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Covariant spectator theory of n p scattering: Deuteron form factors

机译:N P分布的协调观论:氘核形式因素

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摘要

The deuteron form factors are calculated using two model wave functions obtained from the 2007 covariant spectator theory high-precision fits to np scattering data. Included in the calculation is a new class of isoscalar np interaction currents which are automatically generated by the nuclear force model used in these fits. If the nuclear model WJC2 is used, a precision fit (chi(2)/datum (sic) 1) to the Sick global analysis (GA) of all ed elastic scattering data can be obtained by adjusting the unknown off-shell nucleon form factors F-3(Q(2)) (discussed before) and F-4(Q(2)) (introduced in this paper) and predicting the high-Q(2) behavior of the neutron charge form factor G(En)(Q(2)) well beyond the region where it has been measured directly. Relativistic corrections, isoscalar interaction currents, and off-shell effects are defined and discussed, and their sizes are displayed. A rationale for extending ed elastic scattering measurements to higher Q(2) is presented.
机译:使用从2007年协助观众理论高精度获得的两个模型波函数来计算Deuteron形式因子,从而符合NP散射数据。 在计算中包括新类的ISOSCALAR NP交互电流,这些电流由这些配合中使用的核力模型自动产生。 如果使用核模型WJC2,则通过调整未知的脱壳核心形状因子,可以获得对所有ED弹性散射数据的病态全局分析(GA)的精确配合(Chi(2)/ DATUM(SiC)1) F-3(Q(2))(讨论之前)和F-4(Q(2))(在本文中介绍)并预测中子电荷形式因子G(EN)的高Q(2)行为( Q(2))远远超出直接测量的区域。 定义和讨论了相对论的校正,isoscalar交互电流和脱壳效果,并显示它们的尺寸。 提出了一种用于将ED弹性散射测量延伸到更高Q(2)的基本原理。

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