1. in a wide halflife time (1÷500 ms)
OTPC
OTPC is very effective for investigations of rear decay branches of exotic nuclei
in a wide halflife time (1÷500 ms)
CCD 2/3’’
512  512 pix
14-bits
image ampl.
( 1200)
Example decay event HI
Gas (1atm) :
49.5%He+49.5%Ar+1%N p p
48Ni
PM 5’’
M. Ćwiok et al., IEEE TNS, 52 (2005) 2895
K. Miernik et al., NIM A581 (2007) 194
M. Pomorski et al., Phys.Rev.C 83, (R) (2011) 

2. Decay scheme of 8He (*) with OTPC

3. Example of event reconstruction: 8He->7Li+n
S. Mianowski et al., Acta Phys. Pol. B 41 (2010) 449

4. Example of event reconstruction: a + t + n
S. Mianowski et al., Acta Phys. Pol. B 41 (2010) 449

5. preliminary results & conclusions
Decay scheme of 8He (*) with OTPC
OTPC allows to reconstruct the decay energy
reconstruction of angular correlations
between emitted particles a + t + n
a+t+n ?
Observation of 7Li + n emission
from high excited states,
not observed yet
7Li+n
preliminary results & conclusions