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Nucleon Momentum Distributions And Correlations In Nuclei
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Book Synopsis Nucleon Correlations in Nuclei by : Anton N. Antonov
Download or read book Nucleon Correlations in Nuclei written by Anton N. Antonov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there has been growing interest in the nucleon-nucleon correl ations inside nuclei. 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. This concept underlies the Fermi-gas, Hartree-Fock and shell models and has enabled a range of nuclear properties to be calculated, often to surprising accuracy. It gradually became clear, however, that these mean-field models are limited by the effects due to the very strong interactions between the nucleons that occur at short distances; these are the short-range correlations. They are responsible for instance for the high-momentum components in the nucleon momentum dis tribution, and prevent the simultaneous description of the nuclear density and momentum distributions by the same mean field. It thus becomes necessary to develop methods for including the effects of nucleon correlations in nuclei, and these are the main subject of this book. Some related problems of nuclear structure were discussed in an earlier book by the same authors: Nucleon Momentum and Density Distributions in Nuclei (Clarendon Press, Oxford, 1988). The main aim of that book was to study the effects of nucleon-nucleon correlations, both short-range and tensor, on the nucleon momentum distribution, which is particularly sensitive to these correl ations, and on the nucleon density distribution.
Book Synopsis Nucleon Correlations in Nuclei by : Anton Antonov
Download or read book Nucleon Correlations in Nuclei written by Anton Antonov and published by Springer. This book was released on 1993-06-25 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there has been growing interest in the nucleon-nucleon correl ations inside nuclei. 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. This concept underlies the Fermi-gas, Hartree-Fock and shell models and has enabled a range of nuclear properties to be calculated, often to surprising accuracy. It gradually became clear, however, that these mean-field models are limited by the effects due to the very strong interactions between the nucleons that occur at short distances; these are the short-range correlations. They are responsible for instance for the high-momentum components in the nucleon momentum dis tribution, and prevent the simultaneous description of the nuclear density and momentum distributions by the same mean field. It thus becomes necessary to develop methods for including the effects of nucleon correlations in nuclei, and these are the main subject of this book. Some related problems of nuclear structure were discussed in an earlier book by the same authors: Nucleon Momentum and Density Distributions in Nuclei (Clarendon Press, Oxford, 1988). The main aim of that book was to study the effects of nucleon-nucleon correlations, both short-range and tensor, on the nucleon momentum distribution, which is particularly sensitive to these correl ations, and on the nucleon density distribution.
Book Synopsis Nucleon Momentum Distributions and Correlations in Nuclei by : A. N. Antonov
Download or read book Nucleon Momentum Distributions and Correlations in Nuclei written by A. N. Antonov and published by . This book was released on 1987 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nucleon Momentum and Density Distributions in Nuclei by : A. N. Antonov
Download or read book Nucleon Momentum and Density Distributions in Nuclei written by A. N. Antonov and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because it determines many of the features of nuclear reactions, such as knockout, inelastic scattering, and transfer processes at high energies, the momentum distribution of the nucleons in atomic nuclei is crucial to our understanding of nuclear structure. The distribution can be calculated from several models and the correctness of the result assessed experimentally. Due to the effects of short-range correlations and the many-body nature of the problem, these calculations are often difficult, requiring a variety of mathematical techniques. This book discusses these techniques and shows how the results may be related to measurements in the lab. This is a complete sourcebook for theoretical and experimental nuclear physicists.
Book Synopsis Momentum Distributions by : Richard N. Silver
Download or read book Momentum Distributions written by Richard N. Silver and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the Workshop on Momentum Distributions held on October 24 to 26, 1988 at Argonne National Laboratory. This workshop was motivated by the enormous progress within the past few years in both experimental and theoretical studies of momentum distributions, by the growing recognition of the importance of momentum distributions to the characterization of quantum many-body systems, and especially by the realization that momentum distribution studies have much in common across the entire range of modern physics. Accordingly, the workshop was unique in that it brought together researchers in nuclear physics, electronic systems, quantum fluids and solids, and particle physics to address the common elements of momentum distribution studies. The topics dis cussed in the workshop spanned more than ten orders of magnitude range in charac teristic energy scales. The workshop included an extraordinary variety of interactions from Coulombic to hard core repulsive, from non-relativistic to extreme relativistic.
