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Observation of the decay KL 0 →e+e-e+e-

Abstract:
Two events with the characteristics of the decay KL0 →e+e-e+e- have been observed with a negligible expected background from which a branching ratio of (4 ± 3) X 10-8 is derived. This result is consistent with values estimated from theoretical models based on the double internal conventional of the decay KL0 →γγ.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Particle Physics
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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume:
259
Issue:
3
Pages:
389-392
Publication date:
1991
ISSN:
0370-2693
URN:
uuid:5050cb1b-10ca-4f81-92e7-7e3f221fd7e2
Source identifiers:
345308
Local pid:
pubs:345308
Language:
English

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