The experimental search for neutron-antineutron oscillations has been completed at the ILL high flux reactor at Grenoble. A neutron beam of intensity 10(11) n s-1 was propagated for a time t congruent-to 0.1 s in vacuum in a region shielded against the external magnetic field. No antineutron was detected in 2.4.10(7) s running time. The lower limit tau(nnBAR) greater-than-or-equal-to 0.86.10(8) s for nnBAR transitions was established at 90% C.L.
A NEW EXPERIMENTAL LIMIT ON NEUTRON-ANTINEUTRON OSCILLATIONS
BALDO, MASSIMILLA;BOBISUT, FURIO;GIBIN, DANIELE;LAVEDER, MARCO;MATTIOLI, FRANCA;SCONZA, ANDREA;VASCON, MARIO;
1994
Abstract
The experimental search for neutron-antineutron oscillations has been completed at the ILL high flux reactor at Grenoble. A neutron beam of intensity 10(11) n s-1 was propagated for a time t congruent-to 0.1 s in vacuum in a region shielded against the external magnetic field. No antineutron was detected in 2.4.10(7) s running time. The lower limit tau(nnBAR) greater-than-or-equal-to 0.86.10(8) s for nnBAR transitions was established at 90% C.L.
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