Re: Re: Re: [fluka-discuss]: Single scattering for proton beam

From: <yyc2011_at_mail.ustc.edu.cn>
Date: Mon, 4 Nov 2013 16:51:30 +0800 (CST)

Dear Paola and Francesco,

  Thanks for your reply.Thanks for your time.I get it.

Best regards
YuanChen


> -----Original E-mail-----
> From: "Francesco Cerutti" <Francesco.Cerutti_at_cern.ch>
> Sent Time: 2013-11-4 16:42:04
> To: yyc2011_at_mail.ustc.edu.cn
> Cc: "FLUKA discussion" <fluka-discuss_at_fluka.org>, "Paola Sala" <Paola.Sala_at_cern.ch>
> Subject: Re: Re: [fluka-discuss]: Single scattering for proton beam
>
>
> Hi YuanChen
>
> the proton happens to be a hadron, so the answer is yes
>
> Best
>
> Francesco
>
> **************************************************
> Francesco Cerutti
> CERN-EN/STI
> CH-1211 Geneva 23
> Switzerland
> tel. ++41 22 7678962
> fax ++41 22 7668854
>
> On Mon, 4 Nov 2013, yyc2011_at_mail.ustc.edu.cn wrote:
>
> > Dear Paola,
> >
> > Could the MULSOPT card be used to set single scattering for protons? This is my question.
> >
> > Best Regards
> > YuanChen
> >
> >
> >
> >> -----Original E-mail-----
> >> From: "Paola Sala" <paola.sala_at_mi.infn.it>
> >> Sent Time: 2013-11-4 15:38:24
> >> To: yyc2011_at_mail.ustc.edu.cn
> >> Cc: fluka-discuss_at_fluka.org
> >> Subject: Re: [fluka-discuss]: Single scattering for proton beam
> >>
> >> Dear YuanChen
> >> wrong. the MULSOPT card sets conditions for
> >> both hadrons/muons and electrons/positrons, including single scattering.
> >> Regards
> >> Paola
> >>> Dear Fluka experts,
> >>>
> >>> When I read the Fluka Manual,it says "the MULSOPT card sets the tracking
> >>> conditions for multiple Coulomb scattering (MCS), for
> >>> both hadrons/muons and electrons/positrons.Can also be used to activate
> >>> single scattering." In other words,this card can only be used to set
> >>> single scattering for electrons,but not for protons.Right?
> >>> Last time,paola told me "for micro-sized geometries,single scattering
> >>> should be set for all steps". Now, If the incident particles are proton
> >>> beam,for micro-sized geometries,I must set single scattering for proton
> >>> beam.Right? But,how could I do this?
> >>> Thanks for any suggestion.Thanks for your time.
> >>>
> >>> Best Regards
> >>> YuanChen
> >>>
> >>>> -----Original E-mail-----
> >>>> From: "Roberto Versaci" <roberto.versaci_at_gmail.com>
> >>>> Sent Time: 2013-10-26 19:34:30
> >>>> To: "fluka-discuss_at_fluka.org" <fluka-discuss_at_fluka.org>
> >>>> Cc:
> >>>> Subject: Re: Re: RE: [fluka-discuss]: How to set jagged geometries
> >>>> (fwd)
> >>>>
> >>>> Dear Yuan,
> >>>>
> >>>> Please always reply to the discussion list, do not write private emails.
> >>>>
> >>>> What I meant with my last email, is exactly what Anton and Paola had
> >>>> already written.
> >>>> Quoting Anton who quotes Paola:
> >>>> <<As Paola wrote to you about two weeks ago, 50 nm structures are
> >>>> probably
> >>>> too small for the physics models of the code. Let me quote: "the
> >>>> geometry
> >>>> you defined has layers as thin as 0.05 MICRONS. The models of the code
> >>>> cannot be used for such thin layers. A minimum size of about 1 micron
> >>>> should be kept to get meaningful results.">>
> >>>> To put it short: the dimensions of the objects you want to model are too
> >>>> small!
> >>>>
> >>>> For what concerns the use of PLA, you could have a look both at the
> >>>> manual
> >>>> and at the geometry lecture of FLUKA courses, this is the link to the
> >>>> last
> >>>> one:
> >>>> https://www.fluka.org/free_download/course/dresden2013/Lectures/05_Geometry_1013.pdf
> >>>>
> >>>> Nevertheless, once again, please, keep clearly in mind what Paola,
