Apr 11, 2004· Forty six kilograms (8100 l at 1 atm) of Xe and 4 kg (2000 l at 1 atm) of CO 2 will have to last for 3 years of operation (safety factor 1). The measured leakrate for one straw of 0.3×10 −6 l mbar/s/m is dominated by diffusion through the straw walls ( Fig. 2a ).
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