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Related papers: Many-body effects in 16O(e,e'p)

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The reduced cross section for exclusive ($e,e'p$) reactions has been studied in DWIA for the example of the nucleus $^{16}$O using a spectral function containing effects of correlations. The spectral function is evaluated directly for the…

Nuclear Theory · Physics 2009-10-30 K. Amir-Azimi-Nili , J. M. Udias , H. Müther , L. D. Skouras , A. Polls

The cross sections of the ($e,e'N$) and ($\gamma,p$) reactions on $^{16}$O are calculated, for the transitions to the $1/2^{-}$ ground state and the first $3/2^{-}$ excited state of the residual nucleus, using single-particle overlap…

Nuclear Theory · Physics 2009-10-31 M. K. Gaidarov , K. A. Pavlova , A. N. Antonov , M. V. Stoitsov , S. S. Dimitrova , C. Giusti

A study of the effects of short-range correlations over the (e,e'p) reaction for low missing energy in closed shell nuclei is presented. We use correlated, quasi-hole overlap functions extracted from the asymptotic behavior of the one-body…

Nuclear Theory · Physics 2008-11-26 M. Mazziotta , J. E. Amaro , F. Arias de Saavedra

The influence of short-range correlations on the $p$-wave single-particle spectral function in $^{16}{\rm O}$ is studied as a function of energy. This influence, which is represented by the admixture of high-momentum components, is found to…

Nuclear Theory · Physics 2008-11-26 H. Müther , W. H. Dickhoff

The cross sections for electron induced two-nucleon knockout reactions are evaluated for the example of the $^{16}$O(e,e$'$pn)$^{14}$N reaction leading to discrete states in the residual nucleus $^{14}$N. These calculations account for the…

Nuclear Theory · Physics 2009-10-31 C. Giusti , H. Müther , F. D. Pacati , M. Stauf

Correlations in the nuclear wave-function beyond the mean-field or Hartree-Fock approximation are very important to describe basic properties of nuclear structure. Attempts are made to explore details of these correlations in exclusive…

Nuclear Theory · Physics 2007-05-23 H. Müther

Calculations of the $^{16}$O$(e,e'pN)$ cross sections to the ground state and first excited levels of the $^{14}$C and $^{14}$N nuclei are presented. The effects of nuclear fragmentation have been obtained in a self-consistent approach and…

Nuclear Theory · Physics 2009-11-10 C. Barbieri , C. Giusti , F. D. Pacati , W. H. Dickhoff

Some of the recent attempts to detect signals of nucleon-nucleon correlations with semi-exclusive A(e,e'p) and exclusive A(e,e'pN) processes are reviewed. Unfactorized and distorted-wave calculations for these processes are discussed. The…

Nuclear Theory · Physics 2007-05-23 J. Ryckebusch

The role played by nucleon-nucleon short-range correlations in photon- and electron-nucleus reactions is analyzed with a model which includes all the diagrams containing a single correlation function. The excitation of low-lying high-spin…

Nuclear Theory · Physics 2007-05-23 Antonio M. Lallena , Marta Anguiano , Giampaolo Co'

The effect of central, tensor and spin-isospin nucleon-nucleon correlations upon semi-exclusive ^{16}O(e,e'p) reactions is studied for Q^2 and Bjorken x values in the range $0.2 \lesssim Q^2 \lesssim 1.1 (GeV/c)^2$ and 0.15 $\lesssim$ x…

Nuclear Theory · Physics 2016-09-08 Stijn Janssen , Jan Ryckebusch , Wim Van Nespen , Dimitri Debruyne

The attempts to investigate correlations in electromagnetically induced one- and two-nucleon knockout are reviewed. The theoretical framework for cross section calculations is outlined and some results are presented for the exclusive…

Nuclear Theory · Physics 2007-05-23 C. Giusti

It is an experimental fact that multi-particle correlations in the final states of high-energy nucleus-nucleus collisions are sensitive to collective correlations of nucleons in the wave functions of the colliding nuclei. Here, I show that…

Nuclear Theory · Physics 2024-01-11 Giuliano Giacalone

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

There has been an upsurge of interest in two-nucleon decays thanks to the studies of nucleon-nucleon correlations. In our previous work, based on a novel time-dependent three-body approach, we demonstrated that the energy and angular…

Nuclear Theory · Physics 2022-09-14 S. M. Wang , W. Nazarewicz , R. J. Charity , L. G. Sobotka

We study knockout reactions with proton probes within a theoretical framework where {\it ab initio} Quantum Monte Carlo wave functions are combined with the Faddeev/Alt-Grassberger-Sandhas few-body reaction formalism. New Quantum Monte…

Nuclear Theory · Physics 2020-03-11 R. Crespo , A. Arriaga , R. B. Wiringa , E. Cravo , A. Mecca , A. Deltuva

Investigating nucleon-nucleon correlations inherent to the strong nuclear force is one of the core goals in nuclear physics research. We showcase the unique opportunities offered by collisions of $^{16}$O nuclei at high-energy facilities to…

Nuclear Theory · Physics 2025-02-17 Chunjian Zhang , Jinhui Chen , Giuliano Giacalone , Shengli Huang , Jiangyong Jia , Yu-Gang Ma

Neutrino-induced reactions on $^{16}$O are investigated by shell-model calculaions with new shell-model Hamiltonians, which can describe well the structure of $p$-shell and $p$-$sd$ shell nuclei. Distribution of the spin-dipole strengths in…

Nuclear Theory · Physics 2018-10-03 Toshio Suzuki , Satoshi Chiba , Takashi Yoshida , Koh Takahashi , Hideyuki Umeda

The spectroscopic factors for the low-lying quasi-hole states observed in the 16O(e,e'p)15N reaction are reinvestigated with a variational Monte Carlo calculation for the structure of the initial and final nucleus. A computational error in…

Nuclear Theory · Physics 2008-11-26 D. Van Neck , M. Waroquier , A. E. L. Dieperink , Steven C. Pieper , V. R. Pandharipande

The response functions for the unpolarized $(e,e'p)$ and polarized $(\vec{e},e'p)$ reaction are calculated for medium-heavy nuclei under quasifree conditions. The formalism presented here incorporates two-body currents related to…

Nuclear Theory · Physics 2008-11-26 V. Van der Sluys , J. Ryckebusch , M. Waroquier

Nuclear transparency is calculated for high-energy, semi-inclusive $(e,e'p)$ reactions, by accounting for all orders of Glauber multiple-scattering and by using realistic finite-range $p N$ interaction and (dynamically and statistically)…

Nuclear Theory · Physics 2009-10-28 Ryoichi Seki , T. D. Shoppa , Akihisa Kohama , Koichi Yazaki
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