sPHENIX cold QCD topical group

[John Lajoie <lajoie AT iastate.edu>]

Hi Dave,

    I think your proposed title is good.  I do agree that the "BNL Concept Detector" title is misleading and if it were me I would state that to Thomas and strongly suggest the title be changed. Just putting an "A" in front would go a long ways. Leaving it as it stands is actually kind of against the stated purpose of the workshop, which is to "start the discussion" about the kind of detector required to do the physics.  Implying that there is already a selection by laboratory is not consistent with that.

John

On 11/1/2017 11:07 AM, David Morrison wrote:

Hi John et al,

I talked to Thomas Ullrich about wanting to change the talk title.  I
didn't yet suggest a specific new title, but aligning it with the title
of the letter of intent on the arXiv, I'd propose it be something like:

Detector concept using the BaBar solenoid

That's short enough to fit in with the other titles.  I'm not so happy
to see that there a talk "BNL Concept Detector" which I presume will be
about "BEAST".  I don't mind that there's a talk about a "green field"
detector for eRHIC, but I think the title implies that it's BNL's
preferred design.

Thoughts?

Dave

On 10/30/17 1:10 PM, John Lajoie wrote:

Hi Dave,

    Just a few comments to get the discussion rolling....

    I think the issue with the title of the talk on the agenda points
out the main issue between sPHENIX and the EIC detector community.  The
fact that it is so easily referred to as "ePHENIX" attaches a label that
implies that "ePHENIX" is a complete concept, and when people from
outside sPHENIX start from that point it makes communication and
discussion difficult at best. It leaves an impression that we are trying
to push "ePHENIX" from an economic starting point, not necessarily from
what does the best physics, and it leaves little room for involvement
outside the sPHENIX collaboration.

    As you rightly point out, nothing could be further from the truth,
and we need to fight that impression.  The change in title is a good
(and necessary) start, but of course you will have to pitch your talk
carefully as well.  You could take a very extreme view and be very
explicit that if you were to just take the magnet and flux return (and
therefore the outer HCAL) and threw away everything else you would have
a foundation for an EIC detector that would build on the existing
BNL/DOE investment.  You could then discuss the "EIC detector concept"
as a strawman, and welcome and encourage other approaches that build on
the sPHENIX foundation.

    Just my $0.02.

John

On 10/30/2017 11:02 AM, David Morrison wrote:

Dear sPHENIX cold QCD TG,

I've been asked to give a very brief presentation on "ePHENIX" at the
upcoming EICUG Detector Discussion Meeting, November 30 & December 1 at
Temple University in Philadelphia.  It would be very useful to discuss
how to approach this presentation. The agenda for the meeting is now
online here:

https://indico.bnl.gov/conferenceOtherViews.py?confId=3737

One thing I can see right from the start is that we should ask the
organizers to rename the presentation.  Some of you will recall we went
to lengths to refer to an EIC detector at IP8 in the very open terms –
the 2014 letter of intent on the archive is titled, "Concept for an
Electron Ion Collider (EIC) detector built around the BaBar solenoid".
I think that continued openness serves us well.

But changing the title is a pretty minor consideration.  There are many
other aspects of this presentation that would be good to discuss.

Cheers,
Dave

-- 

*John Lajoie*

Professor of Physics

Iowa State University

 

(515) 294-6952

lajoie AT iastate.edu

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John Lajoie

Professor of Physics

Iowa State University

 

(515) 294-6952

lajoie AT iastate.edu

Contact me: john.lajoie