Special Issue on Nucleon Resonances, Elena Santopinto; RALF GOTHE; Viktor I. Mokeev

Автор: Charles D. Goodman
Название: The (p,n) Reaction and the Nucleon-Nucleon Force
ISBN: 1468488627 ISBN-13(EAN): 9781468488623
Издательство: Springer
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Описание: This volume contains the proceedings of the Conference on the (p, n) Reaction and the Nucleon-Nucleon Force held in Telluride, Colorado, March 29-31, 1979. The idea to hold this conference grew out of a program at the Indiana University Cyclotron Facility to study the (p, n) reaction in the 50-200 MeV energy range. The first new Indiana data, in contrast to low energy data, showed features suggestive of a dominant one pion exchange interaction. It seemed desir- able to review what was known about the fre-e and the effective nucleon-nucleon force and the connection between the low and high energy (p, n) data. Thus the conference was born. The following people served as the organizing committee: S. M. Austin, Michigan State University W. Bertozzi, Massachusetts Institute of Technology S. D. Bloom, Lawrence Livermore Laboratory C. C. Foster, Indiana University C. D. Goodman, Oak Ridge National Laboratory (Conference Chairman) D. A. Lind, University of Colorado J. Rapaport, Ohio University G. R. Satch1er, Oak Ridge National Laboratory G. E. Walker, Indiana University R. L. Walter, Duke University and TUNL The sponsoring organizations were: Indiana University, Bloomington, Indiana University of Colorado, Boulder, Colorado Oak Ridge National Laboratory, Oak Ridge, Tennessee Triangle Universities Nuclear Laboratory, Durham, North Carolina Of course, the major credit for the success of the con- ference must go to the speakers who diligently prepared their talks that are reproduced in this volume.

Автор: Stokes Finn M.
Название: Structure of Nucleon Excited States from Lattice QCD
ISBN: 3030257215 ISBN-13(EAN): 9783030257217
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Описание: Quantum Chromodynamics (QCD) describes the interactions between elementary quarks and gluons as they compose the nucleons at the heart of atomic structure. The interactions give rise to complexity that can only be examined via numerical simulations on supercomputers. This work provides an introduction to the numerical simulations of lattice QCD and establishes new formalisms relevant to understanding the structure of nucleons and their excited states. The research opens with an examination of the non-trivial QCD vacuum and the emergence of “centre domains.” The focus then turns to establishing a novel Parity-Expanded Variational Analysis (PEVA) technique solving the important problem of isolating baryon states moving with finite momentum. This seminal work provides a foundation for future calculations of baryon properties. Implementation of the PEVA formalism discloses important systematic errors in conventional calculations and reveals the structure of nucleon excited states from the first principles of QCD for the first time.

Автор: Phiala Elisabeth Shanahan
Название: Strangeness and Charge Symmetry Violation in Nucleon Structure
ISBN: 3319314378 ISBN-13(EAN): 9783319314372
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Описание: In this thesis, the numerical lattice gauge theory approach to QCD is combined with the chiral perturbation theory formalism to determine strange and CSV quantities in a diverse range of observables including the octet baryon masses, sigma terms, electromagnetic form factors, and parton distribution functions.

Автор: H. Mitter; W. Plessas
Название: Nucleon-Nucleon and Nucleon-Antinucleon Interactions
ISBN: 3709188326 ISBN-13(EAN): 9783709188323
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Описание: Thanks to the efforts of the lecturers, who did a splendid job in presenting the lectures and in preparing their lecture notes, a comprehensive insight into the hadronic interaction between nucleons and anti-nucleons was achieved.

Автор: Anton N. Antonov; Peter E. Hodgson; Ivan Z. Petkov
Название: Nucleon Correlations in Nuclei
ISBN: 3642777686 ISBN-13(EAN): 9783642777684
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Описание: In many respects the motions of the nucleons can be very well described by an overall mean field, so that the motion of each nucleon is governed by the mean field due to all the other nucleons.

