sPHENIX discussion of physics

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

Announcements

• Please enter your votes in the new poll for the meeting time: http://whenisgood.net/ra3w33y 

PF Jet - Antonio da Silva 

Summary: Testing a track-based background subtraction procedure. Looks promising in the first test

 

Slide 4: 

Jin/Antonio: Cost-benefit analysis of this procedure: any background subtraction leads to biases. And the particular choice of procedure here will lead to lower number of low energy tracks, which is likely a good choice of the cost for backgroudn subtraction. 

Tony: tracking based analysis has smaller efficiency at lower pT, which could lead to further complications (keep in mind)

  

Slide 7+ : 

Tony: How tracking inefficiency show up in the pT reco truth matching? 

Antonio: expecting negative shifting for the reco/truth ratio. 

Joe: truth track study would be useful to see both scale change and smearing changes. 

Tony: use tracking efficiency to compensate for loss of tracks 

Xuan/Antionio: truth jet definition involve charged particle only  

Xuan: the long tail towards higher reco jet energy is intriging 

Tony/Antonio: track-calo matching is not yet used

 

 

 

______________________________

 

Jin HUANG

 

Physicist, Ph.D.

Brookhaven National Laboratory

Physics Department, Bldg 510 C

Upton, NY 11973-5000

 

Office: 631-344-5898

Cell:   757-604-9946

______________________________

 

From: Huang, Jin
Sent: Thursday, June 22, 2023 10:42 AM
To: Sphenix-upsilons-l AT lists.bnl.gov; sphenix-hf-Jets-l AT lists.bnl.gov
Cc: sphenix-physics-l AT lists.bnl.gov
Subject: RE: Reminder: HF/Q TG Meeting Thu at 11:30AM ET

 

Oops. There was a typo on the meeting time. This week we use the slot on Thu at 11:30AM ET

 

Talk to you in about one hour

 

Cheers

 

Jin

 

 

______________________________

 

Jin HUANG

 

Physicist, Ph.D.

Brookhaven National Laboratory

Physics Department, Bldg 510 C

Upton, NY 11973-5000

 

Office: 631-344-5898

Cell:   757-604-9946

______________________________

 

From: Huang, Jin
Sent: Wednesday, June 21, 2023 6:48 PM
To: 'Sphenix-upsilons-l AT lists.bnl.gov' <Sphenix-upsilons-l AT lists.bnl.gov>; 'sphenix-hf-Jets-l AT lists.bnl.gov' <sphenix-hf-jets-l AT lists.bnl.gov>
Cc: 'sphenix-physics-l AT lists.bnl.gov' <sphenix-physics-l AT lists.bnl.gov>
Subject: Reminder: HF/Q TG Meeting Friday at 3pm ET

 

Dear all

 

Reminder of our joint Heavy Flavor/Quarkonium TG meeting Thu at 11:30AM ET. 

Currently on the agenda at https://indico.bnl.gov/event/19914/ we have:
 
•    Introduction - Conveners
•   PF Jet – Antonio da Silva 

The zoom link is bnl.zoomgov.com/j/1613938007?pwd=QjYzUnpYQ2xNZWZLSy9qd3Z4dFpzZz09
 
We look forward to talking to you!

Marzia, Cameron, Jin, and Tony

 

 

 

______________________________

 

Jin HUANG

 

Physicist, Ph.D.

Brookhaven National Laboratory

Physics Department, Bldg 510 C

Upton, NY 11973-5000

 

Office: 631-344-5898

Cell:   757-604-9946

______________________________