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Data on the Gross--Llewellyn Smith sum rule as a function of q/sup 2/

Journal Article · · Phys. Rev. Lett.; (United States)
Data are presented on the Gross--Llewellyn Smith sum rule obtained from combined narrow-band neon and Freon bubble-chamber neutrino-antineutrino experiments. Remarkably no significant deviation from the parton-model prediction for the sum rule is observed at very low values of q/sup 2/< or approx. =1 GeV/sup 2/. Limits on the effective QCD scale parameter ..lambda.. and on the magnitude of the twist-4 correction are set. The best fit, neglecting higher-twist contributions, gives ..lambda.. = 92/sub -/36/sup +20/ MeV.
Research Organization:
Centre d'Etudes Nucleaires, Saclay, F-91190 Gif-sur-Yvette, France
OSTI ID:
6300141
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 50:4; ISSN PRLTA
Country of Publication:
United States
Language:
English