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Lepton flavour violation and neutrino masses

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Academic year: 2021

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Fig ure 22 1: Ta u lepto n- fla vo r- vio la ting bra nc hing fra ctio n up per limits summa ry plo t
Table 1: Current bounds on a small set of LNV semileptonic meson and tau decays [ 1, 27, 28 ] .
Figure 2: On the left, CR( µ − e) and BR( µ → eee) as a function of m 4 ; the for- for-mer is displayed in dark blue (left axis), while the latter is depicted in cyan (right axis)
Figure 3: On the left, LNV BR( τ − → µ + P 1 − P 2 − ), with (P 1 − P 2 − ) = (π − π − , π − K − , K − K − ) , as a function of the heavy sterile state mass, m 4
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