2016/05/31 by E. G. Drukarev, M. G. Ryskin, V. A. Sadovnikova
Physics and Astronomy · #Diquark #High-Energy Particle Collisions Research #Nuclear force #Nuclear matter #Nuclear physics #Nuclear physics research studies #Nucleon #Particle physics #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quark #Scalar (mathematics) #Sum rule in quantum mechanics #nucl-th
paper · pdf · doi:10.1016/j.nuclphysa.2016.12.012
21 pages, 7 figures
arxiv created 2016/12/01 · openalex publication_date 2017/01/12 · arxiv updated 2017/03/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We calculate the single-particle nucleon characteristics in symmetric nuclear matter with inclusion of the 3N interactions. The contribution of the 3N forces to the nucleon self energies are expressed in terms of the nonlocal scalar condensate (d=3) and of the configuration of the two four-quark condensates (d=6) in which two diquark operators act on two different nucleons of the matter. The most important part of the contribution of the four-quark condensate is calculated in a model-independent way. We employed a relativistic quark model of nucleon for calculation of the rest part. The density dependence of the vector and scalar nucleon self energies and of the single-particle potential energy are obtained.