Instead of saying “a moment”, to denote a short space of time, how about and interstice
2 : a short space of time between events
It can also be used to refer to a small gap in general.
a space that intervenes
between things; especially:
one between closely spaced things <interstices
of a wall>
b: a gap or break in something generally continuous <the interstices of society> <passages of genuine literary merit in the interstices of the ludicrous … plots — Joyce Carol Oates>