sPHENIX HCal discussion

[John Haggerty <haggerty AT bnl.gov>]

Thanks to help from Milap Patel, Jonathan Runchey, and Debbie Israel 
from Iowa State, we were able to complete what I hope is the final run 
of T1044 in 2018 with the combined energy scan of EMCAL (sPHENIX 
orientation), uninstrumented aluminum Inner HCAL frame, and Outer HCAL. 
The detector and instrumentation seemed to be in good order, but the 
analysis will be the final arbiter of that.  The beamline for these data 
was clear--T992 moved their apparatus out of the beam Saturday night and 
handed it over to us. The data are all at RCF and the index is here:

> https://www.phenix.bnl.gov/WWW/sPHENIX/haggerty/t1044/2018c/

The haul by energy:

> -28.0|1060434
> -24.0|1066917
> -20.0|1035363
> -16.0|1049827
> -12.0|1018710
> -8.0|1548978
> -6.0|1028393
> -5.0|528847
> -4.0|1041751
> -3.0|518992
> 40.0|271795
> 50.0|201953
> 120.0|524953

Two things didn't happen that might have been nice... I was hoping to 
get a slug of data without the upstream material into the instrumented 
IHCAL; we have that data from 2018b, but I needed help with the crane to 
take out the IHCAL, so we couldn't fit more of it in this time.  Another 
thing that might have been interesting would have been if I had realized 
we might have been able to put the instrumented IHCAL behind the Outer 
HCAL when we put in the aluminum as a leakage detector... I didn't think 
of it until the steel was parked on the floor a few feet away.

But it's done, and the rest of the week should be quiet, no?

--
John Haggerty
email: haggerty AT bnl.gov
cell: 631 741 3358