The schematic view of the inner part of the proposed upgraded configuration of the ND280 detector with two additional horizontal TPCs (HA-TPCs) and Super-FGD between them.
D. Attie et al.
CC BY 4.0
<a rel="nofollow" class="external free" href="https://arxiv.org/abs/1907.07060">https://arxiv.org/abs/1907.07060</a>