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Title: Minimal mirror twin Higgs

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [2]
  1. ETH Zurich, Zurich (Switzerland); Scuola Normale Superiore, Pisa (Italy)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

In a Mirror Twin World with a maximally symmetric Higgs sector the little hierarchy of the Standard Model can be significantly mitigated, perhaps displacing the cutoff scale above the LHC reach. We show that consistency with observations requires that the Z2 parity exchanging the Standard Model with its mirror be broken in the Yukawa couplings. A minimal such effective field theory, with this sole Z2 breaking, can generate the Z2 breaking in the Higgs sector necessary for the Twin Higgs mechanism. The theory has constrained and correlated signals i n Higgs decays, direct Dark Matter Detection and Dark Radiation, all within reach of foreseen experiments, over a region of parameter space where the fine-tuning for the electroweak scale is 10-50%. For dark matter, both mirror neutrons and a variety of self-interacting mirror atoms are considered. Neutrino mass signals and the effects of a possible additional Z2 breaking from the vacuum expectation values of B-L breaking fields are also discussed.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1413709
Journal Information:
Journal of High Energy Physics (Online), Vol. 2016, Issue 11; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 58 works
Citation information provided by
Web of Science

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Cited By (33)

SUSY meets her twin journal January 2017
Composite Higgs at high transverse momentum journal January 2020
Heavy Higgs of the Twin Higgs models journal February 2018
The Hyperbolic Higgs journal May 2018
Singleton portals to the twin sector journal May 2019
Supersymmetric D-term Twin Higgs journal June 2017
Coscattering/coannihilation dark matter in a fraternal twin Higgs model journal September 2018
Effective theory of flavor for Minimal Mirror Twin Higgs journal October 2017
Minimal non-abelian supersymmetric Twin Higgs journal October 2017
Hypercharged naturalness journal October 2019
Breaking mirror twin hypercharge journal December 2019
Long-lived particles at the energy frontier: the MATHUSLA physics case journal October 2019
Black hole formation in the context of dissipative dark matter journal March 2019
Collider signals of the Mirror Twin Higgs boson through the hypercharge portal journal August 2019
Spontaneous twin symmetry breaking journal December 2019
Testing the scalar sector of the twin Higgs model at colliders journal March 2018
Discovering the twin Higgs boson with displaced decays journal April 2019
Beyond the Standard Model with sum rules journal August 2019
Singleton Portals to the Twin Sector text January 2018
SUSY meets her twin text January 2017
Singleton portals to the twin sector text January 2019
Viable Twin Cosmology from Neutrino Mixing text January 2017
Minimal Non-Abelian Supersymmetric Twin Higgs text January 2017
Beyond the standard model with sum rules text January 2017
Testing the Scalar Sector of the Twin Higgs Model at Colliders text January 2017
Cosmological Signatures of a Mirror Twin Higgs preprint January 2018
Coscattering/Coannihilation Dark Matter in a Fraternal Twin Higgs Model text January 2018
Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case text January 2018
Discovering the Twin Higgs Boson with Displaced Decays text January 2018
Breaking Mirror Twin Hypercharge text January 2019
Hypercharged Naturalness text January 2019
Baryon-Dark Matter Coincidence in Mirrored Unification text January 2019
Signatures of Mirror Stars text January 2019

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