Flavor Changing Heavy Higgs Interactions with Leptons at Hadron Colliders - INSPIRE

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Flavor Changing Heavy Higgs Interactions with Leptons at Hadron Colliders

Wei-Shu Hou
(
- Taiwan, Natl. Taiwan U.
)
,
Rishabh Jain
(
- Oklahoma U.
)
,
Chung Kao
(
- Oklahoma U.
)
,
Masaya Kohda
(
- Taiwan, Natl. Taiwan U.
)
,
Brent McCoy
(
- Oklahoma U.
)

Jan 29, 2019

8 pages

Published in:

Phys.Lett.B 795 (2019) 371-378

Published: Aug 10, 2019

e-Print:

1901.10498 [hep-ph]

DOI:

10.1016/j.physletb.2019.06.044

Report number:

OU-HEP-181225

View in:

ADS Abstract Service

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Abstract: (Elsevier)

In a general two Higgs doublet model, we study flavor changing neutral Higgs (FCNH) decays into leptons at hadron colliders, pp→ϕ0→τ∓μ±+X , where ϕ0 could be a CP-even scalar ( h0 , H0 ) or a CP-odd pseudoscalar ( A0 ). The light Higgs boson h0 is found to resemble closely the Standard Model Higgs boson at the Large Hadron Collider. In the alignment limit of cos⁡(β−α)≅0 for h0 – H0 mixing, FCNH couplings of h0 are naturally suppressed, but such couplings of the heavier H0,A0 are sustained by sin⁡(β−α)≃1 . We evaluate physics backgrounds from dominant processes with realistic acceptance cuts and tagging efficiencies. We find promising results for s=14 TeV , which we extend further to s=27 TeV and 100 TeV future pp colliders.

Note:

Version to appear in Physics Letters B

12.60.Fr
12.15.Mm
14.80.Ec
14.65.Ha
new physics
Higgs model
p p: scattering
Higgs particle: production
Higgs particle: doublet: 2
Higgs particle: mass

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