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Final State Effects In Inclusive Quasielastic Electron Scattering From Nuclei
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Book Synopsis Final State Effects in Inclusive Quasielastic Electron Scattering from Nuclei by :
Download or read book Final State Effects in Inclusive Quasielastic Electron Scattering from Nuclei written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The impulse approximation (IA) predicts that momentum distributions, n/sub k/, in many-body systems should be measurable by inclusive quasielastic scattering at high energy and momentum (w, Q) transfer. The observations that the cross section appears to satisfy ''Y-scaling'' (i.e., is a function not of both w and Q of a single variable, Y) is usually taken as a signature of the IA. In nuclear physics, inelastic electron scattering at GeV energies should reveal the high momentum components of the nuclear wave function. In quantum fluids, neutron scattering at hundreds of MeV energies should measure the Bose condensate in superfluid 4He and the Fermi surface discontinuity and depletion of the Fermi sea in 3He. In molecular and condensed matter systems, X-ray Compton scattering at keV energies reveals electronic n/sub k/. Such experiments test many-body wave functions calculated by methods such as Green Function and Path Integral Monte Carlo, and Fermi Hypernetted Chain. However, an outstanding issue has been the corrections to the IA due to the scattering of the recoiling particle from neighboring particles, which are termed ''final state effects'' (FSE). The FSE should be especially important in nuclei and quantum fluids where the potentials have steeply repulsive cores. While there have been a variety of theories proposed for FSE, until now none has been adequately tested by experiment. Recently, the ''hard core perturbation theory'' (HCPT) for FSE in quantum fluids by Silver has been successfully compared to new neutron scattering measurements on 4He by P.E. Sokol and colleagues. In this paper, we shall discuss the lessons of this success for the extraction of n/sub k/ in nuclei by inclusive ''quasielastic electron-nucleus scattering'' (QENS). 19 refs., 12 figs.
Book Synopsis The Nature of Hadrons and Nuclei by Electron Scattering by : Amand Faessler
Download or read book The Nature of Hadrons and Nuclei by Electron Scattering written by Amand Faessler and published by Elsevier. This book was released on 2016-06-06 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in Particle and Nuclear Physics, Volume 24: The Nature of Hadrons and Nuclei by Electron Scattering covers the proceedings of the International School of Nuclear Physics. The book presents 24 papers that discuss topics concerning hadrons and nuclei. The coverage of the text includes electron scattering and few-nucleon systems; occupation probabilities of shell-model orbitals; and the response function of nuclear matter. The book also tackles the internal spin structure of the nucleon; parity-violating electron scattering; and hard pion exchange currents and the backward deuteron disintegration. The text will be of great use to scientists involved in hadron and nucleon research.
Book Synopsis Quasielastic (e, E') Sum Rule Saturation by :
Download or read book Quasielastic (e, E') Sum Rule Saturation written by and published by . This book was released on 1989 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A microscopic Green's function doorway formalism is used to study Coulomb sum rule saturation in inclusive quasielastic electron scattering as a function of momentum transfer. Form factor, kinematical restriction, and final-state interaction effects on the approach to saturation are examined in detail, as are the roles of nonhermiticity, energy dependence, and the analytic behavior of the final-state interactions. The implications of relativistic kinematics and dynamics for the approach to saturation at not-too-high values of the momentum transfer are assessed. Because the pair production of relativistic treatments destroys the asymptotic nature of the nonrelativistic Coulomb sum rule, the degree to which a regime of validity can be expected for this sum rule, and its location, is considered. The breakdown of the sum rule as the momentum transfer increases is also examined. Similar theoretical studies of an analogous nonrelativistic transverse sum in its saturation region are developed as well. Theoretical predictions are compared with the experimental data for 4°Ca both directly and using a variety of theoretical prescriptions and limits. Neutron knockout contributions and associated uncertainties due to ambiguity in the free neutron form factors are examined.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inclusive Electron Scattering Form Nuclei in the Quasielastic Region at Large Momentum Transfer by : Nadia Fomin
Download or read book Inclusive Electron Scattering Form Nuclei in the Quasielastic Region at Large Momentum Transfer written by Nadia Fomin and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Final state interactions in quasi-free electron scattering from nuclei by : Chirold Delain Epp
Download or read book Final state interactions in quasi-free electron scattering from nuclei written by Chirold Delain Epp and published by . This book was released on 1969 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inclusive Inelastic Electron Scattering from Nuclei by :
Download or read book Inclusive Inelastic Electron Scattering from Nuclei written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive electron scattering from nuclei at large x and Q^ is the result of a reaction mechanism that includes both quasi-elastic scattering from nucleons and deep inelastic scattering from the quark consitituents of the nucleons. Data in this regime can be used to study a wide variety of topics, including the extraction of nuclear momentum distributions, the influence of final state interactions and the approach to _v-scaling, the strength of nucleon-nucleon correlations, and the approach to x- scaling, to name a few. Selected results from the recent experiment E02-019 at the Thomas Jefferson National Accelerator Facility will be shown and their relevance discussed.
Book Synopsis Electromagnetic Response of Atomic Nuclei by : Sigfrido Boffi
Download or read book Electromagnetic Response of Atomic Nuclei written by Sigfrido Boffi and published by Clarendon Press. This book was released on 1996 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the structure and dynamics of atomic nuclei in terms of nucleons, pions, and quarks, all within a unified treatment of the nuclear response to an electromagnetic probe. The basic formalism is presented to describe the electromagnetic field and its interaction with nuclear matter for both real and virtual photons. Nuclear response is then analyzed in terms of structure functions in the case of inclusive and semi-inclusive inelastic electron scattering. The discussion covers pion production and one- or two-nucleon emission and compares the results with available data. The formalism is also extended to incident polarized electrons, polarized targets and nuclear recoil polarization. It contains a comprehensive description of photonuclear reactions at intermediate energies and a review of experimental data and previous theoretical approaches.
