回旋辐射发射光谱实验中的电子辐射功率
Electron Radiated Power in Cyclotron Radiation Emission Spectroscopy Experiments
摘要：
回旋辐射发射光谱（CRES）技术是近年来发展起来的一种利用磁瓶中电子回旋运动的频率信息来推断其动能的技术。在这里，我们从第一性原理推导出预期的射频信号从波导CRES装置中的电子。我们表明，频域信号是丰富的信息，有关电子的运动参数，并提取一组可测量的，在一个适当设计的系统是足够的解开电子的动能从其余的运动学特征。这为未来CRES实验中的高分辨率能量测量奠定了基础，例如Project 8中微子质量测量。
英文摘要：
The recently developed technique of Cyclotron Radiation Emission Spectroscopy (CRES) uses frequency information from the cyclotron motion of an electron in a magnetic bottle to infer its kinetic energy. Here we derive the expected radio frequency signal from an electron in a waveguide CRES apparatus from first principles. We demonstrate that the frequency-domain signal is rich in information about the electron's kinematic parameters, and extract a set of measurables that in a suitably designed system are sufficient for disentangling the electron's kinetic energy from the rest of its kinematic features. This lays the groundwork for high-resolution energy measurements in future CRES experiments, such as the Project 8 neutrino mass measurement.
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