sPHENIX is a new detector at RHIC.

[Abhisek Sen <sen.abhisek AT gmail.com>]

Dear Collaborators,

   Here are the minutes form today's meeting.

Cheers,

Abhisek

sPHENIX General Meeting

2nd September 2016

================================

sPHENIX News - Dave

====================

S1: The cover picture is very nice for everyone to use for their talks. Suggestions to make the colors rich. Dave will look into it.

S4: Berndt will send a draft to Dave for review of the news bulletin soon.

S4: During next week's tracking review, there is a diversity workshop at BNL. All interested sphenixians are encourage to attend if they can.

S6: sPHENIX talks were well taken at BNL S&T review. DOE report is expected in 3 months.

Dave encouraged everyone to attend the simulation meeting. Martin mentioned simulation meeting is a general discussion meeting. It's scope is larger than only simulations.

sPHENIX Project News - Ed

========================

S1: Getting ready for tracker review. An experienced committee is expected.

Dave: How TPC costs were estimated?

Ed: Costs were based on other similar projects.

Dave: Students contribution will be focused on Tom's slide.

Chris: HPSS made a visit last week. Chris talked to them about 5GB/s data transfer from sPHENIX DAQ. They said it is feasible and not a big deal anymore. Good to let 

the committee know. Keep a backup slide. 

Ed: Review will take place in instrumental who wish to attend at BNL.

Tracking plots for review - Tony:

===========================

S10: Switch to Ne is because of ion speed? 

Tony: yes, it has to do with drift time.

Dave: Why mis-identified low momentum tracks reconstructed in high pT? 

Tony: Those low pT tracks picks up a few hits in outer tracker and pass chisquare cut.

Jin: purity will be sample dependent. A major caveat.

Tony: Lets discuss offline.

Tony: Momentum resolution plot needs update. Few other plots also needs update.

Testbeam analysis - Vera:

============================

Chirs: Simulation on the spot with data? Do we understand which makes it on top of each other?

Abhisek: Simulation includes Birk's correction, towers, digitization parameters etc. 

Jin: Physics list does not change resolution too much.

Takao: Linearity plot is better shown with differential linearity.

Anne: We will do it.

Takao: 5-6% difference not okay but 1% is fine.

Craig: Plans about position dependent resolution plot?

Vera: We are looking into it

Megan: We need finalize the author list. So if anyone didnt filled the survey yet, please do so ASAP.

Cold QCD topical group - Nils:

==========================

Chris: RHIC loose polarization ability after modification to the snakes and rotators?

Dave: That is for EIC in order to maximize the polarization. That happens after sPHENIX..

Nils: once eRHIC, no going back.

Dave: During S&T review there were discussion about QCD plan. Elke submitted QCD plan but no official news from DOE yet. "oversight"

General comment:

=======================

Martin: Five doodle polls are opened at the same time. Conflicting poll entry if one fixes a time. We need to fix one poll first before another one. Keep track of them in sPHENIX google calendar.

On Fri, Sep 2, 2016 at 11:51 AM, David Morrison <dave AT bnl.gov> wrote:

Hi all,

See (or hear) you at the fortnightly general meeting in about 10 minutes!

Dave

> On Sep 2, 2016, at 9:50 AM, David Morrison <dave AT bnl.gov> wrote:
>
> Dear Collaborators,
>
> To prepare you for the long holiday weekend, we’ll be having a general meeting today, September 2, at 12:00 ET.  The agenda can be found here: https://indico.bnl.gov/conferenceDisplay.py?confId=2365
>
> At BNL, we’ll meet in Rm. 2-219.  The bluejeans connection info is the same as usual:
>
> To join the Meeting:
> https://bluejeans.com/913283451
>
> To join via Browser:
> https://bluejeans.com/913283451/browser
>
> To join via phone :
> 1)  Dial:
>       +1.408.740.7256
>       +1.888.240.2560
>       +1.408.317.9253
>       (see all numbers - http://bluejeans.com/numbers)
> 2)  Enter Conference ID : 913283451
>
> Talk to you at noon (ET),
> Dave and Gunther
>
> David Morrison        Brookhaven National Laboratory  phone: 631-344-5840
>                               Physics Department, Bldg 510 C  email: dave AT bnl.gov
>                               Upton, NY 11973-5000
>
>
>
>
>

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

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