sPHENIX discussion of electronics

["Huang, Jin" <jhuang AT bnl.gov>]

Hello Everyone,

Thanks for the suggestions from John and Eric. I have prepared a calorimeter 
talk abstract as following. I also hope to coordinate with collaborators 
regarding adjustments and submission. 
______________________________

Design and test-beam performance of the sPHENIX calorimeter system 

The sPHENIX Collaboration at RHIC is planning a major upgrade to the PHENIX 
experiment by constructing an entirely new spectrometer based on the former 
BaBar solenoid magnet that will enable a comprehensive study of jets and 
heavy quarkonia in relativistic heavy ion collisions. The sPHENIX 
spectrometer will include one tungsten-scintillating fiber electromagnetic 
calorimeter surrounded by two layers of steel-scintillator sampling hadronic 
calorimeters, which will cover an acceptance of ±1.1 units in pseudorapidity 
and full azimuth. The first prototype of this calorimeter system has been 
tested at Fermilab in April of 2016, while the second prototype is taking 
data in early 2017. Design considerations, test beam results and performance 
projection for the sPHENIX calorimeter system will be presented in this talk.
______________________________


Best regards

Jin

______________________________

Jin HUANG

Brookhaven National Laboratory
Physics Department, Bldg 510 C
Upton, NY 11973-5000

Office: 631-344-5898
Cell:   757-604-9946
______________________________

From: sphenix-emcal-l-bounces AT lists.bnl.gov 
[mailto:sphenix-emcal-l-bounces AT lists.bnl.gov] On Behalf Of Megan Connors
Sent: Monday, September 26, 2016 10:31 PM
To: Mannel, Eric <mannel AT bnl.gov>
Cc: sphenix-electronics-l AT lists.bnl.gov; sphenix-emcal-l AT lists.bnl.gov; 
sphenix-hcal-l AT lists.bnl.gov
Subject: Re: [Sphenix-emcal-l] [Sphenix-hcal-l] QM abstracts

Dear all,
I would also like to submit an abstract on the HCal/testbeam. A drafted 
abstract is below. I hope to coordinate the details with others.   
Best Regards,
-Megan 

A Prototype of the sPHENIX Hadronic Calorimeter 
The proposed sPHENIX experiment is designed to reconstruct jets in heavy-ion 
collisions at RHIC. A crucial component to reconstructing the energy of jets 
is the sPHENIX calorimeter system which includes electromagnetic and hadronic 
calorimeters. The hadronic calorimeter (HCal) is a sampling calorimeter with 
alternating layers of steel absorber and scintillating tiles.  There is an 
inner and larger outer HCal, located inside and outside of the solenoid 
detector. Prototypes of the EMCal, inner HCal and outer HCal were tested at 
the Fermilab Test Beam Facility. Measurements of the energy resolution 
satisfy the requirements of the proposed sPHENIX physics program and are 
consistent with GEANT4 simulations. In addition to results of the test beam, 
the tile testing and calibration procedure for the HCal will be discussed. 


On Mon, Sep 26, 2016 at 6:04 PM, eric mannel <mannel AT bnl.gov> wrote:
John-
I agree with your assessment of the calorimeter talks at QM. 
In terms of electronics, I would suggest this for the electronics: 
1. Front end (SiPMs/Analog section, including temperature and leakage current 
compensation and slow control (Sean/Eric/Steve)
2. Digitizers/calorimeter trigger (Sara/Chi)
3. DAQ including tracking (Martin)
For the test beam results, I am wondering if we should not push for a talk 
along with a posters focused on the EMCal and HCal analysis separately; Jin 
for the talk and Virginia and Abhishek respectively for posters. 
Ron and Vera would be natural for the HCal and EMCal detector construction 
posters respectively.
Eric
On 9/26/16 4:26 PM, John Haggerty wrote:
Hello,

I think that we should cover all parts of the sPHENIX proposal in the 
Quark Matter poster abstracts if possible; Tom had a nice organization 
of the tracking-related abstracts, but the calorimeters have some holes 
and inconsistencies.

I think the abstracts we want are these:

EMCAL detector
HCAL detector (including tile testing?)
Calorimeter electronics and SiPM's
Digitizer and calorimeter trigger
Beam test results

Data acquisition and triggering (including TPC, INTT, and MAPS)
Minimum bias trigger device?

Magnet? (low and high field testing, mapping, etc)?

Items with question marks are ones that I consider optional.



-- 
Eric J. Mannel, Ph.D.
PHENIX Group
Physics Dept.
Brookhaven National Laboratory
631/344-7626 (Office)
914/659-3235 (Cell)

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