@misc{10481/67226,
year = {2020},
url = {http://hdl.handle.net/10481/67226},
abstract = {The presence of massive sterile neutrinos 
N
 mixed with the active ones induces flavor violating processes in the charged lepton sector at the loop level. In particular, the amplitude of 
H
0
→
¯
ℓ
i
ℓ
j
 is expected to be proportional to the product of heavy-light Yukawa couplings 
y
i
y
j
=
2
s
ν
i
s
ν
j
m
2
N
/
v
2
, where 
s
ν
i
,
j
 express the heavy-light neutrino mixings. Here, we revisit these Higgs decays in the most generic extension of the neutrino sector, focusing on large values of 
y
i
. We show that decoupling effects and a cancellation between the two dominant contributions to these processes makes the amplitude about 100 times smaller than anticipated. We find that perturbative values of 
y
i
 giving an acceptable contribution to the 
ρ
 parameter imply 
B
(
H
0
→
¯
ℓ
i
ℓ
j
)
<
10
−
8
 for any lepton flavors, a rate that is not accessible at current colliders.},
organization = {Spanish Ministry of Science, Innovation and Universities 

FPA2016-78220-C3
PID2019-107844GB-C21/AEI/10.13039/501100011033},
organization = {Junta de Andalucia

FQM 101
SOMM17/6104/UGR
P18-FR-1962
P18-FR-5057},
organization = {Consejo Nacional de Ciencia y Tecnologia (CONACyT)},
publisher = {AMER PHYSICAL SOC},
title = {ρ  parameter and  H 0 → ℓ i ℓ j  in models with TeV sterile neutrinos},
doi = {10.1103/PhysRevD.102.113006},
author = {Hernández Tomé, G. and Illana Calero, José Ignacio and Masip Mellado, Manuel},
}