the post-pandemic world to come.
Author: John Burfening
Publisher:
ISBN:
Category : Cyclotrons
Languages : en
Pages : 14
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Book Description
Positive mesons produced by 380 Mev alpha-particles in the 184-inch Berkeley cyclotron have been detected by means of photographic plates. The experimental arrangement is similar to that used for detecting negative mesons except that the plates are placed in a position to receive positive instead of negative particles from the target. Heavy positive mesons are observed to decay into secondary mesons in the manner described by Lattes, Occhialini and Powell. Relative numbers of positive aid negative me sons coming from a target are found by placing plates symmetrically on opposite sides of the target. Preliminary results indicate that for a 1/16 inch carbon target there are about one fourth as many heavy positive mesons as heavy negative ones for meson energies of 2-3 Mev in the laboratory system.
Author: A V Anisovich
Publisher: World Scientific
ISBN: 9814470902
Category : Science
Languages : en
Pages : 603
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Book Description
This book is devoted to the investigation of the strongly interacting hadrons — to a quark model operating with effective color particles, constituent quarks, massive effective gluons and diquarks. The study of strong interactions based on effective constituent particles requires a solid ground of experimental data, which we now have at our disposal with the serious progress made in the investigation of hadrons, especially meson states.The present understanding of QCD applied to strong interactions can be distorted by prejudices. Therefore, the way followed by the quark model is to rely on the experiment and to restore the effective Hamiltonian on the basis of QCD on the one hand, and, on the other, of the spectral integral method.Baryon-baryon and antibaryon-baryon interactions are studied with the purpose of unambiguous applications of the written formulae to the interpretation of experimental data — to the observation of new meson and baryon resonances. The technique used is the spin-orbital momentum expansion of the amplitude. This method is our basic approach to the proper treatment of experimental data. The photon-induced reactions are also considered and the problem of form factors is discussed.
Author:
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 338
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 658
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Book Description
Author: Paula Bialski
Publisher: U of Minnesota Press
ISBN: 1452959293
Category : Science
Languages : en
Pages : 138
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Book Description
On contemporary communication in its various human and nonhuman forms Contemporary communication puts us not only in conversation with one another but also with our machinery. Machine communication—to communicate not just via but also with machines—is therefore the focus of this volume. Diving into digital communications history, Finn Brunton brings to the fore the alienness of computational communication by looking at network timekeeping, automated trolling, and early attempts at communication with extraterrestrial life. Picking up this fascination with inhuman communication, Mercedes Bunz then performs a close reading of interaction design and interfaces to show how technology addresses humans (as very young children). Finally, Paula Bialski shares her findings from a field study of software development, analyzing the communicative forms that occur when code is written by separate people. Today, communication unfolds merely between two or more conscious entities but often includes an invisible third party. Inspired by this drastic shift, this volume uncovers new meanings of what it means “to communicate.”
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 962
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Book Description
Author: Andrew Lison
Publisher: U of Minnesota Press
ISBN: 1452961859
Category : Social Science
Languages : en
Pages : 91
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Book Description
How digital networks and services bring the issues of archives out of the realm of institutions and into the lives of everyday users Archives have become a nexus in the wake of the digital turn. Electronic files, search engines, video sites, and media player libraries make the concepts of “archival” and “retrieval” practically synonymous with the experience of interconnected computing. Archives today are the center of much attention but few agendas. Can archives inform the redistribution of power and resources when the concept of the public library as an institution makes knowledge and culture accessible to all members of society regardless of social or economic status? This book sets out to show that archives need our active support and continuing engagement. This volume offers three distinct perspectives on the present status of archives that are at once in disagreement and solidarity with each other, from contributors whose backgrounds cut across the theory–practice divide. Is the increasing digital storage of knowledge pushing us toward a turning point in its democratization? Can archives fulfill their paradoxical potential as utopian sites in which the analog and the digital, the past and future, and remembrance and forgetting commingle? Is there a downside to the present-day impulse toward total preservation?
Author: U.S. Atomic Energy Commission
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 346
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Book Description
