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Physics Letters B

Volume 214, Issue 1, 10 November 1988, Pages 10-13
Physics Letters B

Search for narrow resonance production in Bhabha scattering at center-of-mass energies near 1.8 MeV

https://doi.org/10.1016/0370-2693(88)90443-1Get rights and content

Abstract

We have searched for narrow resonances in a fine energy scan of the Bhabha scattering cross section. The statistical sensitivity was 1.6% for center-of-mass energies between 1.62 and 1.74 MeV, and 0.8% between 1.74 and 1.89 MeV. We observe no significant structure and derive upper limits for the intrinsic width of resonances in the above energy range.

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