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Related papers: Short-range correlations in finite nuclear systems

200 papers

A brief review is given concerning the status of the theoretical work on nucleon spectral functions. A recent concern about the validity of the concept of spectroscopic factors as deduced from (e,e'p) reactions at higher Q^2, is discussed…

Nuclear Theory · Physics 2007-05-23 W. H. Dickhoff , E. P. Roth , M. Radici

We show that the strong dependence of the amplitude for $NN$ hard scattering on the collision energy can be used to magnify the effects of short range nucleon correlations in quasielastic $pd$ scattering. Under specific kinematical…

Nuclear Theory · Physics 2009-09-25 L. Frankfurt , E. Piasetsky , M. Sargsyan , M. Strikman

A brief overview is given of the properties of spectral functions in finite nuclei as obtained from (e,e'p) experiments. Based on recent experimental data from this reaction it is argued that the empirical value of the saturation density of…

Nuclear Theory · Physics 2009-11-07 W. H. Dickhoff , E. P. Roth

Short range correlations are introduced using unitary correlation method in a relativistic approach to the equation of state of the infinite nuclear matter in the framework of the Hartree-Fock approximation. The effect of the correlations…

Nuclear Theory · Physics 2015-06-26 P. K. Panda , D. P. Menezes , C. Providencia , J. da Providencia

Recently, a method was developed for implementing arbitrary short-range nucleon-nucleon correlations in Monte Carlo sampled nuclei (as well as deformations of the 1-body nuclear density). We use this method to implement realistic 2-body…

Nuclear Theory · Physics 2023-12-19 Matthew Luzum , João Paulo Picchetti , Mauricio Hippert , Jean-Yves Ollitrault

One of the primary goals of nuclear physics is providing a complete description of the structure of atomic nuclei. While mean-field calculations provide detailed information on the nuclear shell structure for a wide range of nuclei, they do…

Nuclear Experiment · Physics 2012-10-11 J. Arrington , D. W. Higinbotham , G. Rosner , M. Sargsian

I present the case for studying the nature of short-range internucleon interactions with electron-scattering experiments on few-body nuclear targets. I first review what electron-scattering studies have unearthed about the nature of the…

Nuclear Experiment · Physics 2011-04-15 J. A. Templon

We treat short-range correlations in nuclear matter, induced by the repulsive core of the nucleon-nucleon potential, within the framework of a self-consistent Green's function theory. The effective in-medium interaction sums the ladder…

Nuclear Theory · Physics 2009-11-06 Y. Dewulf , D. Van Neck , M. Waroquier

Valence-shell nucleon knock-out experiments, such as 12C(e,e'p)11B, measure less strength then is predicted by independent particle shell model calculations. The theoretical solution to this problem is to include the correlations between…

Nuclear Experiment · Physics 2015-05-20 Douglas W. Higinbotham

The effects of short-range correlations derived from a realistic meson-exchange potential on the single-particle density matrix in finite nuclei are investigated by analyzing the one-body density in terms of the natural orbits. Basic…

Nuclear Theory · Physics 2016-09-08 A. Polls , H. Müther , W. H. Dickhoff

We present a calculation of low energy magnetic states of doubly-closed-shell nuclei. Our results have been obtained within the random phase approximation using different nucleon-nucleon interactions, having zero- or finite-range and…

Nuclear Theory · Physics 2015-05-13 C. Maieron , V. De Donno , G Co' , M. Anguiano , A. M. Lallena , M. Moreno Torres

Recent BNL and Jlab data provided new evidence on two nucleon correlations (2NC) in nuclei. The data confirm the validity of the convolution model, describing the spectral function (SF) of a correlated pair moving in the mean field with…

Nuclear Theory · Physics 2011-04-28 C. Ciofi degli Atti , L. P. Kaptari , H. Morita , S. Scopetta

The application of the Correlated basis function theory and of the Fermi hypernetted chain technique, to the description of the ground state of medium-heavy nuclei is reviewed. We discuss how the formalism, originally developed for…

Nuclear Theory · Physics 2019-08-14 F. Arias de Saavedra , C. Bisconti , G. Co' , A. Fabrocini

Recent experimental studies have led to the suggestion that short-range correlations may be a major contributor to the nuclear EMC effect. This hypothesis requires that the structure function for nucleons involved in short-range…

High Energy Physics - Phenomenology · Physics 2024-03-22 Wanli Xing , Xuan-Gong Wang , Anthony W. Thomas

The influence of correlations on the momentum distribution of nucleons in nuclei is evaluated starting from a realistic nucleon-nucleon interaction. The calculations are performed directly for the finite nucleus $\,^{16}$O making use of the…

Nuclear Theory · Physics 2016-08-15 K. Amir-Azimi-Nili , H. Müther , L. D. Skouras , A. Polls

The structure and density dependence of the pairing gap in infinite matter is relevant for astrophysical phenomena and provides a starting point for the discussion of pairing properties in nuclear structure. Short-range correlations can…

Nuclear Theory · Physics 2017-10-27 A. Rios , A. Polls , W. H. Dickhoff

Atomic nuclei are complex strongly interacting systems and their exact theoretical description is a long-standing challenge. An approximate description of nuclei can be achieved by separating its short and long range structure. This…

Nuclear Theory · Physics 2018-05-08 R. Weiss , R. Cruz-Torres , N. Barnea , E. Piasetzky , O. Hen

One-nucleon emission processes induced by photon absorption are studied by considering short-range correlations effects. At energies above the giant resonance region the validity of the direct knock-out model has been tested by comparison…

Nuclear Theory · Physics 2009-11-07 M. Anguiano , G. Co' , A. M. Lallena , S. R. Mokhtar

Correlations in the nuclear wave-function beyond the mean-field or Hartree-Fock approximation are very important to describe basic properties of nuclear structure. Various approaches to account for such correlations are described and…

Nuclear Theory · Physics 2009-11-06 H. Müther , A. Polls

A fully self-consistent treatment of short-range correlations in nuclear matter is presented. Different implementations of the determination of the nucleon spectral functions for different interactions are shown to be consistent with each…

Nuclear Theory · Physics 2009-11-10 Y. Dewulf , W. H. Dickhoff , D. Van Neck , E. R. Stoddard , M. Waroquier