Jet Cleansing

Jet Cleansing

   

 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