Testing the See-Saw Mechanism at Collider Energies(Particles and Fields)
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概要
- 論文の詳細を見る
We propose a low energy extension of the Standard Model consisting of an additional gauged U(1)_<B-L> plus three right-handed neutrinos. Although the lightest right-handed neutrinos have TeV scale masses and may be produced at colliders via their couplings to the Z_<B-L> gauge boson, constraints from the out-of-equilibrium condition lead to stringent upper bounds on the right-handed neutrino production cross-sections at colliders. However we find that the mass of the Z_<B-L> gauge boson may be sufficiently light to be discovered at collider energies, providing an indirect test of the see-saw mechanism. We propose a brane-world scenario which motivates such TeV mass right-handed neutrinos. Our analysis opens up the possibility that the mechanism responsible for neutrino mass is testable at colliders such as the LHC or VLHC.
- 理論物理学刊行会の論文
- 2005-11-25
著者
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Yanagida Tsutomu
Department Of Physics Hiroshima University
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King S.
School Of Physics And Astronomy University Of Southampton
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Yanagida Tsutomu
Department Of Physics Aud Resceu University Of Tokyo
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KING S.
School of Physics and Astronomy, University of Southampton
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YANAGIDA Tsutomu
Department of Physics, The University of Tokyo
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Yanagida Tsutomu
Department of Chemistry, Faculty of Science, Shizuoka University
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