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Electromagnetic scaling functions within the Green's function Monte Carlo approach

2017/01/18 by Noemi Rocco, N. Rocco, Luis Alvarez-Ruso +4
Mathematics · Physics and Astronomy · #Function (biology) #Geometry #High-Energy Particle Collisions Research #Mathematics #Monte Carlo method #Nuclear physics research studies #Physics #Proton #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum mechanics #Scaling #Statistical physics #Transverse plane #hep-ex #nucl-th

paper · pdf · doi:10.1103/physrevc.96.015504

published as Phys. Rev. C 96, 015504 (2017) · 11 pages, 15 figures

arxiv created 2017/01/18 · openalex publication_date 2017/07/24 · arxiv updated 2017/08/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We have studied the scaling properties of the electromagnetic response functions of 4He and 12C nuclei computed by the Green's function Monte Carlo approach, retaining only the one-body current contribution. Longitudinal and transverse scaling functions have been obtained in the relativistic and nonrelativistic cases and compared to experiment for various kinematics. The characteristic asymmetric shape of the scaling function exhibited by data emerges in the calculations in spite of the nonrelativistic nature of the model. The results are mostly consistent with scaling of zeroth, first, and second kinds. Our analysis reveals a direct correspondence between the scaling and the nucleon-density response functions. The scaling function obtained from the proton-density response displays scaling of the first kind, even more evidently than the longitudinal and transverse scaling functions.

Citations