sPHENIX tracking discussion

[David Morrison <morrison AT bnl.gov>]

Hi Sourav,

To be consistent with the advice Tony gave Veronica about her poster,
you should probably change the 1.5 Tesla to 1.4 Tesla.

Cheers,
Dave

On 1/31/17 4:57 PM, Sourav Tarafdar wrote:
> Dear all,
> 
> Based on comments by Tony here is my updated draft for QM2017 poster on
> sPHENIX tracking.
> 
> https://www.phenix.bnl.gov/WWW/p/draft/isibf5y/TarafdarS_QM17poster_v2.pdf
> 
> Also located is on the indico page set up for uploading sPHENIX talks
> and poster
> https://indico.bnl.gov/getFile.py/access?contribId=4&resId=0&materialId=slides&confId=2794
> 
> More comments and suggestions are welcome.
> 
> Thanks,
> -Sourav
> 
> On Mon, Jan 30, 2017 at 9:04 PM, Frawley, Anthony <afrawley AT fsu.edu
> <mailto:afrawley AT fsu.edu>> wrote:
> 
>     Hi Sourav,
> 
> 
>     Here are a few comments on your poster:
> 
> 
>     Abstract:
> 
>     -------------
> 
>     "  ... and hadronic calorimeters which has full azimuthal coverage and
>     spans 2 units of central pseudo-rapidity."
>     ->
> 
>     "  ... and hadronic calorimeters which have full azimuthal coverage and
> 
>     span 2 units of central pseudo-rapidity."
> 
>     "1.5 T" -> "1.4 T"  (right? that is what we are using now in
>     simulations).
> 
>     Charged particle tracking detectors:
>     ------------------------------------------------
>     The TPC outer radius that we settled on was 78 cm, not 75 cm.
> 
>     "TPC/MAPS matching helping in Jet
>     physics, upsilon measurement"
>     ->
>     "Helps TPC/MAPS matching in Jet
>     physics, upsilon measurement"
> 
>     Tracking performance studies:
>     ----------------------------------------
> 
>     I don't think it is a good idea to show a set of plots with
>     different outer radii for the TPC. We have decided on our outer
>     radius of 78 cm (the maximum we can fit in), and I think it will
>     confuse people to show other values. Similarly for the MAPS + 60 TPC
>     layers without the INTT, it will be confusing.
> 
> 
>     Regarding plots with silicon ladders + TPC:
> 
> 
>     1) The DCA plot you show is for MAPS ladders + INTT ladders + TPC.
>     The plot is for a 60 layer TPC but it will not make any difference
>     at all to the DCA performance if we change to 40 layers, so I would
>     not bother to make the distinction.
> 
> 
>     2) I can give you a plot of pT resolution made with MAPS ladders +
>     INTT ladders + TPC. I see no reason that you should not show it. It
>     leads to Upsilon mass resolution that slightly exceeds our spec, but
>     if a member of the audience figures that out in their head we should
>     recruit them immediately. I will send it to you separately, see what
>     you think.
> 
> 
>     3) I will also send you a plot of single track efficiency for pions
>     made with MAPS ladders + INTT ladders + TPC.
> 
> 
>     sPHENIX simulations output:
> 
>     ---------------------------------------
> 
>     The J/psi mass spectrum must be for single J/psi's, since there is
>     no background above the J/psi mass? Why is it plotted on a log plot?
>     What is the message? What is the physics related to this?
> 
> 
>     Cheers
> 
>     Tony
> 
> 
> 
>     ------------------------------------------------------------------------
>     *From:* sphenix-tracking-l-bounces AT lists.bnl.gov
>     <mailto:sphenix-tracking-l-bounces AT lists.bnl.gov>
>     <sphenix-tracking-l-bounces AT lists.bnl.gov
>     <mailto:sphenix-tracking-l-bounces AT lists.bnl.gov>> on behalf of
>     Sourav Tarafdar <sourav.pheonix AT gmail.com
>     <mailto:sourav.pheonix AT gmail.com>>
>     *Sent:* Monday, January 30, 2017 12:37 PM
>     *To:* sphenix-tracking
>     *Subject:* [Sphenix-tracking-l] QM17 poster draft for sPHENIX tracking
>      
>     Dear all,
> 
>     Please find the draft of my QM17 poster for sPHENIX tracking here :
>     
> https://www.phenix.bnl.gov/WWW/p/draft/isibf5y/TarafdarS_QM17poster_v1.pdf
>     
> <https://www.phenix.bnl.gov/WWW/p/draft/isibf5y/TarafdarS_QM17poster_v1.pdf>
>     I am still looking for tracking performance plots for
>     MAPS(ladder)+INTT(ladder)+TPC for pure pions. I have left a place
>     holder for those plots with a comment unless tracking group decides
>     otherwise. Comments and suggestions are welcome.
> 
>     Best regards,
>     -Sourav
> 
> 
> 
> 
> _______________________________________________
> sPHENIX-tracking-l mailing list
> sPHENIX-tracking-l AT lists.bnl.gov
> https://lists.bnl.gov/mailman/listinfo/sphenix-tracking-l
> 

-- 
David Morrison  Brookhaven National Laboratory  phone: 631-344-5840
                Physics Department, Bldg 510 C    fax: 631-344-3253
                          Upton, NY 11973-5000  email: dave AT bnl.gov