Download or read book The Nucleons Go Two by Two written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite tremendous progress in recent years in measuring single nucleon momentum distributions in nuclei, two-nucleon momentum distributions remain largely unmeasured. Here we report on a measurement of 3He(e, e[prime]pp)n that is primarily sensitive to the two-nucleon momentum distribution and relatively uncontaminated by final state rescattering or by two-body currents. We also look at the general sources and relative strengths of two- and three-nucleon knockout from nuclei.
Book Synopsis Two Nucleon Correlations Measured with He-3(e, E'pp)n by : L. B. Weinstein
Download or read book Two Nucleon Correlations Measured with He-3(e, E'pp)n written by L. B. Weinstein and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite tremendous progress in recent years in measuring single nucleon momentum distributions in nuclei, two-nucleon momentum distributions remain largely unmeasured. Here we report on a measurement of 3He(e, epp)n that is primarily sensitive to the two-nucleon momentum distribution and relatively uncontaminated by final state rescattering or by two-body currents.
Book Synopsis Two-nucleon Short-range Correlations in Light Nuclei by : Reynier Cruz Torres
Download or read book Two-nucleon Short-range Correlations in Light Nuclei written by Reynier Cruz Torres and published by . This book was released on 2020 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the nucleon-nucleon (NN) interaction is a fundamental task in nuclear physics, as NN-interaction models are a crucial input to modern nuclear structure calculations. While great progress has been made toward understanding this interaction, the available state-of-the-art models predict significantly different behaviors at short distances and high momenta (scale-and-scheme dependence), where two-nucleon Short-Range Correlations (SRCs) dominate the nuclear wave function. Thus, SRCs are a unique tool to constrain the NN interaction and vice versa. SRCs are naturally-occurring high-local-density NN pairs that, as a result of their short-distance (r /~ 1 fm) repulsive interaction, fly apart with high momenta, hence populating momentum states above the Fermi level (k /~ & k[subscript F]~~ 250 MeV/c). The study of SRCs also has significant implications for other fields, such as the astrophysics of neutron stars and the behavior of cold atomic gasses. This thesis describes experimental and phenomenological studies of the short-distance / high-momentum structure of the NN interaction through the study of SRCs and vice versa. Experimentally, I report the first measurement of the 3He and 3H(e, e'p) reactions in Hall A of the Thomas Jefferson National Accelerator Facility in kinematics in which the measured cross sections should be sensitive to the underlying nucleon momentum distributions in the range 40 to 500 MeV/c. The resulting cross-section ratios and absolute cross sections were compared to momentum-distribution ratios and precise cross-section calculations respectively. Phenomenologically, I report the generalization of the Contact Formalism (GCF) to nuclear systems, which exploits scale separation and universality to describe nucleons at short distances and high momenta.
Book Synopsis Himno a la Inmaculada Virgen María bajo la advocación de Guadalupe by :
Download or read book Himno a la Inmaculada Virgen María bajo la advocación de Guadalupe written by and published by . This book was released on 1830 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nucleon Momentum and Density Distributions in Nuclei by : A. N. Antonov
Download or read book Nucleon Momentum and Density Distributions in Nuclei written by A. N. Antonov and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because it determines many of the features of nuclear reactions, such as knockout, inelastic scattering, and transfer processes at high energies, the momentum distribution of the nucleons in atomic nuclei is crucial to our understanding of nuclear structure. The distribution can be calculated from several models and the correctness of the result assessed experimentally. Due to the effects of short-range correlations and the many-body nature of the problem, these calculations are often difficult, requiring a variety of mathematical techniques. This book discusses these techniques and shows how the results may be related to measurements in the lab. This is a complete sourcebook for theoretical and experimental nuclear physicists.
Book Synopsis Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron Nucleus Scattering by : John Arrington
Download or read book Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron Nucleus Scattering written by John Arrington and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive electron scattering from nuclei at low momentum transfer (corresponding to x>1) and moderate Q^2 is dominated by quasifree scattering from nucleons. In the impulse approximation, the cross section can be directly connected to the nucleon momentum distribution via the scaling function F(y). The breakdown of the y-scaling assumptions in certain kinematic regions have prevented extraction of nucleon momentum distributions from such a scaling analysis. With a slight modification to the y-scaling assumptions, it is found that scaling functions can be extracted which are consistent with the expectations for the nucleon momentum distributions.
