Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-07-03
Phys.Rev.Lett. 96 (2006) 081801
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 1 figure; revtex; matches paper published by P.R.L
Scientific paper
We discuss the phenomenological implications of the neutron (n) oscillation into the mirror neutron (n'), a hypothetical particle exactly degenerate in mass with the neutron but sterile to normal matter. We show that the present experimental data allow a maximal n-n' oscillation in vacuum with a characteristic time $\tau$ much shorter than the neutron lifetime, in fact as small as 1 sec. This phenomenon may manifest in neutron disappearance and regeneration experiments perfectly accessible to present experimental capabilities and may also have interesting astrophysical consequences, in particular for the propagation of ultra high energy cosmic rays.
Bento Luis
Berezhiani Zurab
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