论文标题
双相晶体/蒸气氙时间投影室的操作和性能
Operation and performance of a dual-phase crystalline/vapor xenon time projection chamber
论文作者
论文摘要
我们已经建立并操作了结晶/蒸气氙TPC，目的是改善对暗物质的搜索。该仪器的动机是，β从ra衰减链到基态的衰减目前限制了最先进的液体/蒸气氙气实验。相反，由于其衰减的时间和能量特征，晶体氙靶具有标记和拒绝ra链背景的潜力。本文是电子信号读数的具有电发光（气体增益）的结晶/蒸气氙TPC的首次演示。它还表明，与先前的结果相反，晶氙的闪烁产量似乎与液体氙气相同。
We have built and operated a crystalline/vapor xenon TPC, with the goal of improving searches for dark matter. The motivation for this instrument is the fact that beta decays from the radon decay chain to the ground state presently limit the state-of-the-art liquid/vapor xenon experiments. In contrast, a crystalline xenon target has the potential to tag and reject radon-chain backgrounds, due to the time and energy signature of their decays. The present article is the first demonstration of a crystalline/vapor xenon TPC with electroluminescence (gas gain) for the electron signal readout. It also shows that the scintillation yield in crystalline xenon appears to be identical to that in liquid xenon, in contrast to previous results.
