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Measurements Of G(E)(N)/G(M)(N) From The H-2((E)Over-Right-Arrow-E '(E)Over-Right-Arrow)H-1 Reaction To Q(2)=1.45 (Gev/C)(2)

Physical Review Letters(2003)SCI 1区

Kent State Univ

Cited 173|Views53
Abstract
We report new measurements of the ratio of the electric form factor to the magnetic form factor of the neutron, G(E)(n)/G(M)(n), obtained via recoil polarimetry from the quasielastic H-2((e) over right arrow ,e(')(n) over right arrow)H-1 reaction at Q(2) values of 0.45, 1.13, and 1.45 (GeV/c)(2) with relative statistical uncertainties of 7.6% and 8.4% at the two higher Q(2) points, which points have never been achieved in polarization measurements.
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要点】:本文报道了利用准弹性H-2((e) over right arrow ,e(')(n) over right arrow)H-1反应在Q(2)为0.45, 1.13和1.45 (GeV/c)(2)处测量得到的质子电形状因子与磁形状因子之比G(E)(n)/G(M)(n)的新数据,其相对统计不确定度在两个较高的Q(2)点达到了7.6%和8.4%,这些点在极化测量中从未被达到。

方法】:研究采用反冲极化技术进行测量。

实验】:实验通过在Q(2)为0.45, 1.13和1.45 (GeV/c)(2)的条件下进行准弹性H-2((e) over right arrow ,e(')(n) over right arrow)H-1反应来获取数据,具体数据集名称未在文本中提及,但实验结果显示在较高Q(2)点的相对统计不确定度分别为7.6%和8.4%。