Effective Spectral Function for Quasielastic Scattering on Nuclei

被引：3

作者：

Bodek, A. ^{[1
]}

Christy, M. E. ^{[2
]}

Coopersmith, B. ^{[1
]}

机构：

[1] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[2] Hampton Univ, Dept Phys, Hampton, VA 23668 USA

来源：

NUCLEAR AND PARTICLE PHYSICS PROCEEDINGS | 2016年 / 273卷

关键词：

Spectral Functions; Quasielastic; Electron Scattering; Neutrino Scattering; MONTE-CARLO GENERATOR; ELECTRON-SCATTERING; HADRON-PRODUCTION; TARGETS;

D O I：

10.1016/j.nuclphysbps.2015.09.275

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Spectral functions do not fully describe quasielastic electron and neutrino scattering from nuclei because they only model the initial state. Final state interactions distort the shape of the differential cross section at the peak and increase the cross section at the tails of the distribution. We show that the kinematic distributions predicted by the psi' super scaling formalism can be well described with a modified effective spectral function (ESF). By construction, models using ESF in combination with the transverse enhancement contribution correctly predict electron QE scattering data. Our values for the binding energy parameter Delta are smaller than (epsilon) over bar extracted within the Fermi gas model from pre 1971 data by Moniz[8], probably because these early cross sections were not corrected for coulomb effects.

引用

页码：1705 / 1710

页数：6

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