sPHENIX is a new detector at RHIC.

["Aidala, Christine" <caidala AT bnl.gov>]

Dear Gunther and Dave,

After discussion in the Cold QCD Topical Group this evening, in particular 
based on a presentation by John Lajoie, we have the following proposed 
modifications to the descoping document.

L 9 - "sPHENIX program, which are jet structure, heavy-flavor jet and hadron 
production and $\Upsilon$ spectroscopy, while also having minimal impact on 
jet and dijet observables for the cold QCD program."

L 154 - "production and $\Upsilon$ spectroscopy, as well as on 
cold-QCD-related jet and dijet observables, has been evaluated using"

To insert as a new paragraph after L 169 - "In addition to its role for jet 
reconstruction, the iHCAL can play an important role for Drell-Yan and direct 
photon cold QCD measurements by improving hadron rejection by an approximate 
factor of two.  More detailed studies of the full impact on these 
measurements of replacing the iHCAL with an uninstrumented structure are 
ongoing."

Best regards,
Nils and Christine
        
-----Original Message-----
From: sPHENIX-l [mailto:sphenix-l-bounces AT lists.bnl.gov] On Behalf Of Gunther 
M Roland
Sent: Saturday, October 21, 2017 12:02 AM
To: sphenix-l AT lists.bnl.gov
Subject: [Sphenix-l] [sPH-GEN-2017-002] Collaboration comments on 2017 
descoping document


Friends,

As discussed at the General Meeting today, we are forwarding draft 1 of our 
document outlining the detector scope for a $32M cost cap. The pdf file can 
be found at 
https://www.dropbox.com/s/5wyutbndogozm5q/sPH-GEN-2017-002_v1.pdf?dl=0
(we'll provide another link tomorrow for those that can't access dropbox)

Please send your comments in reply to this mail, keeping the 
[sPH-GEN-2017-002] tag in the subject line***. Comments received by 
close-of-business on Monday, 10/23, will be most useful. 

Cheers,

Gunther and Dave

***we will move future reviews to an sphenix-notes-l AT bnl.gov list, but the 
list couldn't be generated in time for this note.
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