Re: [FLUKA] Secondary electron emission

From: Alfredo Ferrari <alfredo.ferrari_at_cern.ch>
Date: Mon, 18 Jun 2012 10:53:43 +0200

Yes

if you want to COUNT electrons, current is the good estimator

              Ciao
             Alfredo

+----------------------------------------------------------------------+
| Alfredo Ferrari || Tel.: +41.22.76.76119 |
| CERN-EN/STI || Fax.: +41.22.76.69474 |
| 1211 Geneva 23 || e-mail: Alfredo.Ferrari_at_cern.ch |
| Switzerland || |
+----------------------------------------------------------------------+

On Mon, 18 Jun 2012, Stefano Sinigardi wrote:

> So, judging from the mail from Alfredo Ferrari in that thread, dated Thu Sep 21 2006 - 22:37:27 CEST, which i'm quoting here
>
> "In essence fluence is a property of the (local) radiation field, your
> test surface being a useful way to "measure" it. Current is as dependent
> on the surface orientation as it is on the radiation field, and its only
> purpose is to "count" charged particles (it never has any meaning for
> neutral ones) in those cases where you don't care about the amount of
> energy they deposit (which of course is proportional to FLUENCE) but you
> operate ie in saturated regime and you get just a pulse for each
> particle entering your detector, the pulse being independent of the
> actual energy left by the particle (think about an RPC trigger chamber
> for example)"
>
> it seems that I need to use current, NOT fluence, because I just want to
> COUNT electrons produced from the interaction between the proton bunch
> and the foil and that go to the vacuum behind it, independently from the
> energy that they deposit on that foil.
> Please let me know if now I'm correct in my assumption.
>
> Best regards,
>
> Stefano Sinigardi
>
>
>
>
>
> On 14-Jun-12 12:00, Francesco Cerutti wrote:
>> Hallo
>>
>> I suggest you definitely go through this memorable thread
>>
>> http://www.fluka.org/web_archive/earchive/new-fluka-discuss/0542.html
>>
>> since the difference between fluence and current scoring cannot be left
>> overlooked
>>
>> Cheers
>>
>> Francesco
>>
>> **************************************************
>> Francesco Cerutti
>> CERN-EN/STI
>> CH-1211 Geneva 23
>> Switzerland
>> tel. ++41 22 7678962
>> fax ++41 22 7668854
>>
>> On Wed, 13 Jun 2012, Vittorio Boccone wrote:
>>
>
>
Received on Mon Jun 18 2012 - 11:46:24 CEST

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