Comparison of ​HORACE and ​PHOTOS Algorithms for Multiphoton Emission in the Context of Boson Mass Measurement

Figure 4

Clockwise from top-left: comparisons of the distributions of , , , and GeV) for the process between the “Born” mode of OLD HORACE interfaced with PHOTOS and OLD HORACE in the exponentiation mode. The smaller of the two values with respect to the two muons is shown.