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

Figure 3

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 is computed with respect to the positron.