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Neutrinos in the simplest little Higgs scenario and TeV leptogenesis

Asmaa Abada1, Gautam Bhattacharyya2, and Marta Losada3

  • 1LPT, Université de Paris-Sud XI, Bâtiment 210, 91405 Orsay Cedex, France
  • 2Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700064, India
  • 3Centro de Investigaciones, Universidad Antonio Nariño, Cll. 58A No. 37-94, Santa Fe de Bogotá, Colombia

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Phys. Rev. D 73, 033006 – Published 23 February, 2006

DOI: https://doi.org/10.1103/PhysRevD.73.033006

Abstract

The little Higgs scenario may provide an interesting framework to accommodate TeV scale leptogenesis, because a TeV Majorana mass of the right-handed neutrino that we employ for the latter may find a natural place near the ultraviolet cutoff of the former. In this work we study how a light neutrino spectrum, generated radiatively, and TeV scale leptogenesis can be embedded in the simplest little Higgs framework. Alternatively, we highlight how the neutrino Yukawa textures of the latter are constrained.

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Phys. Rev. D 73, 033006– Published 23 February, 2006
  • Received 28 November 2005

© 2006 American Physical Society

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