  Dark matter (DM) nature is one of the major issues in physics. The search for
a DM candidate has motivated the known proposal of an ultralight scalar field
(ULSF). We explore the possibility to search for this ULSF at the upcoming
European Spallation Source neutrino Super-Beam experiment. We have considered
the recent study case in which there could be an interaction between the ULSF
and active neutrinos. We have found that in this future experimental setup, the
sensitivity is competitive with other neutrino physics experiments. We show the
expected future sensitivity for the main parameter modeling the interaction
between ULSF and neutrinos.
