sPHENIX HCal discussion

["Lajoie, John G [PHYSA]" <lajoie AT iastate.edu>]

Hi Dennis, Megan:

    If the statement that you are trying for ends up being too long with qualifiers, then it's likely you're trying too hard and it would be best to drop the statement altogether.

Just my $0.02,
John

On 5/4/2016 9:54 AM, Megan Connors wrote:

Hi Dennis,

Thanks for the link, I was wondering that too and should have stuck with my initial idea: "the first hadronic
calorimeter ever used at RHIC for studying reconstructed jets in heavy-ion collisions" But I don't know if this makes the statement too long.

Best,

-Megan

On Wed, May 4, 2016 at 10:46 AM, Dennis V. Perepelitsa <dvp AT bnl.gov> wrote:

Hi all,

Are we sure that is true (first HCal used for full jet reco)? I thought the AnDY measurement was in fact a full (forward) jet measurement: http://www.sciencedirect.com/science/article/pii/S0370269315007522 

Dennis V. Perepelitsa

http://pubweb.bnl.gov/~dvp/

On May 4, 2016, at 10:12 AM, Megan Connors <meganEconnors AT gmail.com> wrote:

Hi Craig and Chris,

I guess to be even more explicit on this point you could say "the first hadronic
calorimeter ever used at RHIC for full jet reconstruction" instead of just "the first hadronic
calorimeter ever used at RHIC"

Best,

-Megan

On Wed, May 4, 2016 at 9:01 AM, Craig Woody <woody AT bnl.gov> wrote:

Hi Chris,
  OK. Well, yes, I guess that's technically true. But they weren't used to measure jets. I think it's pretty clear what's meant in this context.

Cheers,
Craig

On 5/4/2016 8:49 AM, pinkenburg wrote:

Hi Craig,

I think we had this discussion last year about this claim of the first ever hadronic calorimeter at RHIC. We have the zdc's and we ran with the fcal which are hadronic calorimeters at RHIC. AnDY also had a hadronic calorimeter.

Chris

On 5/3/2016 12:44 PM, woody wrote:

Dear All,
   We're planning to submit the following abstract to this year's IEEE 
NSS/MIC on our recent test beam results. Please let us know if you have 
any comments by the end of the day today.

The PHENIX Experiment at RHIC is planning a major upgrade that involves 
building an entirely new spectrometer based around the former BaBar 
solenoid magnet that will enable a comprehensive study of jets and heavy 
quarkonia in relativistic heavy ion collisions. It will include two new 
calorimeter systems, one electromagnetic and one hadronic, that will 
cover an acceptance of ±1.1 units in pseudorapidity and 2 pi in azimuth. 
The hadronic calorimeter (HCAL), which will be the first hadronic 
calorimeter ever used at RHIC, will be a steel plate and scintillating 
tile design that is read out with wavelength shifting fibers and silicon 
photomultipliers. It will be divided into two sections: an Inner HCAL 
situated inside the magnet and an Outer HCAL located outside the magnet. 
The electromagnetic calorimeter will be a SPACAL design consisting of a 
tungsten powder epoxy matrix absorber with embedded scintillating fibers 
which are also read out with silicon photomultipliers. Prototypes of all 
three calorimeter detectors have been built and tested in the test beam 
at Fermilab in April of 2016. Results from those tests, along with a 
detailed comparison to Monte Carlo simulations, will be presented in 
this talk.

Many thanks,
Craig
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Brookhaven National Laboratory	;    phone: (631) 344-5692
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John Lajoie

Professor of Physics

Iowa State University

 

(515) 294-6952

lajoie AT iastate.edu

Contact me: john.lajoie