Search for radiative beta-decay of the free neutron
- Byrne, J
- Khafizov, RU
- Mostovoi, YA
- Rozhnov, O
- Solovei, VA
- Beck, Marcus
- Kozlov, Valentin
- Severijns, Natalis
Publication date
July 2005
DOI Publisher
National Institute of Standards and Technology (NIST) Journal
Journal of Research of the National Institute of Standards and TechnologyAbstract
Results of the first experiment to search for the radiative decay mode of the free neutron are reported. The gamma-spectrum was studied in the energy region from 35 keV to 100 keV in six Cs(T1) scintillators, each set at an angle of 35 to, and shielded from, a central plastic scintillator electron detector. Triple coincidences were recorded with recoil protons detected in a micro-channel plate. A limit for the branching ratio BR <6.9x10(-3) (90% confidence level) was obtained, which is greater that the theoretical prediction by not more than a few tenths of a percent.status: publishe
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