STAR HardProbes PWG

[Frank Geurts <geurts AT rice.edu>]

Begin forwarded message:

From: Peter Berta <peter.berta AT cern.ch>

Subject: Advertisement of a new rho estimation method

Date: December 2, 2024 at 7:42:07 AM CST

To: geurts AT rice.edu, ruan AT bnl.gov

Cc: Martin Spousta <martin.spousta AT cern.ch>

Dear Frank and Lijuan,

can you please forward this message to the STAR group which works with jets?

We would like to advertise a new method to estimate rho (the background pT density used to subtract pileup/background) which was published here:

https://link.springer.com/article/10.1007/JHEP08(2024)078

The new method is a replacement of the currently used jet-area median background estimation method. It has potential to improve the background mitigation for jets when using Area Subtraction (arXiv:0707.1378) or Constituent Subtraction (arXiv:1403.3108, arXiv:1905.03470).

If you are interested, I can give a talk at one of your internal meetings where I can describe this new method.

Best regards,
Martin and Peter

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