Based on ?? by David Krohn, Matthew Low, Matthew D. Schwartz, and Lian-tao Wang

The fastjet plugin can be downloaded here

 

On this web page, we present some additional plots beyond what is in the paper.

 

 

 

To evaluate the efficacy of pileup removal routines, we can look at the 2D distributions of an observable using just the particles from the leading vertex (truth information), and that observable after pileup is added and removed. Here are some distributions for various methods.

 

 

Dijet Mass

Jet Mass

No trimming

Trimming

No trimming

Trimming

Area/

shape

subtraction

Ch. hadron

+area/shape

subtraction

JVF

cleansing

Linear

cleansing

Gaussian

cleansing

Dijet Mass

Jet Mass

No trimming

Trimming

No trimming

Trimming

No

correction

Area/

Shape

subtraction

Ch. hadron

+area/shape

subtraction

JVF

cleansing

Linear

cleansing

Gaussian

cleansing