Re: Dose Equivalent

From: Stefan Roesler (sroesler@mail.cern.ch)
Date: Tue Feb 08 2005 - 11:26:37 CET

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    Hello Martin,

    The most common way is folding of fluence with fluence-to-dose equivalent
    conversion factors. If folding is performed off-line you will need energy
    spectra which can be scored with either USRTRACK or USRBDX. On the other
    hand (and this is usually more convenient), you could request a USRBIN
    scoring and fold online using the user-routine fluscw.f. This routine
    allows one to multiply every entry into the scoring-bin with particle type
    and energy-dependent factors, e.g. fluence-to-dose equivalent conversion
    factors.

    At CERN we are using the fluence-to-dose equivalent conversion factors as
    calculated with FLUKA by Mauricio Pelliccioni in a fluscw-implementation
    written by Graham Stevenson and myself. You are welcome to use it- pls let
    me know!

    Regard
    stefan

    On Tue, 8 Feb 2005, Holbourn, MP (Martin) wrote:

    >
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    > Hi Fluka Expets,
    > =20
    > What is the correct/preferred way of calculating dose equivalents for =
    > gamma and neutron radiation outside shield walls?, ie which estimator =
    > should I be using.
    > Any insights would be much appreciated.
    > Regards
    > =20
    > Martin Holbourn
    > =20
    > =20
    > Daresbury Laboratory
    > Daresbury
    > Warrington
    > Cheshire
    > WA4 4AD
    > =20
    > Tel: 01925 603266
    > Fax: 01925 603381
    > mailto:m.p.holbourn@dl.ac.uk
    > =20
    >
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    > <META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
    > charset=3Diso-8859-1">
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    > <META content=3D"MSHTML 6.00.2800.1458" name=3DGENERATOR></HEAD>
    > <BODY>
    > <DIV><FONT face=3DArial size=3D2><SPAN class=3D759351208-08022005>Hi =
    > Fluka=20
    > Expets,</SPAN></FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2><SPAN=20
    > class=3D759351208-08022005></SPAN></FONT>&nbsp;</DIV>
    > <DIV><FONT face=3DArial size=3D2><SPAN class=3D759351208-08022005>What =
    > is the=20
    > correct/preferred way of calculating dose equivalents for gamma and =
    > neutron=20
    > radiation outside shield walls?, ie which estimator should I be=20
    > using.</SPAN></FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2><SPAN class=3D759351208-08022005>Any =
    > insights would=20
    > be much appreciated.</SPAN></FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2><SPAN=20
    > class=3D759351208-08022005>Regards</SPAN></FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2><SPAN=20
    > class=3D759351208-08022005></SPAN></FONT>&nbsp;</DIV>
    > <DIV><FONT face=3DArial size=3D2>Martin Holbourn</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
    > <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
    > <DIV><FONT face=3DArial size=3D2>Daresbury Laboratory</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2>Daresbury</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2>Warrington</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2>Cheshire</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2>WA4 4AD</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
    > <DIV><FONT face=3DArial size=3D2>Tel: 01925 603266</FONT></DIV>
    > <DIV><FONT face=3DArial size=3D2>Fax: 01925 603381</FONT></DIV>
    > <DIV><FONT face=3DArial =
    > size=3D2>mailto:m.p.holbourn@dl.ac.uk</FONT></DIV>
    > <DIV>&nbsp;</DIV></BODY></HTML>
    >
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    >
    >

    -- 
    ___________________________________
    Stefan Roesler
    CERN, SC/RP
    CH-1211 Geneva 23
    Switzerland
    Phone:  +41-22-7679891
    Fax:    +41-22-7675700
    E-mail: Stefan.Roesler@cern.ch
    

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