Testing the Leptogenesis Mechanism of the Seesaw Model

Details Testing the Leptogenesis Mechanism of the Seesaw Model Testing the Leptogenesis Mechanism of the Seesaw Model

2004-03-08

arxiv.org/abs/hep-ph/0403086v1

Int.J.Mod.Phys.A20:1197-1203,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, Proceedings Coral Gables 2003

Scientific paper

10.1142/S0217751X05024080

The seesaw theory, the leading theory for particle interactions, provides a viable mechanism for generating the matter-antimatter asymmetry of the universe. Testing the leptogenesis mechanism directly requires measurement of the d=6 operator of the low-energy effective Lagrangian, in addition to the more familiar d=5 operator which generates Majorana masses for the light neutrinos when the electroweak symmetry is spontaneously broken. This important experimental challenge awaits the next generation of particle physicists.

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