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sphenix-l - Re: [Sphenix-l] [sPH-GEN-2017-002] Collaboration comments on 2017 descoping document

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Subject: sPHENIX is a new detector at RHIC.

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  • From: Martin Purschke <purschke AT bnl.gov>
  • To: sphenix-l AT lists.bnl.gov
  • Subject: Re: [Sphenix-l] [sPH-GEN-2017-002] Collaboration comments on 2017 descoping document
  • Date: Sun, 22 Oct 2017 10:44:28 -0400

All,

nicely written document! Some remarks...

I cannot claim that I have been at every meeting, but I don't recall
seeing the 15%-ish *increase* in efficiency in Fig 1.3 (right) at low z
values. This large difference just between the instrumented and
non-instrumented setups (where no instrumentation seems better) is
somewhat counter-intuitive to my eye.

Rosi presented John's distributions in slightly different form at the
Oct 6 fortnightly meeting, and there it looked less pronounced (in both
cases the green curve). Also there the low-z enhancement was in the
charged leading particle plot, neutral was flat, opposite of fig. 1.3.
Is there a simple explanation why one would expect that?


In line 114 the arrow in Y-> e+e- points the wrong way.

My 5cts,

Martin


On 10/21/17 00:02, Gunther M Roland wrote:
>
> 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.
> _______________________________________________
> sPHENIX-l mailing list
> sPHENIX-l AT lists.bnl.gov
> https://lists.bnl.gov/mailman/listinfo/sphenix-l
>


--
Martin L. Purschke, Ph.D. ; purschke AT bnl.gov
; http://www.phenix.bnl.gov/~purschke
;
Brookhaven National Laboratory ; phone: +1-631-344-5244
Physics Department Bldg 510 C ; fax: +1-631-344-3253
Upton, NY 11973-5000 ; skype: mpurschke
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