Point-form analysis of elastic deuteron form factors

被引：53

作者：

Allen, TW ^{[1
]}

Klink, WH ^{[1
]}

Polyzou, WN ^{[1
]}

机构：

[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

来源：

PHYSICAL REVIEW C | 2001年 / 63卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.63.034002

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Point-form relativistic quantum mechanics is applied to elastic electron-deuteron scattering. The deuteron is modeled using relativistic interactions that are scattering-equivalent to the nonrelativistic Argonne vis and Reid '93 interactions. A point-form spectator approximation (PFSA) is introduced to define a conserved covariant current in terms of single-nucleon form factors. The PFSA is shown to provide an accurate description of data up to momentum transfers of 0.5 GeV2, but falls below the data at higher momentum transfers. Results are sensitive to the nucleon form factor parametrization chosen, particularly to the neutron electric form factor.

引用

页码：340021 / 3400213

页数：13

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