confirmation of Nihar's results on residuals for different particle species

This is to confirm Nihar's results: http://drupal.star.bnl.gov/STAR/blog/nihar/2011/feb/24/identified-particlesppbarkk-pipi-residual-y

 

PIP                                                                                                                                      PIM

 

KP                                                                                                                                       KM

 

PR                                                                                                                                       PM