Book Synopsis Probing Nucleons And Nuclei In High Energy Collisions - Proceedings Of The Int Program Int-18-3 by : Alexei Prokudin
Download or read book Probing Nucleons And Nuclei In High Energy Collisions - Proceedings Of The Int Program Int-18-3 written by Alexei Prokudin and published by World Scientific. This book was released on 2020-05-29 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains proceedings of the 7-week INT program dedicated to the physics of the Electron-Ion Collider (EIC), the world's first polarized electron-nucleon (ep) and electron-nucleus (eA) collider to be constructed in the United States. The 2015 NSAC Long Range Plan recommended EIC as the 'highest priority for new facility construction following the completion of FRIB'. The primary goal of the EIC is to establish precise multi-dimensional imaging of quarks and gluons inside nucleons and nuclei. This includes (i) understanding the spatial and momentum space structure of the nucleon through the studies of TMDs (transverse-momentum-dependent parton distributions), GPD (generalized parton distributions) and the Wigner distribution; (ii) determining the partonic origin of the nucleon spin; (iii) exploring the new quantum chromodynamics (QCD) frontier of ultra-strong gluon fields, with the potential to seal the discovery of a new form of dense gluon matter predicted to exist in all nuclei and nucleons at small Bjorken x — the parton saturation.The program brought together both theorists and experimentalists from Jefferson Lab (JLab), Brookhaven National Laboratory (BNL) along with the national and international nuclear physics communities to assess and advance the EIC physics.
Book Synopsis Nucleon and Nucleon-pair Momentum Distributions in Ad"2 Nuclei by :
Download or read book Nucleon and Nucleon-pair Momentum Distributions in Ad"2 Nuclei written by and published by . This book was released on 2014 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report variational Monte Carlo calculations of single-nucleon momentum distributions for Ad"2 nuclei and nucleon-pair and nucleon-cluster momentum distributions for Ad". The wave functions have been generated for a Hamiltonian containing the Argonne [nu]18 two-nucleon and Urbana X three-nucleon potentials. The single-nucleon and nucleon-pair momentum distributions exhibit universal features attributable to the one-pion-exchange tensor interaction The single-nucleon distributions are broken down into proton and neutron components and spin-up and spin-down components where appropriate. The nucleon-pair momentum distributions are given separately for pp and pn pairs. The nucleon-cluster momentum distributions include dp in 3He, tp and dd in S4He, [alpha]d in 6Li, [alpha]t in 7Li, and [alpha][alpha] in 8Be. Detailed tables are provided on-line for download.
Book Synopsis Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron-nucleus Scattering by :
Download or read book Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron-nucleus Scattering written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive electron scattering from nuclei at low momentum transfer (corresponding to x[ge] 1) and moderate Q[sup 2] is dominated by quasifree scattering from nucleons. In the impulse approximation, the cross section can be directly connected to the nucleon momentum distribution via the scaling function F(y). The breakdown of the y-scaling assumptions in certain kinematic regions have prevented extraction of nucleon momentum distributions from such a scaling analysis. With a slight modification to the y-scaling assumptions, it is found that scaling functions can be extracted which are consistent with the expectations for the nucleon momentum distributions.
Book Synopsis Nuclear Correlations Measured with the CLAS Detector by :
Download or read book Nuclear Correlations Measured with the CLAS Detector written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Two separate analyses of CLAS data from the E2 run period have extracted detailed information about nuclear correlations. Observations of scaling for the cross section ratios of nuclei to 3He in (e, e') at x{sub b}> 1 allow for the extraction of the relative probability of short range correlations in nuclei. Direct observations of 2 nucleon knockout in the reaction 3He(e, e'pp)n in specific kinematics show a convincing signature of short range correlations in nuclei, and allow for a measurement of the relative and total momentum distributions of a correlated pair in 3He.
Book Synopsis Modern Topics in Electron Scattering by : Bernard Frois
Download or read book Modern Topics in Electron Scattering written by Bernard Frois and published by World Scientific. This book was released on 1991 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the considerable progress recently achieved in the understanding of nucleon and nuclear structure by using high energy electrons as a probe. A collection of papers discusses in detail the new frontiers of this field. Experimental and theoretical articles cover topics such as the structure of the nucleon, nucleon distributions, many-body correlations, non-nucleonic degrees of freedom and few-body systems. This book is an up-to-date introduction to the research planned with continuous beam electron accelerators.
Book Synopsis Nuclei at Extremes of Isospin and Mass by : A. Ansari
Download or read book Nuclei at Extremes of Isospin and Mass written by A. Ansari and published by Alpha Science Int'l Ltd.. This book was released on 2005 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributed articles presented in a workshop organised by Institute of Physics, Bhubaneswar, held during Mar. 10-22, 2003.
