sPHENIX cold QCD topical group

[Ralf Seidl <rseidl AT rcf.rhic.bnl.gov>]

Hi Devon,

yes, looks good to me, too.

Cheers,

Ralf

On 2023-09-20 06:34, Riedl, Caroline wrote:
> Hi Devon,
>
>  Good to go to print from my side!
>
>  (Maybe change "transversity distribution" to "transversity PDF" - to
> be consistent with "Sivers TMD PDF" right above.)
>
>  Best,
>  Caroline
> ---
> Caroline Riedl
> Research Associate Professor
> Department of Physics, UIUC
>
> -------------------------
>
> From: Devon Loomis <dloom AT umich.edu>
> Sent: Tuesday, September 19, 2023 11:29
> To: Ralf Seidl <rseidl AT rcf.rhic.bnl.gov>; Riedl, Caroline
> <criedl AT illinois.edu>
> Cc: sphenix-cold-qcd-l AT lists.bnl.gov
> <sphenix-cold-qcd-l AT lists.bnl.gov>
> Subject: Re: [Sphenix-cold-qcd-l] Poster Draft for Spin 2023
>
> Hi Caroline and Ralf,
>
> Thank you for the comments. I have tried to address them all in this
> updated version of the poster. I could not find a public source for
> the DiIFF plot after looking around so instead I have included a
> Collins asymmetry plot. I have also gone back and tried to increase
> resolution on all plots from the previous version. I will still
> include the plots with 62 pb^-1 but will make sure to verbally mention
> that the statistical errors would be scaled up by roughly 25% with
> updated luminosity projections.
>
> Thanks,
> Devon
>
> On Mon, Sep 18, 2023 at 10:49 PM Ralf Seidl
> <rseidl AT rcf.rhic.bnl.gov> wrote:
>
> > Hi Devon,
> >
> > I generally agree with Caro's comments. For the neutron AN figures,
> > there exist published plots from either PHENIX or the dedicated IP12
> >
> > experiment at the beginning of RHIC
> > (https://inspirehep.net/literature/728677 [1]) that you should use
> > and
> > reference.
> >
> > About the online monitoring plots, the general PHENIX policy is, as
> > far
> > as I remember, that non-physics plots are typically ok to show
> > without
> > them being published or approved. As such, I think those figures are
> >
> > probably fine and instructive. Maybe put also a "raw" in front of
> > "neutron asymmetry from square root formula".
> >
> > A style suggestion, if you can, I would make the green in the first
> > formula also a bit darker for better visibility.
> >
> > Enjoy Spin,
> >
> > Ralf
> >
> > On 2023-09-16 07:11, Riedl, Caroline via sPHENIX-cold-QCD-l wrote:
> > > Hi Devon,
> > >
> > > Thanks for preparing a nice poster for SPIN! I have a few
> > comments,
> > > most of them minor.
> > >
> > > *
> > > General: It would be good if you could add some mentioning of the
> > 2024
> > > pp running (for example, in the center of the RHIC sketch?). In my
> > > view, you don't have to quote an "expected total lumi" number in
> > the
> > > current situation; but if somebody asks, you could quote from the
> > > table in on page 8 of Dennis' talk at the PAC meeting:
> https://indico.bnl.gov/event/20331/contributions/79936/attachments/49639/84911/dvp-PAC-9-11-23.pdf
> > [2]
> > > [1]
> > > Having said this, the projection plots you show are for the
> > expected
> > > lumi that was assumed to be correct for several years, that is,
> > > 62pb-1. You can compare this to the rightmost column in the
> > mentioned
> > > table. One can (roughly) say that the error bars (which are
> > > statistical only) in the projection plots you show have to be
> > scaled
> > > up by a factor of 25% (because of the 50% of reduction in lumi ==>
> > > error goes with the sqrt)
> > >
> > > *
> > > Top left box:
> > >
> > > *
> > > The A_N formula is hidden a tiny bit at the bottom
> > >
> > > *
> > > Middle left box:
> > >
> > > *
> > > SPHENIX --> sPHENIX 🙂
> > >
> > > *
> > > Bottom left box:
> > >
> > > *
