Message: How were the files in the $G4LEVELGAMMADATA directory created? Not Logged In (login)
 Next-in-Thread Next-in-Thread
 Next-in-Forum Next-in-Forum

Question How were the files in the $G4LEVELGAMMADATA directory created? 

Keywords: G4LEVELGAMMADATA
Forum: Hadronic Processes
Date: 30 Jun, 2006
From: Kazuyoshi Furutaka <Kazuyoshi Furutaka>

From: "Vladimir Ivanchenko" <Vladimir.Ivantchenko@cern.ch>
Subject: Re: How were the files in the $G4LEVELGAMMADATA directory created?
Date: Thu, 29 Jun 2006 10:40:26 -0700

> *** Discussion title: Electromagnetic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/emprocess/508/2"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> hello,
> 
> It seems to be not the best forum for this question: nuclear gamma
> transitions is a part of G4 hadronic physics. Please, post the question
> there.
> 
> VI

Thanks Vladimir...

So I'd like to raise the following question again here.

# I'm using an alternative file produced from the
# "14N(n,gamma)" ENSDF data (levels & gammas), with
# ICCs set arbitrarily to 1.e-20.

Regards,
Kazuyoshi

From: "Kazuyoshi Furutaka " <furutaka@jb3.so-net.ne.jp>
Subject: How were the files in the $G4LEVELGAMMADATA directory created?
Date: Tue, 20 Jun 2006 07:04:36 -0700

> *** Discussion title: Electromagnetic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <20060620.230431.294715474.furutaka@jb3.so-net.ne.jp>
>   Subject: ...change this to be about your reply.
> 
> Dear all,
> 
> In terse words, how were the files in the $G4LEVELGAMMADATA
> directory created?
> 
> A while ago, I asked how we can produce cascading gamma rays
> emitted after (thermal) neutron capture reactions in other 
> forum (<"/docsexamples/186"@geant4-hn.slac.stanford.edu>).
> 
> Specifically, I want to produce the cascading gamma rays in
> 14N(thermal n,gamma)15N reaction.
> 
> It seems that in Geant4 ENSDF data (adopted levels and gammas)
> are used for nuclear levels and gamma rays.
> 
> In the ENSDF data for 15N(product of the capture reaction)
> there's a 10804 keV level, and I mistakenly thought it as 
> the capture state of the reaction, but it is 10833 keV level
> that is produced in the thermal neutron capture reaction!
> 
> So, I want to create the corresponding levels/gammas data files
> for thermal neutron capture reaction of 14N (and other nuclei)
> from ENSDF data for (n,gamma) reactions, and to use them in
> place of the existing files (adopted levels and gammas).
> 
> How in practice were these files in the $G4LEVELGAMMADATA
> created?  How can we automate the preparation of the files
> (from existing ENSDF (n,gamma) data in my case)?
> 
> I can calculate ICCs using the HSICC code.
> http://www.nndc.bnl.gov/nndcscr/ensdf_pgm/analysis/hsicc/
> 
> Is there any document which explains how the files in 
> $G4LEVELGAMMADATA were prepared???
> 
> By the way, it seems that E1 is assumed for transitions
> of which the multipolarity is not known.  Am I correct?
> 
> Yours,
> Kazuyoshi
> --
> Kazuyoshi Furutaka
> furutaka@jb3.so-net.ne.jp
> 

From: "Kazuyoshi Furutaka " <furutaka@jb3.so-net.ne.jp>
Subject: Re: How were the files in the $G4LEVELGAMMADATA directory created?
Date: Tue, 20 Jun 2006 08:04:07 -0700

> *** Discussion title: Electromagnetic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <20060621.000402.1021568968.furutaka@jb3.so-net.ne.jp>
>   Subject: ...change this to be about your reply.
> 
> From: "Kazuyoshi Furutaka " <furutaka@jb3.so-net.ne.jp>
> Subject: How were the files in the $G4LEVELGAMMADATA directory created?
> Date: Tue, 20 Jun 2006 07:04:36 -0700
> 
> > I can calculate ICCs using the HSICC code.
> > http://www.nndc.bnl.gov/nndcscr/ensdf_pgm/analysis/hsicc/
> 
> Well, Z=7 seems to be out of range of the tables in HSICC
> (as well as BrIcc, http://www.nndc.bnl.gov/bricc/).
> How were ICCs for 15N calculated actually?
> 
> Yours,
> Kazuyoshi
> --
> Kazuyoshi Furutaka
> furutaka@jb3.so-net.ne.jp
> 

Inline Depth:
 1 1
 All All
Outline Depth:
 1 1
 2 2
 All All
Add message: (add)

 Add Message Add Message
to: "How were the files in the $G4LEVELGAMMADATA directory created?"

 Subscribe Subscribe

This site runs SLAC HyperNews version 1.11-slac-98, derived from the original HyperNews


[ Geant 4 Home | Geant 4 HyperNews | Search | Request New Forum | Feedback ]