Search for anomalous production of single photons at s**(1/2) = 130-GeV and 136-GeV

Adam, W.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(1996) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. 380, n° 3-4, p. 471-479 (1996)

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Abstract
This letter reports the results of the measurement of single photon production in the reaction e+e− → γ+ invisible particles at centre-of-mass energies View the MathML source and 136 GeV and an integrated luminosity of 5.83 pb−1, collected with the DELPHI detector at LEP. The signal is compatible with the prediction of the Standard Model for the process View the MathML source, and the number of neutrino families has been determined to be Nν = 3.1 ± 0.6. Limits have been derived on anomalous neutral gauge boson couplings and on compositeness in the framework of a specific model.
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Adam, W., Cortina Gil, E., DELPHI Collaboration, & et al. (1996). Search for anomalous production of single photons at s**(1/2) = 130-GeV and 136-GeV. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 380(3-4), 471-479. https://doi.org/10.1016/0370-2693(96)00671-5 (Original work published 1996)