X-Message-Number: 25561
From: Michael Jennings <>
Subject: Background Radiation
Date: Mon, 17 Jan 2005 03:03:00 +0300


Does anyone have some figures on the effects of background radiation (0.05 
microSievert/hr at sea level) - along with an assorted echelon of other 
particles, such as cosmic rays and neutrons) causing damage inside cryogenically
frozen materials?


I've seen people here state that all aging and chemical reactions stop in LHe 
and LN2  - this is of course not true ... 

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