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HIGH MASS PHOTON PAIRS IN L+L-GAMMA-GAMMA EVENTS AT LEP

Abstract:
From the analysis of the reactions e+e-→l+l-(nγ) (l=e,μ,τ) we observe four events, one e+e-γγ and three μ+μ-γγ, with the invariant mass of the photon pairs close to 60 GeV. These events were selected from a data sample collected in the L3 detector corresponding to 950 000 produced Z0's. More data are necessary to ascertain the origin of these events. © 1992.
Publication status:
Published

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Authors


ADRIANI, O More by this author
AGUILARBENITEZ, M More by this author
ALCARAZ, J More by this author
ALOISIO, A More by this author
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Journal:
PHYSICS LETTERS B
Volume:
295
Issue:
3-4
Pages:
337-346
Publication date:
1992-12-03
DOI:
ISSN:
0370-2693
URN:
uuid:44734d08-0301-4044-b68e-70e5f7de0e75
Source identifiers:
18790
Local pid:
pubs:18790

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