Dear Expert,
Regarding your response it is not clear to me whether this threshold value
(For kerma, threshold should be as high as possible, just below the energy
of your primary photon. For dose as low as possible) to be set to the target
region only or in both vacuum and target region ?
Thanking you,
Riya Dey
-----Original Message-----
From: owner-fluka-discuss_at_mi.infn.it [mailto:owner-fluka-discuss_at_mi.infn.it]
On Behalf Of Paola Sala
Sent: 14 July 2018 22:01
To: riya dey <riyadey_at_barc.gov.in>
Cc: fluka-discuss_at_fluka.org
Subject: Re: [fluka-discuss]: TRANSPORT CUTOFF VALUES FOR ESTIMATION OF AIR
KERMA
Dear Riya Day
I am not sure that I understand, do you want to score kerma or dose?
Foe kerma, threshold should be as high as possible, just below the energy of
your primary photon.
For dose..as low as possible
Scoring can be done with USRBIN in energy Regards Paola
> Dear FLUKA Experts,
>
>
>
> What transport cutoff values should be used to determine air kerma ??
> Also, what should be scored in USRBIN ??
>
> For low-energy photons, kerma is numerically approximately the same as
> absorbed dose. For higher-energy photons, kerma is larger than
> absorbed dose because some highly energetic secondary electrons and
> X-rays escape the region of interest before depositing their energy.
> The escaping energy is counted in kerma, but not in absorbed dose.
>
>
>
>
>
> With regards,
>
> Riya Dey
>
>
>
>
>
>
Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148
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Received on Mon Oct 08 2018 - 08:36:40 CEST