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[FIXED] TransMap_Half.0406.root does not exist [message #18345]

Mon, 06 July 2015 14:09

Jennifer Pütz
Messages: 47
Registered: April 2015
Location: FZ Juelich

continuous participant

From: *ikp.kfa-juelich.de

Hi everyone,

I tried to simulate 1000 events of pbar p -> Xi- + Xi+ with a beam momentum of 3 GeV/c using the standard sim_complete.C macro.
But the simulation breaks with the message

[INFO ] PndFieldMap: Reading field map from ROOT file /private/puetz/fairsoft_mar15/pandaroot.trunk/input/TransMap_Half.0406.r oot
Error in <TFile::TFile>: file /private/puetz/fairsoft_mar15/pandaroot.trunk/input/TransMap_Half.0406.r oot does not exist
[ERROR ] -E- PndFieldMap::ReadRootfile: Cannot read from file!
Fatal in <PndTransMap::ReadRootFile>: Cannot read from file

When I try to run the same number of events with a beam momentum of 2.99 GeV/c it works.
Is there a reason why the file does not exist?

I'm using:

FairSoft: Mar15
FairRoot: Master
PandaRoot: Trunk rev. 27984

Cheers

Jenny

Attachment: error_transmap_half.png
(Size: 238.73KB, Downloaded 287 times)

[Updated on: Tue, 07 July 2015 12:37] by Moderator

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Re: TransMap_Half.0406.root does not exist [message #18347 is a reply to message #18345]

Mon, 06 July 2015 14:16

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: 91.253.38*

Are you using the option HALF? Half field is valid only for p<3GeV/c.

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Re: TransMap_Half.0406.root does not exist [message #18349 is a reply to message #18345]

Mon, 06 July 2015 14:24

Jennifer Pütz
Messages: 47
Registered: April 2015
Location: FZ Juelich

continuous participant

From: *ikp.kfa-juelich.de

Hi Stefano,

it seems that I'm not using the option HALF. I tried to run the macro with 3.01 GeV/c and 6.2 GeV/c and it works. I attached the sim_complete macro.

Attachment: sim_complete.C
(Size: 7.73KB, Downloaded 257 times)

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Re: TransMap_Half.0406.root does not exist [message #18350 is a reply to message #18349]

Mon, 06 July 2015 14:32

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: 91.253.38*

Most probably it is a problem of rounding. Try with FULL instead of AUTO. I cannot reproduce your problem now.

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Re: TransMap_Half.0406.root does not exist [message #18352 is a reply to message #18350]

Mon, 06 July 2015 15:00

Jennifer Pütz
Messages: 47
Registered: April 2015
Location: FZ Juelich

continuous participant

From: *ikp.kfa-juelich.de

This works. Thanks a lot!

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Re: TransMap_Half.0406.root does not exist [message #18353 is a reply to message #18352]

Mon, 06 July 2015 16:38

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *ip71.fastwebnet.it

I found the inconsistency and fixed it.
If now you update your field folder and recompile, AUTO will work also for 3 GeV/c.

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