Superscaling analysis of inclusive electron and (anti)neutrino scattering within the coherent density fluctuation model

التفاصيل البيبلوغرافية
العنوان: Superscaling analysis of inclusive electron and (anti)neutrino scattering within the coherent density fluctuation model
المؤلفون: Ivanov, M. V., Antonov, A. N.
سنة النشر: 2024
المجموعة: Nuclear Theory
مصطلحات موضوعية: Nuclear Theory
الوصف: The experimental data from quasielastic electron and (anti)neutrino scattering on $^{12}$C are reanalyzed in terms of a new scaling variable $\psi^*$ suggested by the interacting relativistic Fermi gas with scalar and vector interactions, which is known to generate a relativistic effective mass for the interacting nucleons. We construct a new scaling function $f^\text{QE}(\psi^*)$ for the inclusive lepton scattering from nuclei within the coherent density fluctuation model (CDFM). The latter is a natural extension of the relativistic Fermi gas model to finite nuclei. In this work, on the basis of the scaling function obtained within CDFM with a relativistic effective mass $m_N^* =0.8 m_N$, we calculate and compare the theoretical predictions with a large set of experimental data for inclusive ($e,e'$) and (anti)neutrino cross sections. The model also includes the contribution of weak two-body currents in the two-particle two-hole sector, evaluated within a fully relativistic Fermi gas. Good agreement with experimental data is found over the whole range of electron and (anti)neutrino energies.
Comment: 15 pages, 11 figures. Accepted for publication in Physical Review C
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2406.07190
رقم الانضمام: edsarx.2406.07190
قاعدة البيانات: arXiv