Higgs – Induced Lepton Flavor Violation
Higgs – Induced Lepton Flavor Violation
Higgs – Induced Lepton Flavor Violation
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Bounds on <strong>Higgs</strong> couplings : 2-loops<br />
10<br />
observable<br />
BR (¹ ! e°)<br />
BR (¿ ! ¹°)<br />
BR (¿ ! e°)<br />
constraint<br />
³<br />
jy 12 j 2 + jy 21 j 2´1=2 < 6 £ 10<br />
¡6<br />
³<br />
jy 23 j 2 + jy 32 j 2´1=2 < 4 £ 10<br />
¡2<br />
³<br />
jy 13 j 2 + jy 31 j 2´1=2 < 3 £ 10<br />
¡2<br />
d e<br />
¯¯Im y 11¯¯ < 6 £ 10 ¡7<br />
d ¹<br />
¯¯Im y22¯¯ < O(10 2 )<br />
±a e<br />
¯¯Re y 11¯¯ < 0:27<br />
±a ¹<br />
¯¯Re y 22¯¯ < 0:21<br />
Particularly<br />
strong<br />
constraint !<br />
(* NB : We also checked constraints coming from μ → e transitions in nuclei (Au, Ti)<br />
assuming SM couplings for quarks, bounds are quite weaker ~O(10 −³ - 10 −⁴).<br />
*)
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