> >>>> Anton,
> >>>> and myself have said about the dimensions!
> >>>>
> >>>> Cheers,
> >>>>
> >>>> Roberto
> >>>>
> >>>>
> >>>>
> >>>> ---------- Forwarded message ----------
> >>>> Date: Fri, 25 Oct 2013 22:32:34 +0800 (CST)
> >>>> From: yyc2011_at_mail.ustc.edu.cn
> >>>> To: Roberto Versaci <roberto.versaci_at_gmail.com>
> >>>> Subject: Re: Re: RE: [fluka-discuss]: How to set jagged geometries
> >>>> (fwd)
> >>>>
> >>>> Dear Roberto,
> >>>>
> >>>> What is your meaning?You have not answered my question.What is your
> >>>> opinion?How to define the geometry?
> >>>>
> >>>> Best Wishes
> >>>> YuanChen
> >>>>> -----Original E-mail-----
> >>>>> From: "Roberto Versaci" <roberto.versaci_at_gmail.com>
> >>>>> Sent Time: 2013-10-25 21:01:24
> >>>>> To:"fluka-discuss_at_fluka.org" <fluka-discuss_at_fluka.org>
> >>>>> Cc:
> >>>>> Subject: Re: RE: [fluka-discuss]: How to set jagged geometries (fwd)
> >>>>>
> >>>>> Dear Yuan,
> >>>>>
> >>>>> Reading Anton's reply I realized I did not have noticed the dimensions
> >>>> of
> >>>>> your geometry. He is totally right in his comments about the
> >>>> dimensions!
> >>>>> They are definitely too small!
> >>>>>
> >>>>> Sorry,
> >>>>>
> >>>>> Roberto
> >>>>>
> >>>>>
> >>>>>
> >>>>>> Dear Yuan,
> >>>>>>
> >>>>>> You could consider using PLA bodies (generic planes) to define your
> >>>>>> triangles.
> >>>>>> Cheers,
> >>>>>>
> >>>>>> Roberto
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> On Fri, 25 Oct 2013, yyc2011_at_mail.ustc.edu.cn wrote:
> >>>>>>
> >>>>>>> Dear Vasilis,
> >>>>>>>
> >>>>>>> Thanks for your reply.
> >>>>>>> The attachment is the schematic diagram.The geometry is like
> >>>> this.The
> >>>>>>> height of the triangle is 0.000005 centimeters.If I want to define
> >>>> this
> >>>>>>> geometry,how should I do?
> >>>>>>> Thanks for any suggestions.
> >>>>>>>
> >>>>>>> Best Regards
> >>>>>>> YuanChen
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>> -----Original E-mail-----
> >>>>>>>> From: "Vasilis Vlachoudis" <Vasilis.Vlachoudis_at_cern.ch>
> >>>>>>>> Sent Time: 2013-10-25 17:43:39
> >>>>>>>> To: "yyc2011_at_mail.ustc.edu.cn" <yyc2011_at_mail.ustc.edu.cn>,
> >>>>>>>>
> >>>>>>>> Cc:
> >>>>>>>> Subject: RE: [fluka-discuss]: How to set jagged geometries
> >>>>>>>>
> >>>>>>>> Hi Yuan,
> >>>>>>>>
> >>>>>>>> could you please be more explicit what you mean by jagged maybe a
> >>>> drawing
> >>>>>>>> will help.
> >>>>>>>> Please also give a look on the course lecture on geometry and
> >>>> especially on
> >>>>>>>> Geometry II
> >>>>>>>> for use of lattices or voxels.
> >>>>>>>> Vasilis
> >>>>>>>>
> >>>>>>>> ________________________________________
> >>>>>>>> From: owner-fluka-discuss_at_mi.infn.it
> >>>> [owner-fluka-discuss_at_mi.infn.it] on
> >>>>>>>> behalf of yyc2011_at_mail.ustc.edu.cn [yyc2011_at_mail.ustc.edu.cn]
> >>>>>>>> Sent: 25 October 2013 09:57
> >>>>>>>> To: fluka-discuss_at_fluka.org
> >>>>>>>> Subject: [fluka-discuss]: How to set jagged geometries
> >>>>>>>>
> >>>>>>>> Dear Fluka experts,
> >>>>>>>>
> >>>>>>>> I want to set jagged geometries in my simulation.But,I don't know
> >>>> how to
> >>>>>>>> set jagged geometries in the Fluka.Could you help me or could you
> >>>> give me
> >>>>>>>> any suggestions?
> >>>>>>>> Thanks for your time.Thanks for any suggestions.
> >>>>>>>>
> >>>>>>>> Best Regards
> >>>>>>>> YuanChen
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>> --
> >>>>> Alberto Fass
> >>>>>
> >>>>
> >>>
> >>
> >>
> >> Paola Sala
> >> INFN Milano
> >> tel. Milano +39-0250317374
> >> tel. CERN +41-227679148
> >>
> >
> >
Received on Mon Nov 04 2013 - 10:52:27 CET

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