[Clas12_software] jcsg DC wire geometry in COATJAVA

[David Heddle]

Ced is not yet correct until gagiks geo package is updated

On Sat, Nov 10, 2018, 4:19 PM Mac Mestayer <mestayer at jlab.org wrote:

> Hello Mikhail;
>
> All of those values should come from the data-base,
> and yes, we think they are all correct.
>
> Mac
>
> ----- Original Message -----
> From: "Mikhail Osipenko" <osipenko at jlab.org>
> To: "Veronique Ziegler" <ziegler at jlab.org>
> Cc: "clas12 software" <clas12_software at jlab.org>
> Sent: Friday, November 9, 2018 4:20:00 PM
> Subject: [Clas12_software] jcsg DC wire geometry in COATJAVA
>
> Hi Veronique,
>
> I noticed in development version of COATJAVA the cell size called in:
>
> Wire(int isuper, int ilayer, int iwire)
>
> common-tools/clas-jcsg/src/main/java/org/jlab/detector/geant4/v2/DCGeant4Factory.java
>
> dbref.cellthickness(isuper)=3.0 cm for all superlayers.
>
> what are our cell thicknesses in the three superlayers?
>
> Are midgaps in region 1,2 and 3 really these:
> midgap(R1)= 2.50000172211009
> midgap(R2)= 7.16074290360292
> midgap(R3)= 2.49999999199041
>
> How wire-distance is defined? Is it half-distance between two sense wires?
> Are the values below correct:
>
> dbref.wpdist(isuper)=0.386160010000001,0.404219918000016,0.621906300000034,0.658596599999859,0.935140375500009,0.977981847999946
>   cm?
>
> Are theta mins correct:
>
> dbref.thmin(isuper)=4.691432670569861,4.492809503848394,4.755235949489458,4.71702275655627,4.331440060891255,4.3317039097997245
>   deg.?
>
> Are distances to the first wire:
> dbref.dist2tgt(ireg)=228.121068657577,351.968436599628,489.218708220582
> cm?
>
> Thanks,
>              Mikhail.
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