Exploring a Low-Energy Frontier of Particle Physics Using Methods of Experimental Gravitation

该奖项将继续阿德尔伯格教授小组在实验引力和低能基本粒子物理方面的研究。将对新的宏观相互作用进行灵敏的搜索。华盛顿大学的研究小组将通过寻找弱等效原理的明显违反来探测范围大于3厘米的相互作用。他们将为此开发两种扭转平衡仪器：一种连续旋转的平衡器，与固定的地形源结合使用。该装置将被优化用于从无穷大到1米的相互作用——一个固定的天平与一个连续旋转的3吨铀源一起使用，优化用于在0.03米到10米之间的相互作用。通过在这些仪器中放置非极化测试体，他们计划在宏观标量或矢量相互作用的约束方面进行10倍的改进。他们还将开发一种新的自旋极化摆，以寻找违反单极-偶极相互作用的宇称和时间反转。

This award will continue research in experimental gravitation and low-energy elementary particle physics by Professor Adelberger's group. Sensitive searches for new macroscopic interactions will be carried out. The University of Washington team will probe interactions with ranges greater than 3 cm by looking for apparent violations of the weak equivalence principle. They will develop two torsion balance instruments for this purpose: -- a continuously rotating balance used in conjunction with a fixed topographic source. This device will be optimized for interactions with ranges from infinity down to 1m. -- a stationary balance used in conjunction with a continuously rotating 3 ton uranium source optimized for interactions with ranges between 0.03m and 10m. By placing unpolarized test bodies in these instruments they plan a 10-fold improvement in constraints on macroscopic scalar or vector interactions. They will also develop a novel spin-polarized pendulum to search for parity and time-reversal violating monopole-dipole interactions.