RE: Geomagnetic Rigidity Cut-off

Dear Turgay

There is no such input card. You have to provide all this via a user
source routine in which you sample a primary cosmic ray particle at each
event.

Cheers
Stefan

___________________________________

Stefan Roesler
CERN, DGS-RP
CH-1211 Geneva 23
Switzerland

Phone: +41-22-7679891
Fax: +41-22-7669639
E-mail: Stefan.Roesler_at_cern.ch

On Fri, 6 Aug 2010, turgay hhhhhhhhh wrote:

> Dear Stefan,
>
> thanks to your valuable comments.
> I obtained rigidity value as 9.67GV using by lattitude and longtitude values.
> How should I add 9.67 GV rigidity in my input file?
> Which card should be used for rigidity value?
>
> Best Regards...
>
> > Date: Fri, 6 Aug 2010 15:26:41 +0200
> > From: sroesler_at_mail.cern.ch
> > To: turgaykorkut_at_hotmail.com
> > CC: fluka-discuss_at_fluka.org
> > Subject: Re: Geomagnetic Rigidity Cut-off
> >
> > Dear Turgay
> >
> > I assume that you refer to the vertical rigidity cut-off.
> >
> > You would have to sample uniformly the direction of the primary particle
> > on top of the atmosphere. Having this direction and the vertical cutoff
> > you can compute the nonvertical cut-off according to the Stoermer-approach
> > (you may have to transform the direction from the geographic into the
> > geomagnetic coordinate frame before). Finally, you sample the energy
> > between the lowest value according to the (non-vertical) rigidity cutoff
> > and any upper limit from the distribution on top of the atmosphere (i.e.
> > interstellar fluence modulated by solar activity).
> >
> > Cheers
> > Stefan
> >
> > On Wed, 4 Aug 2010, turgaykorkut_at_hotmail.com wrote:
> >
> > >
> > > Dear FLUKA users,
> > >
> > >
> > > I have prepared an input file in connection with cosmic rays.
> > > I want to obtain muon flux at sea-level as a function of geomagnetic rigidity
> cut-off.
> > > How should I entered geomagnetic rigidity cut-off values in my input file?
> > >
> > > Thanks and best wishes.
> > >
> > > Dr.Turgay KORKUT
> > > turgaykorkut_at_hotmail.com
> > >
> > >
> > >
> > >
>
>
Received on Mon Aug 09 2010 - 15:07:30 CEST