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The problem of nucleon-nucleon correlations and meson exchange currents has been vividly debated in connection with the neutrino-nucleus cross sections. In this work we focus on nucleon-nucleon correlations by discussing a formal…

Nuclear Theory · Physics 2021-11-17 G. Chanfray , M. Ericson , M. Martini

Radiation technologies have found wide application in power engineering, medicine, biology and other areas of human activities. However, theoretical calculations of nuclear reactions and, correspondingly, the interpretation of experimental…

Nuclear Experiment · Physics 2013-12-10 Yu. P. Lyakhno

We have extended our model for charged current neutrino-nucleus interactions to neutral current reactions. For the elementary neutrino-nucleon interaction, we take into account quasielastic scattering, Delta excitation and the excitation of…

Nuclear Theory · Physics 2008-11-26 T. Leitner , L. Alvarez-Ruso , U. Mosel

The influence of nucleon-nucleon short-ranged correlations (SRC) on nuclear super-allowed $\beta$ decay is examined. The need for this is driven by the observed depletion of spectroscopic strength obtained in studies of $(e,e')$ and…

Nuclear Theory · Physics 2022-12-21 Levi Condren , Gerald A. Miller

The influence of $\Delta$ isobar components on the ground state properties of nuclear systems is investigated for nuclear matter as well as finite nuclei. Many-body wave functions, including isobar configurations, and binding energies are…

Nuclear Theory · Physics 2009-11-07 T. Frick , S. Kaiser , H. Müther , A. Polls , D. R. Entem , R. Machleidt

Results of electron-induced one- and two-nucleon hard knockout reactions, $A(e,e'p)$ and $A(e,e'pN)$, in kinematics sensitive to nuclear short-range correlations, are studied using the nuclear contact formalism. A relation between the…

Nuclear Theory · Physics 2019-03-27 Ronen Weiss , Igor Korover , Eliezer Piasetzky , Or Hen , Nir Barnea

$\Delta$ isobar components in the nuclear many-body wave function are investigated for the deuteron, light nuclei (${}^{16}O$) and infinite nuclear matter within the framework of the coupled-cluster theory. The predictions derived for…

Nuclear Theory · Physics 2009-11-07 T. Frick , S. Kaiser , H. Müther , A. Polls

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

Correlation functions as they can be observed in heavy-ion collisions using the femtoscopy technique are a powerful tool to study the interaction among different baryons or mesons. Specifically, the multi-nucleon correlation functions have…

Nuclear Theory · Physics 2025-05-22 Matthias Göbel , Alejandro Kievsky

After a short review of the recent developments in studies of neutrino-nucleus interactions, the predictions for double-differential and integrated charged current-induced quasielastic cross sections are presented within two different…

Nuclear Theory · Physics 2015-05-30 M. B. Barbaro

The deep inelastic scattering of leptons off nuclei is considered within the the Bethe-Salpeter formalism. It is shown that nuclear short-range structure can be expressed in terms of the nucleon structure functions and four-dimensional…

Nuclear Theory · Physics 2007-05-23 Alexander Molochkov

Nucleon recoil polarization in electromagnetic reactions with two-nucleon emission is discussed for both (${\vec e},e'{\vec N}N$) and (${\vec \gamma},{\vec N}N$). Numerical results are given for exclusive two-nucleon knockout reactions from…

Nuclear Theory · Physics 2016-09-08 C. Giusti , F. D. Pacati

We investigate charged-current neutrino-nucleus deep inelastic scattering with particular interests in relationship of short range correlation (SRC) and EMC effect. The structure functions $F^A_2(x,Q^2)$, $x F^A_3(x,Q^2)$ and ratios of…

High Energy Physics - Phenomenology · Physics 2021-08-25 Fei Huang , Ji Xu , Xing-Hua Yang

Short range correlated nucleon-nucleon ($NN$) pairs are an important part of the nuclear ground state. They are typically studied by scattering an electron from one nucleon in the pair and detecting its spectator correlated partner…

Instrumentation and Detectors · Physics 2022-05-17 F. Hauenstein , A. Jentsch , J. R. Pybus , A. Kiral , M. D. Baker , Y. Furletova , O. Hen , D. W. Higinbotham , C. Hyde , V. Morozov , D. Romanov , L. B. Weinstein

The role of the nucleon recoil corrections in low--energy meson--nucleus interactions is examined. We demonstrate explicitly when calculations within the static approximation are justified and when the recoil terms need to be kept explictly…

Nuclear Theory · Physics 2008-11-26 V. Baru , C. Hanhart , A. E. Kudryavtsev , U. -G. Meißner

The nucleon-nucleon short-range correlation NN-SRC is one of the key issues of nuclear physics, which typically manifest themselves in high-momentum components of the nuclear momentum distributions. In this letter, the nuclear spectral…

Nuclear Theory · Physics 2022-10-27 Qinglin Niu , Jian Liu , Yuanlong Guo , Chang Xu , Mengjiao Lyu , Zhongzhou Ren

The quantitative description of the effects of nuclear dynamics on the measured neutrino-nucleus cross sections -- needed to reduce the systematic uncertainty of long baseline neutrino oscillation experiments -- involves severe…

Nuclear Theory · Physics 2015-08-19 Omar Benhar , Noemi Rocco

Cross sections and photon asymmetries of the exclusive 16O(\gamma,pn)14N and 16O(\gamma,pp)14C knockout reactions are calculated for transitions to the low-lying discrete final states of the residual nucleus in the photon-energy range…

Nuclear Theory · Physics 2009-10-31 C. Giusti , F. D. Pacati

It is shown that new data from the HERMES collaboration, as well as all of the earlier improved data from experiments concerning the EMC effect and shadowing in deep-inelastic scattering of leptons from nuclei, provide strong evidence for…

High Energy Physics - Phenomenology · Physics 2011-07-19 Saul Barshay , Georg Kreyerhoff

The similarities in the experimental indications for multinucleon mechanisms in $(\gamma,p)$ and $(e,e'p)$ processes are pointed out. For both types of reactions, the substantial role of two-nucleon emission processes for transitions to…

Nuclear Theory · Physics 2009-10-22 J. Ryckebusch , L. Machenil , M. Vanderhaeghen , V. Van der Sluys , M. Waroquier