从奇异矢量玻色子交换寻找可能的中子长程自旋相关相互作用
A Search for Possible Long Range Spin Dependent Interactions of the Neutron From Exotic Vector Boson Exchange
摘要：
我们提出了一个搜索可能的自旋相关的相互作用的中子与物质通过交换自旋1玻色子与轴向矢量耦合设想在可能的扩展的标准模型。这是使用慢中子偏振计来寻求的，该慢中子偏振计使横向极化的慢中子通过未极化的材料板，所述材料板被布置成使得这种相互作用将使极化平面倾斜并沿着中子动量发展分量。旋转角度$ϕ'_{V_5} = [2.8\pm\,4.6(stat.)\pm\,4.0(sys.)]\times 10^{-5}~\mbox{rad/m}$的结果与零一致。这一结果提高了约三个数量级的力范围内的毫米- $μ$ m制度的中子-物质耦合$g_{A}^{2}$从这样的相互作用的上限。
英文摘要：
We present a search for possible spin dependent interactions of the neutron with matter through exchange of spin 1 bosons with axial vector couplings as envisioned in possible extensions of the Standard Model. This was sought using a slow neutron polarimeter that passed transversely polarized slow neutrons by unpolarized slabs of material arranged so that this interaction would tilt the plane of polarization and develop a component along the neutron momentum. The result for the rotation angle, $ϕ'_{V_5} = [2.8\pm\,4.6(stat.)\pm\,4.0(sys.)]\times 10^{-5}~\mbox{rad/m}$ is consistent with zero. This result improves the upper bounds on the neutron-matter coupling $g_{A}^{2}$ from such an interaction by about three orders of magnitude for force ranges in the mm-$μ$m regime.
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