> > > The DiIFF projection plot is not in the BUP 2023 (which you cite).
> > Is
> > > it contained in any of the other references you cite? We have to
> > make
> > > sure it is a public plot. I believe that SashaB made this plot and
> > the
> > > last reference I found to it was the CM Jan 2022,
> https://indico.bnl.gov/event/14039/contributions/58406/attachments/39124/64698/sPHENIX_CollMeet_7jan2022.pdf
> > [3]
> > > [2] . Let me know if I can help with pinning down the source.
> > > *
> > > In addition to the general comment above about scaling the error
> > bars,
> > > in the DiIFF plot you need to entirely ignore the blue points,
> > since
> > > they are for eta up to 2... which we don't have (|eta_max|=1.1)
> > >
> > > *
> > > Top right:
> > >
> > > *
> > > The mentioning of "CW" and "CCW" - is it needed? These
> > abbreviations
> > > do not appear anymore after.
> > > *
> > > The sketch with the colliding bunch patterns is nice. Is there one
> > for
> > > collisions at IP8 too? 🙂 Could you easily tweak the sketch to
> > make
> > > one?
> > > *
> > > Also related to the RHIC sketch - you mention "RHIC" only one
> > time, in
> > > the references. Add/ place it somewhere close to the sketch.
> > > *
> > > Some of the figures have really poor resolution, which may be too
> > well
> > > visible when printed... (for example but not limited to the A_N
> > plots)
> > > *
> > > Middle right:
> > >
> > > *
> > > Are the PHENIX monitoring plots public?
> > >
> > > ==> I don't know. Could one of the PHENIX collaborators comment
> > > please?
> > >
> > > Best,
> > > Caroline
> > >
> > > ---
> > > Caroline Riedl
> > > Research Associate Professor
> > > Department of Physics, UIUC
> > >
> > > -------------------------
> > >
> > > From: sPHENIX-cold-QCD-l
> > <sphenix-cold-qcd-l-bounces AT lists.bnl.gov> on
> > > behalf of Devon Loomis via sPHENIX-cold-QCD-l
> > > <sphenix-cold-qcd-l AT lists.bnl.gov>
> > > Sent: Friday, September 15, 2023 15:45
> > > To: sphenix-cold-qcd-l AT lists.bnl.gov
> > > <sphenix-cold-qcd-l AT lists.bnl.gov>
> > > Subject: [Sphenix-cold-qcd-l] Poster Draft for Spin 2023
> > >
> > > Hello all,
> > >
> > > I am attaching a draft of my poster "Preparations for spin physics
> > at
> > > sPHENIX" that will be presented at Spin 2023 . Any
> > > comments/suggestions would be greatly appreciated.
> > >
> > > Thanks,
> > > Devon Loomis
> > >
> > >
> > > Links:
> > > ------
> > > [1]
> https://indico.bnl.gov/event/20331/contributions/79936/attachments/49639/84911/dvp-PAC-9-11-23.pdf
> > [2]
> > > [2]
> https://indico.bnl.gov/event/14039/contributions/58406/attachments/39124/64698/sPHENIX_CollMeet_7jan2022.pdf
> > [3]
> > > _______________________________________________
> > > sPHENIX-cold-QCD-l mailing list
> > > sPHENIX-cold-QCD-l AT lists.bnl.gov
> > > https://lists.bnl.gov/mailman/listinfo/sphenix-cold-qcd-l [4]
>
>
> Links:
> ------
> [1] 
> https://urldefense.com/v3/__https://inspirehep.net/literature/728677__;!!DZ3fjg!51-tW7Rt8-wglJAyjtmZj-vV9lCK1GaZC7xtCFe5zjHX0Fs1i9QtEhxkNsv5zCURq0eLiyKUO2lhI5u5$
> [2] 
> https://urldefense.com/v3/__https://indico.bnl.gov/event/20331/contributions/79936/attachments/49639/84911/dvp-PAC-9-11-23.pdf__;!!DZ3fjg!51-tW7Rt8-wglJAyjtmZj-vV9lCK1GaZC7xtCFe5zjHX0Fs1i9QtEhxkNsv5zCURq0eLiyKUO-ORqKyV$
> [3] 
> https://urldefense.com/v3/__https://indico.bnl.gov/event/14039/contributions/58406/attachments/39124/64698/sPHENIX_CollMeet_7jan2022.pdf__;!!DZ3fjg!51-tW7Rt8-wglJAyjtmZj-vV9lCK1GaZC7xtCFe5zjHX0Fs1i9QtEhxkNsv5zCURq0eLiyKUO0mEVac0$
> [4] 
> https://urldefense.com/v3/__https://lists.bnl.gov/mailman/listinfo/sphenix-cold-qcd-l__;!!DZ3fjg!51-tW7Rt8-wglJAyjtmZj-vV9lCK1GaZC7xtCFe5zjHX0Fs1i9QtEhxkNsv5zCURq0eLiyKUO77VukjV$