Re: shielding of a accelerator facility

[Ted de Castro <tdc@xrayted.com>]

Gerald.P.Lahti@ucm.com wrote:
> 
> The layered shielding strategy for nuclear reactors is as follows.  High-Z
> material first, then low-Z [hydrogenous] material.

While this is true for higher energies - at the energy stated the
problem of capture gammas still predominates and the low Z followed by
high Z is preferred.

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