<s>
A	O
time-of-flight	O
(	O
TOF	O
)	O
detector	O
is	O
a	O
particle	B-Algorithm
detector	I-Algorithm
which	O
can	O
discriminate	O
between	O
a	O
lighter	O
and	O
a	O
heavier	O
elementary	O
particle	O
of	O
same	O
momentum	O
using	O
their	O
time	O
of	O
flight	O
between	O
two	O
scintillators	O
.	O
</s>
