Re: [fluka-discuss]: Unknown error while running CMS geometry

From: Francesco Cerutti <Francesco.Cerutti_at_cern.ch>
Date: Wed, 2 Jul 2014 11:53:55 +0200

Note in addition that asking for a 10 eV kinetic energy threshold for
electrons and positrons makes no sense, since a hard limit of 1 keV
applies to all particles, but neutrons (1e-5 eV) and photons (100 eV).

Cheers
Francesco

**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854

On Wed, 2 Jul 2014, Alfredo Ferrari wrote:

> The message is self-explainatory! You asked in the input for a non-physical
> (<< m_e!), total energy, cut-off for electrons and positrons.
> Likely you confused kinetic vs total energy.
>
> +----------------------------------------------------------------------+
> | 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 Wed, 2 Jul 2014, Tanay Bansal wrote:
>
>> Dear Fluka experts,
>>
>> I am simulating the original CMS geometry in fluka with p-p collision at
>> 3500 GeV.
>> This is what the error file is showing.
>> _____________________________________________________________________________
>>
>> *** Invalid e+/e- total energy transport threshold 0.00000001 GeV ***
>> Abort called from EMFCTS reason INVALID E+E- TRANSPORT CUT Run stopped!
>> STOP INVALID E+E- TRANSPORT CUT
>> ______________________________________________________________________________
>>
>> Please help me understand this error so that I can proceed for the
>> required debugging.
>>
>> Thank you in advance,
>> Tanay Bansal.
>>
>
>
>
Received on Wed Jul 02 2014 - 13:01:02 CEST