sPHENIX discussion of physics

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

Dear Colleagues

You might find this seminar interesting, in particular at the gate of the 
simulation campaigns. 

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
______________________________

-----Original Message-----
From: Physics-seminars-l <physics-seminars-l-bounces AT lists.bnl.gov> On Behalf 
Of elamar AT bnl.gov
Sent: Tuesday, November 9, 2021 8:03 AM
To: physics-seminars-l AT lists.bnl.gov
Subject: Today's Seminars


Nuclear Physics Seminar
"Optimizing PYTHIA 8 event generation with RHIC data"
Presented by Dr Raghav Kunnawalkam Elayavalli, Yale University and BNL

Tuesday, November 9, 2021, 11:00 am — Videoconference / Virtual Event (see 
link below)

Abstract: The PYTHIA event generator is one of the most commonly used general 
purpose monte carlo models in the high energy community. It includes a 
parameterized representation of high energy collisions with the individual 
parameters commonly tuned to legacy e+e- and ep deep inelastic scattering 
data. Once tuned, it has been shown to effectively reproduce the general 
trends in pp collisions at the large center of mass energies available at the 
Large Hadron Collider (LHC). Recent data from experiments at Relativistic 
Heavy Ion Collider (RHIC) with significantly lower collision energies 
showcased qualitative differences between the data and PYTHIA 8 predictions. 
In this talk, I will motivate the need for and present a new tune of the 
underlying event and multi-parton interaction parameters for PYTHIA 8.306 
using mid-rapidity inclusive spectra, jet sub-structure, Drell-Yan 
production, and underlying event measurements from pp collisions at RHIC and 
Tevatron. With respect to the default Monash Tune, the new `Detroit' tune 
shows significant improvements in the description of mid-rapidity data at 
both RHIC and LHC energies. Along with discussing why this is the case, we 
will also ponder the validity of PYTHIA 8 predictions for forward rapidity 
particle production where neither tunes are able to describe data.

Hosted by: Brian Page

Join Videoconference: 
https://bnl.zoomgov.com/j/1618659309?pwd=Unc4QTY4QUlBUXoyY1lEeGRMSDh2Zz09
More Information: https://indico.bnl.gov/event/13702/


Thank you,
Erica Lamar
Brookhaven National Laboratory
Physics Department
Administrative Assistant to the Chair's Office Building 510A Upton, NY 
11973-5000
(631) 344-2585
elamar AT bnl.gov<mailto:elamar AT bnl.gov>
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