ON THE FIELD-THEORETICAL FORMULATION OF THE LOW-ENERGY PION-NUCLEON SCATTERING PROBLEM. PDF Download
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Author: A. I. Machavariani
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: A. I. Machavariani
Publisher:
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Category :
Languages : en
Pages : 0
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Author: Geoffrey F. Chew
Publisher:
ISBN:
Category : Mesons
Languages : en
Pages :
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Author: Robert John McLeod
Publisher:
ISBN:
Category : Antinucleons
Languages : en
Pages : 192
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Author:
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Category :
Languages : en
Pages :
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A once-subtracted form of the Low equation for the pion-nucleon scattering amplitude is derived, with PCAC used to define the amplitude when one pion is off the mass shell. The static approximation is not made and both the seagull terms and the antinucleon contribution (z-graphs) are retained. The theory is applied to calculate the S-wave amplitudes in the elastic scattering region. Good agreement is found with the phase shift fits to the data when we use mod(g/sub .pi./(4M2)) = 11.69 and 25.5 MeV for the .pi.N sigma-commutator. The implications of this work for the analysis of low-energy elastic scattering of pions from nuclei are discussed. In particular, it is pointed out how this work establishes the presence of a Laplacian term in the pion-nucleus optical potential with a magnitude that is fixed from the value of the sigma-commutator.
Author: Oliver K. Baker
Publisher: BoD – Books on Demand
ISBN: 0854660836
Category : Science
Languages : en
Pages : 282
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This book is devoted to research topics in quantum entanglement at the energy frontier of particle and nuclear physics, and important interdisciplinary collaborations with colleagues from fields outside of physics. A non-exhaustive list of examples of the latter can include mathematics, computer science, social sciences, philosophy, and how physics can interact with them in a way that supports successful outcomes. These are exciting times in the field of quantum information science, with new research results and their applications in society exhibiting themselves rather frequently. But what is even more exciting is that the frequency of these new results and their applications increases with a rapidity that will motivate new methods, new theories, new experiments, and new collaborations outside of the field that future researchers will find quite challenging.
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Category : Power resources
Languages : en
Pages : 872
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Author: Ignazio Bombaci
Publisher: World Scientific
ISBN: 981447519X
Category : Science
Languages : en
Pages : 433
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This volume gives a comprehensive overview of the latest research activity undertaken in the field of theoretical nuclear physics in Italy. Several topics of current interest are included: from nuclear matter and nuclear structure to nuclear astrophysics and quark-gluon plasma.
Author: J. C. Huang
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Author: William Alexander Ross
Publisher:
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Category :
Languages : en
Pages : 246
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Author: J. C. Huang
Publisher:
ISBN:
Category :
Languages : en
Pages : 17
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