雪人2021感兴趣的信：多门神天体物理学的探测（诗）

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雪人2021感兴趣的信：多门神天体物理学的探测（诗）

Snowmass 2021 Letter of Interest: The Probe Of Multi-Messenger Astrophysics (POEMMA)

论文作者

Olinto, A. V., Sarazin, F., Adams, J. H., Aloisio, R., Anchordoqui, L. A., Bagheri, M., Barghini, D., Battisti, M., Bergman, D. R., Bertaina, M. E., Bertone, P. F., Bisconti, F., Bustamante, M., Casolino, M., Christl, M. J., Cummings, A. L., De Mitri, I., Diesing, R., Engel, R., Eser, J., Fang, K., Fillipatos, G., Fenu, F., Gazda, E., Guepin, C., Hays, E. A., Judd, E. G., Klimov, P., Krizmanic, J., Kungel, V., Kuznetsov, E., Mackovjak, S., Marcelli, L., McEnery, J., Merenda, K. -D., Meyer, S. S., Mitchell, J. W., Miyamoto, H., Nachtman, J. M., Neronov, A., Oikonomou, F., Onel, Y., Otte, A. N., Parizot, E., Paul, T., Perkins, J. S., Picozza, P., Piotrowski, L. W., Prevot, G., Reardon, P., Reno, M. H., Ricci, M., Matamala, O. Romero, Shinozaki, K., Soriano, J. F., Stecker, F., Takizawa, Y., Ulrich, R., Unger, M., Venters, T. M., Wiencke, L., Winn, D., Young, R. M., Zotov, M.

论文摘要

极端多理智天体物理学（诗歌）的探测旨在识别超高能量宇宙射线（UHECRS）的来源，并观察宇宙中微子，均具有全套覆盖的范围。作为NASA天体物理学探测级任务，诗歌由两个航天器组成，在525 km高度为28.5度倾斜轨道的飞机上飞行。每个航天器均设有一个带有较大收集区域和广阔视野的Schmidt望远镜。优化了一种新型的焦平面，以观察来自广泛的空气淋浴（EASS）的UV荧光信号和EAS的光束光学Cherenkov信号。在Poemma-Stereo荧光模式中，Poemma将测量高于20 EEV的UHECR的光谱，组成和全面分布，具有高统计数据，并且对UHE中微子的敏感性显着。该航天器的设计目的是快速重新定向诗歌limb模式，以观察中微子的发射，从地球肢体下方观察到的瞬时天体物理学。在这种模式下，通过测量在地球内中微子tau的相互作用后，诗歌对20 PEV上方的宇宙中微子TAU事件具有独特的敏感性。

The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to identify the sources of Ultra-High-Energy Cosmic Rays (UHECRs) and to observe cosmic neutrinos, both with full-sky coverage. Developed as a NASA Astrophysics Probe-class mission, POEMMA consists of two spacecraft flying in a loose formation at 525 km altitude, 28.5 deg inclination orbits. Each spacecraft hosts a Schmidt telescope with a large collecting area and wide field of view. A novel focal plane is optimized to observe both the UV fluorescence signal from extensive air showers (EASs) and the beamed optical Cherenkov signals from EASs. In POEMMA-stereo fluorescence mode, POEMMA will measure the spectrum, composition, and full-sky distribution of the UHECRs above 20 EeV with high statistics along with remarkable sensitivity to UHE neutrinos. The spacecraft are designed to quickly re-orient to a POEMMA-limb mode to observe neutrino emission from Target-of-Opportunity (ToO) transient astrophysical sources viewed just below the Earth's limb. In this mode, POEMMA will have unique sensitivity to cosmic neutrino tau events above 20 PeV by measuring the upward-moving EASs induced by the decay of the emerging tau leptons following the interactions of neutrino tau inside the Earth.

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