[Halld-tagger] information on tagger vacuum window? TAGM geometry?

[Alexander Somov]

Hello Dan,

I've just checked with Tom Carstens, the window thickness is 254 um (Al).

Cheers,
       Sasha



On Sun, 12 Jun 2016, Daniel Sober wrote:

> I am working on a detailed Monte Carlo code for the tagger, and realized I
> do not know the location and thickness/material of the tagger vacuum
> chamber exit window. I need this for multiple scattering.  Can anyone
> provide it?
>
> Recently I have exhumed my Hall B code (not run since 2001) which
> incorporates the SNAKE subroutines into a free-standing Monte Carlo
> framework, and successfully run  trajectories through the Hall D field maps
> to the focal plane.  I am just beginning the task of setting up the TAGH
> and TAGM geometries.
>
> My initial goal is to calculate the acceptances and energy spectra of the
> high-photon-energy counters (TAGH 1-100), since these will be very
> sensitive to beampipe collimation and the quadrupole field.
>
> Unless someone else is working on it by some other route, I will also try
> to simulate the properties of the TAGM.  To do this, I will need a detailed
> geometry of the detector, plus some input about what you think is
> important, e.g. energy deposit spectrum for each fiber and correlation
> matrices between adjacent fibers with some given pulse height cuts.  If
> anyone has started working on such a code, I will happily accept
> contributions.  (My code is in fortran, but gfortran will also accept c++
> routines.)
>
> Dan
>