Re: Low energy neutron xsec not found for some media

From: Francesco Cerutti (
Date: Fri Dec 15 2006 - 00:15:44 CET

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    To not insert into your input any DEFAULTS card is equivalent to have it
    with SDUM=NEW-DEFA. For this set of standard defaults the low energy
    neutron transport is on, and in the list of cross sections the ALUMIN
    material (density 1 g/cm3 ?) is not found, but ALUMINUM instead.

    Furthermore, USROCALL should be placed between the START and STOP cards,
    nevertheless resorting to built-in estimators has to be by far preferred.


    Francesco Cerutti
    CH-1211 Geneva 23
    tel. ++41 22 7678962
    fax ++41 22 7668854

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