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This script tells you how the mass of a pair of particles varies with helicity angle, if you assign the wrong mass hypothesis to the two particles. The example shows how the \(\Lambda\to p\pi\) can fake a \(K^0_S\to\pi\pi\) decay at large values of helicity.
| True decay | |
|---|---|
| True parent mass: | |
| First true daughter mass: | |
| Second true daughter mass: | |
| Reconstructed decay | |
| First reconstructed daughter mass: | |
| Second reconstructed daughter mass: | |
| Momentum spectrum and unit settings | |
| Units | |
| Lower momentum limit: | |
| Upper momentum limit: | |
| Number of points: | |