Автор: Jeffrey Galkowski
Название: Distribution of Resonances in Scattering by Thin Barriers
ISBN: 1470435721 ISBN-13(EAN): 9781470435721
Издательство: Mare Nostrum (Eurospan)
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Описание: Studies high energy resonances for the operators $-\Delta_{\partial\Omega,\delta}:=-\Delta \delta_{\partial\Omega}\otimes V\quad \textrm{and}\quad -\Delta_{\partial\Omega,\delta`}:=-\Delta \delta_{\partial\Omega}`\otimes V\partial_\nu$ where $\Omega\subset{\mathbb{R}}^{d}$ is strictly convex with smooth boundary.

Автор: K.A. Eberhard
Название: Resonances in Heavy Ion Reactions
ISBN: 3540114874 ISBN-13(EAN): 9783540114871
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Описание: International Workshop on Resonances in Heavy Ion Collisions

Автор: Lydia Audrey Beresford
Название: Searches for Dijet Resonances
ISBN: 3030073653 ISBN-13(EAN): 9783030073657
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Описание: This book addresses one of the most intriguing mysteries of our universe: the nature of dark matter. The results presented here mark a significant and substantial contribution to the search for new physics, in particular for new particles that couple to dark matter. The first analysis presented is a search for heavy new particles that decay into pairs of hadronic jets (dijets). This pioneering analysis explores unprecedented dijet invariant masses, reaching nearly 7 TeV, and sets constraints on several important new physics models. The two subsequent analyses focus on the difficult low dijet mass region, down to 200 GeV, and employ a novel technique to efficiently gather low-mass dijet events. The results of these analyses transcend the long-standing constraints on dark matter mediator particles set by several existing experiments.

Автор: Dyatlov, Semyon Zworski, Maciej
Название: Mathematical theory of scattering resonances
ISBN: 147044366X ISBN-13(EAN): 9781470443665
Издательство: Mare Nostrum (Eurospan)
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Описание: Scattering resonances generalize bound states/eigenvalues for systems in which energy can scatter to infinity. A typical resonance has a rate of oscillation (just as a bound state does) and a rate of decay. Although the notion is intrinsically dynamical, an elegant mathematical formulation comes from considering meromorphic continuations of Green's functions. The poles of these meromorphic continuations capture physical information by identifying the rate of oscillation with the real part of a pole and the rate of decay with its imaginary part. An example from mathematics is given by the zeros of the Riemann zeta function: they are, essentially, the resonances of the Laplacian on the modular surface. The Riemann hypothesis then states that the decay rates for the modular surface are all either $0$ or $\frac14$. An example from physics is given by quasi-normal modes of black holes which appear in long-time asymptotics of gravitational waves.This book concentrates mostly on the simplest case of scattering by compactly supported potentials but provides pointers to modern literature where more general cases are studied. It also presents a recent approach to the study of resonances on asymptotically hyperbolic manifolds. The last two chapters are devoted to semiclassical methods in the study of resonances.

Автор: A.T. Kruppa; R.G. Lovas
Название: Resonances in Few-Body Systems
ISBN: 3709172861 ISBN-13(EAN): 9783709172865
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Описание: Few-body resonances are in the frontiers of resonance studies. Very similar problems occur in atomic and molecular physics, nuclear physics and high-energy physics.This collection presents the state of the art of the studies of resonance states in these fields and demonstrates their common methodological aspects.

Автор: Beresford
Название: Searches for Dijet Resonances
ISBN: 3319975196 ISBN-13(EAN): 9783319975191
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Описание: The results presented here mark a significant and substantial contribution to the search for new physics, in particular for new particles that couple to dark matter. The two subsequent analyses focus on the difficult low dijet mass region, down to 200 GeV, and employ a novel technique to efficiently gather low-mass dijet events.

Автор: Erkki Br?ndas; Nils Elander
Название: Resonances
ISBN: 3662137259 ISBN-13(EAN): 9783662137253
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Описание: Within the Schrodinger picture in this volume are collected the various theoretical and mathematical treatments of scattering together with a host of reviews of its applications to atomic and nuclear physics, to surface physics and chemistry, for example trapping of atoms on surfaces, and to amorphous condensed systems.