Probing the Goldstone equivalence theorem in Heavy Weak Doublet Decays
Abstract
This paper investigates the decays from heavy Higgsino-like weak doublets into Z, h bosons and missing particles. When pair-produced at the LHC, the subsequent Z, h→ℓℓ, bb¯ decays in the doublet decay cascade can yield 4ℓ, 2ℓ2b and 4b+E_T+j(s) final states. Mutual observation of any two of these channels would provide information on the associated doublets' decay branching fractions into a Z or h, thereby probing the Goldstone equivalence relation, shedding additional light on the Higgs sector of beyond the Standard Model theories and facilitating the discrimination of various contending models, in turn. We compare the Z/h decay ratio expected in the minimal supersymmetric model, the next-to-minimal supersymmetric model (NMSSM)and a minimal singlet-doublet dark matter model. Additionally, we conduct a full Monte Carlo analysis of the prospects for detecting the targeted final states during 14 TeV running of the LHC in the context of a representative NMSSM benchmark model.
Additional Information
© 2016 American Physical Society. (Received 25 September 2015; published 15 March 2016) We would like to thank Teruki Kamon, Nikolay Kolev and Keith Ulmer for helpful discussions. B. D. acknowledges support from U.S. Deparment of Energy (DOE) Grant No. DE-FG02-13ER42020. Y. G. acknowledges support from the Mitchell Institute for Fundamental Physics and Astronomy. D. S. acknowledges support from U.S. DOE Grant No. DEFG0292ER40701 and the Gordon and Betty Moore Foundation through Grant No. 776 to the Caltech Moore Center for Theoretical Cosmology and Physics. J. W. W. acknowledges support from the Sam Houston State University (SHSU) Enhancement Research Grant program, National Science Foundation Grant No. PHY-1521105, the SHSU Department of Physics, and the Mitchell Institute for Fundamental Physics and Astronomy.Attached Files
Published - PhysRevD.93.055020.pdf
Submitted - 1509.01496v1.pdf
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Additional details
- Eprint ID
- 61421
- Resolver ID
- CaltechAUTHORS:20151022-120109719
- Department of Energy (DOE)
- DE-FG02-13ER42020
- Texas A&M University Mitchell Institute for Fundamental Physics and Astronomy
- Department of Energy (DOE)
- DE-FG02-92ER40701
- Gordon and Betty Moore Foundation
- 776
- Caltech Moore Center for Theoretical Cosmology and Physics
- Sam Houston State University (SHSU)
- NSF
- PHY-1521105
- Created
-
2015-10-22Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- Walter Burke Institute for Theoretical Physics, Moore Center for Theoretical Cosmology and Physics
- Other Numbering System Name
- CALT-TH
- Other Numbering System Identifier
- 2015-039