▁H 2 O ) ▁and ▁SK ▁( p ure ▁H 2 O ) ▁forces ▁us ▁to ▁rely ▁on ▁cross - section ▁models ▁to ▁dis ent angle ▁the ▁H 2 O ▁cross - section ▁estimate ▁from ▁the ▁CH ▁one . ▁The ▁fraction ▁of ▁water ▁in ▁W AG AS CI ▁water - sc int ill ator ▁modules ▁is ▁ 8 0 % ▁en abling ▁a ▁measurement ▁of ▁the ▁charged - current ▁neut r ino ▁cross - section ▁ratio ▁between ▁water ▁( H 2 O ) ▁and ▁pl astic ▁( CH ) ▁with ▁ 3 % ▁accuracy . ▁ ▁The ▁new ▁det ector ▁will ▁provide ▁measurements ▁of ▁various ▁charged - current ▁neut r ino ▁interaction ▁channels ▁with ▁high ▁precision , ▁lower ▁momentum ▁threshold ▁and ▁full ▁angular ▁accept ance . ▁These ▁will ▁const rain ▁flux ▁and ▁cross - section ▁models ▁un cert aint ies ▁for ▁the ▁particles ▁produced ▁at ▁high ▁angles . ▁These ▁assets ▁will ▁also ▁facil itate ▁detection ▁of ▁low ▁momentum ▁had rons ▁produced ▁in ▁the ▁interaction ▁of ▁the ▁neut r ino ▁with ▁bounded ▁states ▁of ▁ 2 ▁nucle ons ▁or ▁through ▁re inter actions ▁inside ▁the ▁target ▁nucle us ▁of ▁particles ▁produced ▁by ▁the ▁neut r ino , ▁and ▁thus ▁better ▁mod elling ▁of ▁such ▁interactions ▁in ▁the ▁far ▁det ector . ▁ ▁Location ▁at ▁the ▁same ▁distance ▁of ▁ 2 8 0 ▁meters ▁from ▁the ▁graph ite ▁target ▁as ▁N D 2 8 0 ▁and ▁IN GR ID ▁detect ors , ▁but ▁at ▁a ▁different ▁off - axis ▁angle ▁of ▁ 1 . 5