<s>
The	O
81	O
cm	O
Saclay	O
Bubble	B-Algorithm
Chamber	I-Algorithm
was	O
a	O
liquid	O
hydrogen	O
bubble	B-Algorithm
chamber	I-Algorithm
built	O
at	O
Saclay	O
,	O
in	O
collaboration	O
with	O
the	O
École	O
Polytechnique	O
(	O
Orsay	O
)	O
,	O
to	O
study	O
particle	O
physics	O
.	O
</s>
<s>
These	O
annihilations	O
generated	O
several	O
bosonic	O
particles	O
and	O
some	O
of	O
them	O
led	O
to	O
the	O
formation	O
of	O
pairs	O
of	O
K	B-Application
mesons	O
.	O
</s>
<s>
Also	O
,	O
it	O
allowed	O
the	O
study	O
and	O
eventually	O
the	O
discovery	O
of	O
mesonic	O
resonances	O
with	O
emphasis	O
on	O
kaon	B-Application
production	O
.	O
</s>
<s>
Subsequently	O
,	O
the	O
chamber	O
was	O
exposed	O
to	O
various	O
particles	O
such	O
as	O
π+	O
,	O
π−	O
,	O
K+	O
,	O
K−	O
,	O
and	O
antiprotons	O
,	O
at	O
various	O
momenta	O
up	O
to	O
10	O
GeV/c	O
.	O
</s>
<s>
The	O
experiments	O
with	O
low-energy	O
K−	O
beams	O
resulted	O
in	O
the	O
systematic	O
studies	O
of	O
quasi-elastic	O
reactions	O
on	O
protons	O
directly	O
correlated	O
to	O
strange	O
baryonic	O
resonances	O
.	O
</s>
<s>
Additionally	O
,	O
in	O
1963	O
the	O
chamber	O
started	O
its	O
operation	O
with	O
liquid	O
deuterium	O
,	O
resulting	O
in	O
quasi-elastic	O
reactions	O
of	O
K	B-Application
-	O
on	O
neutrons	O
instead	O
of	O
protons	O
.	O
</s>
<s>
An	O
interesting	O
experiment	O
with	O
a	O
K−	O
beam	O
at	O
rest	O
in	O
hydrogen	O
was	O
also	O
carried	O
out	O
to	O
determine	O
Σ-Λ	O
parity	O
,	O
which	O
turned	O
out	O
to	O
be	O
positive	O
,	O
proving	O
the	O
same	O
nature	O
of	O
these	O
particles	O
.	O
</s>
<s>
After	O
10	O
years	O
of	O
magnificent	O
performance	O
the	O
81cm	O
Saclay	O
bubble	B-Algorithm
chamber	I-Algorithm
was	O
decommissioned	O
in	O
1971	O
.	O
</s>
