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Positron production by muon neutrinos in BEBC filled with a neon-hydrogen mixture

par Erriquez, Onofrio;Vander Velde, Catherine ; [et al.]
Référence Physics letters. Section B, 77, page (227-232)
Publication Publié, 1978

Article révisé par les pairs

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Résumé :

For e+ energy > 0.3 GeV and 10 GeV < visible energy < 100 GeV we find that: (i) f{hook} = (vμ + Ne → μ-e+)/(vμ + Ne → μ-) = (0.41 ± 0.15)%; (ii) 1.2 ± 0.5 neutral strange particles are produced per μ-e+ event; (iii) the lifetime of possible positron-parent particles is < 3 × 10-10 s (90% C.L.); (iv) the cross section for direct e+ production via the neutral current is < 0.2 times that via the charged current (90% C.L.); (v) the cross section for producing heavy leptons, L+, decaying into e+ ... is < 0.7 × 10-3 times that for μ-production, implying M(L+) > 10 GeV. © 1978.