$ sudo apt-get update
$ sudo apt-get install root-macro-fastjet 

root-macro-fastjet is installed in your system.

Make ensure the root-macro-fastjet package were installed using the commands given below,

$ sudo dpkg-query -l | grep root-macro-fastjet *

You will get with root-macro-fastjet package name, version, architecture and description in a table

root-macro-fastjet package basic information: