<s>
The	O
Lazarus	B-Algorithm
effect	I-Algorithm
refers	O
to	O
semiconductor	B-Algorithm
detectors	I-Algorithm
;	O
when	O
these	O
are	O
used	O
in	O
harsh	O
radiation	O
environments	O
,	O
defects	O
begin	O
to	O
appear	O
in	O
the	O
semiconductor	O
crystal	O
lattice	O
as	O
atoms	O
become	O
displaced	O
because	O
of	O
the	O
interaction	O
with	O
the	O
high-energy	O
traversing	O
particles	O
.	O
</s>
<s>
However	O
in	O
1997	O
,	O
Vittorio	O
Giulio	O
Palmieri	O
,	O
Kurt	O
Borer	O
,	O
Stefan	O
Janos	O
,	O
Cinzia	O
Da	O
Viá	O
and	O
Luca	O
Casagrande	O
at	O
the	O
University	O
of	O
Bern	O
(	O
Switzerland	O
)	O
found	O
out	O
that	O
at	O
temperatures	O
below	O
130	O
kelvins	B-Operating_System
(	O
about	O
143	O
degrees	O
Celsius	B-Operating_System
)	O
,	O
dead	O
detectors	O
apparently	O
come	O
back	O
to	O
life	O
.	O
</s>
<s>
The	O
explanation	O
of	O
this	O
phenomenon	O
,	O
known	O
as	O
the	O
Lazarus	B-Algorithm
effect	I-Algorithm
,	O
is	O
related	O
to	O
the	O
dynamics	O
of	O
the	O
induced	O
defects	O
in	O
the	O
semiconductor	O
bulk	O
.	O
</s>
<s>
Thanks	O
to	O
the	O
Lazarus	B-Algorithm
effect	I-Algorithm
,	O
silicon	B-Algorithm
detectors	I-Algorithm
have	O
been	O
proven	O
to	O
be	O
able	O
survive	O
radiation	O
doses	O
in	O
excess	O
of	O
90	O
GRad	O
and	O
they	O
have	O
been	O
proposed	O
for	O
future	O
high	O
luminosity	O
experiments	O
.	O
</s>
