Sphenix-calibration-l mailing list

["Frantz, Justin" <frantz AT ohio.edu>]

Hi guys,  I would be willing to write it up.   Perhaps though it's easiest to 
just attend Jamie's open meeting tomorrow on this (I was planning to) and 
express it there--- if we can come to a bit more of  a conclusion about it.  

Cause I think I knew where the general conclusion was headed but we did table 
the discussion before we had quite reached the end.   Perhaps we could just 
by email see if we can just make some statements concerning our areas that 
would form the basis of such a response, then I can try to integrate them 
essentially, and already bring up whatever fraction is appropriate by 
tomorrow's meeting.    

I had a couple questions though based on the discussion we did have:  First 
for Aaron, if I understood your point of view, you do think it could work for 
the JETS to get the p+p calibration data 0.75yr to 1 yr  afterwards,  ie and 
essentially finalize calibration after the fact, but you are more concerned 
with the pressure to come up with first results before that (like R_CP), 
managing expectations (more internal or external?)?

Here's a crazier idea:  what about commissioning with deuteron+deuteron or if 
there is another small system that has a more similar e/m  so that the 
magnet's don't need moved or as far?   (this was the original motivation in 
my understanding why Rhic did d+Au in the first decade rather than p+Au.)  If 
this is at all a possibility I assume d+d would be virtually be the same as 
p+p even for jets UE event etc (OK there's a little difference).  Is 
something as large as d+Au still "OK" ie quite better than peripheral AuAu?   
How big could it go if this would work? 


----------------------------------------------
Justin Frantz, Ph. D.  
RHIC/AGS User Executive Committee
Brookhaven National Lab
Associate Professor
Ohio University Dept. Of Physics and Astronomy   
frantz AT ohio.edu   
646-228-2539  
PERSONAL ZOOM MEETING:  369-910-7530   Password:  1


> -----Original Message-----
> From: Christof E Roland [mailto:cer AT mit.edu]
> Sent: Thursday, August 13, 2020 4:30 AM
> To: Christof Roland via sPHENIX-calibration-l
> Cc: Frantz, Justin; Megan Connors; Aaron Angerami; Takao Sakaguchi
> Subject: BUR input from Calibration TF
> 
> Hi Everybody,
> 
> in the last TF meeting we mentioned writing a few lines as input to the next
> BUR meeting on Friday.
> Would anybody voluteer to prepare a draft?
> 
> Thanks
> 
>    Takao & Christof