EUV到VIS光子与带电粒子多重符合实验装置--立体角最大化方法
Set-up for multi coincidence experiments of EUV to VIS photons and charged particles -- the solid angle maximization approach
摘要：
粒子的符合探测是实验物理学中的一种强有力的方法，可以用来研究各种弹靶相互作用。绝大多数符合实验是用带电粒子进行的，因为它们可以被电场或磁场引导以产生大的检测概率。当中性物质或光子是符合记录的粒子之一时，其检测概率通常受到小立体角的影响。在这里，我们提出了两个光学组件，大大提高了立体角的EUV到VIS光子检测。这些组件的效率和多功能性证明了电子-光子符合检测，其中电子和光子出现的气体样品的光激发后，由同步辐射的基本过程。
英文摘要：
The coincident detection of particles is a powerful method in experimental physics, enabling the investigation of a variety of projectile-target interactions. The vast majority of coincidence experiments is performed with charged particles, as they can be guided by electric or magnetic fields to yield large detection probabilities. When a neutral species or a photon is one of the particles recorded in coincidence, its detection probability typically suffers from small solid angles. Here, we present two optical assemblies considerably enhancing the solid angle for EUV to VIS photon detection. The efficiency and versatility of these assemblies is demonstrated for electron-photon coincidence detection, where electrons and photons emerge from fundamental processes after photoexcitation of gaseous samples by synchrotron radiation.
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