Bounds on Compositeness from Neutrinoless Double Beta Decay

Details Bounds on Compositeness from Neutrinoless Double Beta Decay Bounds on Compositeness from Neutrinoless Double Beta Decay

1994-11-04

arxiv.org/abs/hep-ph/9411224v2

Phys.Rev. D52 (1995) 5308-5313

Physics

High Energy Physics

High Energy Physics - Phenomenology

Plain Latex file, 15 pages; 3 figures appended as a uuencoded file; misprint corrected in titlepage

Scientific paper

10.1103/PhysRevD.52.5308

Assuming the existence of a heavy Majorana neutral particle arising from a composite model scenario we discuss the constraints imposed by present experimental limits of half-life neutrinoless double beta decay $(0\nu\beta\beta ) $ measurements on the coupling of the heavy composite neutrinos to the gauge bosons. For neutrino masses $M_N = 1 $ TeV we obtain a rather weak lower bound on the compositeness scale: $\Lambda \ge 0.23 $ TeV.

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