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Three-nucleon forces are crucial for the accurate description of nuclear systems, including dense matter probed in neutron stars. We explore nuclear Hamiltonians that reproduce two-nucleon scattering data and properties of light nuclei, but…

High Energy Astrophysical Phenomena · Physics 2023-03-21 Henrik Rose , Nina Kunert , Tim Dietrich , Peter T. H. Pang , Rory Smith , Chris Van Den Broeck , Stefano Gandolfi , Ingo Tews

Understanding hadronic interactions is crucial for investigating the properties of unstable hadrons, since measuring physical quantities for unstable hadrons including the resonance mass and decay width requires simultaneous calculations of…

High Energy Physics - Lattice · Physics 2015-03-31 Takeshi Yamazaki

The proton-proton momentum correlation function from different rapidity regions are systematically investigated for the Au + Au collisions at different impact parameters and different energies from 400$A$ MeV to 1500$A$ MeV in the framework…

Nuclear Theory · Physics 2018-03-26 Ting-Ting Wang , Yu-Gang Ma , Chun-Jian Zhang , Zheng-Qiao Zhang

The two-nucleon spectral function in nuclear matter is studied using Correlated Basis Function perturbation theory, including central and tensor correlations produceded by a realistic hamiltonian. The factorization property of the…

Nuclear Theory · Physics 2009-10-31 Omar Benhar , Adelchi Fabrocini

We investigate single-particle properties in infinite nuclear matter using a variety of interactions. One of the focal points is to study the impact of chiral three-nucleon forces on the nucleon self-energy and related quantities, such as…

Nuclear Theory · Physics 2020-12-10 Francesca Sammarruca , Herbert Muether , Ruprecht Machleidt

Several nucleon-nucleon potentials, Paris, Nijmegen, Argonne, and those derived by quantum inversion, which describe the NN interaction for T-lab below 300$ MeV are extended in their range of application as NN optical models. Extensions are…

Nuclear Theory · Physics 2009-11-07 A. Funk , H. V. von Geramb , K. A. Amos

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 strong interaction among hadrons has been measured in the past by scattering experiments. Although this technique has been extremely successful in providing information about the nucleon-nucleon and pion-nucleon interactions, when…

Nuclear Experiment · Physics 2021-09-28 L. Fabbietti , V. Mantovani Sarti , O. Vazquez Doce

The strong interaction effects of isospin- and spin-dependent nucleon-nucleon correlations observed in many-body calculations are interpreted in terms of a one-pion exchange mechanism. Including such effects in computations of nuclear…

Nuclear Theory · Physics 2009-11-10 Gerald A. Miller

Nuclear structure functions at small x and small or moderate $Q^2$ are studied using the relation with diffraction on nucleons which arises from Gribov's Reggeon Calculus. A reasonable description of experimental data is obtained with no…

High Energy Physics - Phenomenology · Physics 2011-09-13 N. Armesto , A. Capella , A. B. Kaidalov , J. Lopez-Albacete , C. A. Salgado

The overlap of the nucleons in nuclei plays an important role in understanding the nuclear dependence of deep inelastic scattering data. It is shown that the nuclear modification of the higher twist scale can be essentially determined by…

Nuclear Theory · Physics 2009-11-10 P. Castorina

The notion of the "size" of nucleons and their constituents plays a pivotal role in the current paradigm of the formation and the fluctuations of the quark-gluon plasma produced in high-energy nuclear collision experiments. We report on…

Nuclear Theory · Physics 2022-02-09 Giuliano Giacalone , Björn Schenke , Chun Shen

The neutrino-nucleus reactions are studied at energies from 0 to 3 GeV, using the CRISP program. To simulate these reactions, CRISP uses the Monte Carlo method through an intranuclear cascade model. Quase-elastic and baryonic resonance…

Nuclear Theory · Physics 2022-04-06 R. Perez , A. Deppman , Evandro Andrade-II , A. R. Samana , F. G. Velasco , F. Guzmán

Dynamical and thermal characterizations of excited nuclear systems produced during the collisions between two heavy ions at intermediate incident energies are presented by means of a review of experimental and theoretical work performed in…

Nuclear Experiment · Physics 2009-11-11 G. Verde , A. Chbihi , R. Ghetti , J. Helgesson

The consideration is presented of possible neutron experiments to search for new short-range spin-dependent forces. The spin-dependent nucleon-nucleon interaction between neutron and nuclei may cause different effects: phase shift of a…

Nuclear Experiment · Physics 2015-05-28 Yu. N. Pokotilovski

Theoretical study on hypernuclear systems is important to know the nature of hyperon-nucleon and hyperon-hyperon interaction as only hypernuclear systems give the scope of knowing these interactions. A hypernucleus, in addition to the…

Nuclear Theory · Physics 2024-11-05 Bhupali Sharma

Using the Hellmann--Feynman theorem we analyze the contribution of the different terms of the nucleon-nucleon interaction to the spin symmetry energy of neutron matter. The analysis is performed within the microscopic…

Nuclear Theory · Physics 2016-11-08 Isaac Vidana , Artur Polls , Victoria Durant

We consider here the bremsstrahlung emission of photons at low and intermediate energies $ E_{lab}\le 1000 MeV/u$ of the projectile. and derive expressions more general than previous results obtained by Neuhauser which were limited to the…

High Energy Physics - Phenomenology · Physics 2010-11-01 L. V. Razumov , R. M. Weiner

We report on investigations of the applicability of non-relativistic constituent quark models to the low-energy nucleon-nucleon (NN) interaction. The major innovations of a resulting NN potential are the use of the $^3$P$_0$ decay model and…

Nuclear Theory · Physics 2015-05-18 Clark Downum , Jirina Stone , Ted Barnes , Eric Swanson , Isaac Vidana