arXiv 1907.062622019-07physics.ins-det

用于奇异原子X射线实验的TES阵列的带电粒子撞击效应抑制

Mitigating the effects of charged particle strikes on TES arrays for exotic atom X-ray experiments

H. Tatsuno, D. A. Bennett, W. B. Doriese, M. Durkin, J. W. Fowler, J. D. Gard, T. Hashimoto, R. Hayakawa, T. Hayashi, G. C. Hilton, Y. Ichinohe, H. Noda, G. C. … 展开作者

H. Tatsuno, D. A. Bennett, W. B. Doriese, M. Durkin, J. W. Fowler, J. D. Gard, T. Hashimoto, R. Hayakawa, T. Hayashi, G. C. Hilton, Y. Ichinohe, H. Noda, G. C. O'Neil, S. Okada, C. D. Reintsema, D. R. Schmidt, D. S. Swetz, J. N. Ullom, S. Yamada

备注：: Proceedings of the LTD18 conference, accepted
DOI：: 10.1007/s10909-020-02484-5

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摘要：

奇异原子实验将过渡边缘传感器（TES）微热计阵列置于高能带电粒子丰富的环境中。当高能带电粒子穿过TES阵列的硅衬底时，由于热串扰，大量能量被沉积并且跨TES阵列中的多个像素生成小脉冲。我们已经开发了分析技术，以评估和减少带电粒子事件对奇异原子X射线测量的影响。使用这种技术，由于堆积的X射线峰的高能量和低能量分量被消除，提高能量分辨率从6.6 eV到5.7 eV在6.9 keV。

英文摘要：

Exotic atom experiments place transition-edge-sensor (TES) microcalorimeter arrays in a high-energy charged particle rich environment. When a high-energy charged particle passes through the silicon substrate of a TES array, a large amount of energy is deposited and small pulses are generated across multiple pixels in the TES array due to thermal crosstalk. We have developed analysis techniques to assess and reduce the effects of charged particle events on exotic atom X-ray measurements. Using this technique, the high-energy and low-energy components of the X-ray peaks due to pileup are eliminated, improving the energy resolution from 6.6 eV to 5.7 eV at 6.9 keV.

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