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1989 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pauli Blocking and Final-state Interaction in Electron-nucleus Quasielastic Scattering by :
Download or read book Pauli Blocking and Final-state Interaction in Electron-nucleus Quasielastic Scattering written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The nucleon final-state interaction in electron-nucleus quasielastic scattering is studied. Based on the unitarity equation satisfied by the scattering-wave operators, a doorway model is developed to implement the Pauli-blocking of nucleon knockout. The model is complementary to the commonly used nuclear Fermi gas model which can not be applied with confidence to light- and medium-mass nuclei. Pauli blocking in these latter nuclei is illustrated with the case of Coulomb interaction. Significant effects are noted for beam energies below (almost equal to) 350 MeV/c. Extension of the model to high-energy hadron-nucleus quasielastic scatterings is discussed.
Book Synopsis Electron-nucleus Scattering - Proceedings Of The Workshop by : Adelchi Fabrocini
Download or read book Electron-nucleus Scattering - Proceedings Of The Workshop written by Adelchi Fabrocini and published by World Scientific. This book was released on 1994-03-30 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop aimed to gather the electron scattering community to assess the present status of the experimental and theoretical research program at the electron scattering facilities that will be available in the near future. The topics discussed include nucleon form factors and deep inelastic structure functions, electro-production of nucleon resonances, final state interactions and nucleon-nucleon correlations in nuclei, electron-nucleon scattering with polarized beams and targets and nuclear transparency.
Book Synopsis Electron-nucleus Scattering at X > 1 and High Q2 by : Dino Faralli
Download or read book Electron-nucleus Scattering at X > 1 and High Q2 written by Dino Faralli and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pan Xiii: Particles And Nuclei - Proceedings Of The Xiii International Conference by : Alessandro Pascolini
Download or read book Pan Xiii: Particles And Nuclei - Proceedings Of The Xiii International Conference written by Alessandro Pascolini and published by World Scientific. This book was released on 1994-05-31 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: This international conference was dedicated to the interface between nuclear and elementary particle physics. It was the thirteenth in a series initiated by T.E.O. Ericson, A. de Shalit and V. F. Weisskopf at CERN in 1963. The series provides the principal international forum for the presentation and critical examination of the main results of the experimental and theoretical research in the field of interest common to nuclear and particle physics. The topics cover the energy region where nucleons must be treated as composite particles, but quarks and gluons cannot be considered asymptotically free.PAN XIII reviews the status of the field in a delicate stage of transition: new experiments and instrumental facilities are bringing in more detailed and more accurate data on the various facets of the nuclear and subnuclear universe, but we are still far from a satisfactory and complete description of nucleons and nuclei in terms of underlying quarks and their interactions.
Book Synopsis Perspectives In Nuclear Physics At Intermediate Energies - Proceedings Of The 5th Workshop by : Sigfrido Boffi
Download or read book Perspectives In Nuclear Physics At Intermediate Energies - Proceedings Of The 5th Workshop written by Sigfrido Boffi and published by World Scientific. This book was released on 1992-05-07 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Black holes exist in galactic nuclei and in some X-ray binaries found in our own galaxy and the large Magellanic Cloud. This volume focuses on astrophysical high-energy emission processes around black holes, and the development of theoretical frameworks for interesting observational results.
Book Synopsis Foundations of Nuclear and Particle Physics by : T. William Donnelly
Download or read book Foundations of Nuclear and Particle Physics written by T. William Donnelly and published by Cambridge University Press. This book was released on 2017-02 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook brings together nuclear and particle physics, balancing theoretical and experimental perspectives for graduates and upper undergraduates.
Book Synopsis Comparative Study of Nuclear Effects in Polarized Electron Scattering from 3 He by :
Download or read book Comparative Study of Nuclear Effects in Polarized Electron Scattering from 3 He written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a detailed analysis of nuclear effects in inclusive electron scattering from polarized 3He nuclei for polarization asymmetries, structure functions and their moments, both in the nucleon resonance and deep-inelastic regions. We compare the results of calculations within the weak binding approximation at finite Q2 with the effective polarization ansatz often used in experimental data analyses, and explore the impact of ? components in the nuclear wave function and nucleon off-shell corrections on extractions of the free neutron structure. Using the same framework we also make predictions for the Q2 dependence of quasielastic scattering from polarized 3He, data on which can be used to constrain the spin-dependent nuclear smearing functions in 3He.
Book Synopsis The Nuclear Many-Body Problem 2001 by : Witold Nazarewicz
Download or read book The Nuclear Many-Body Problem 2001 written by Witold Nazarewicz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: An expert and illuminating review of the leading models of nuclear structure: effective field theories based on quantum chromodynamics; ab initio models based on Monte Carlo methods employing effective nucleon-nucleon interactions; diagonalization and the Monto Carlo shell model; non-relativistic and relativistic mean-field theory and its extensions; and symmetry-dictated approaches. Theoretical advances in major areas of nuclear structure are discussed: nuclei far from stability and radioactive ion beams; gamma ray spectroscopy; nuclear astrophysics and electroweak interactions in nuclei; electron scattering; nuclear superconductivity; superheavy elements. The interdisciplinary aspects of the many-body problem are also discussed. Recent experimental data are examined in light of state-of-the-art calculations. Recent advances in several broad areas of theoretical structure are covered, making the book ideal as a supplementary textbook.
