Abstract
The asymmetry of 15 MeV neutrons has been measured after successive scattering from two high-pressure helium gas scintillators. The experimental result is compared with predictions of variousn-4He phase shift sets. The phases of Hoop and Barschall, Niileret al. and of Satchleret al. agree with the present experiment.
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The author is indebted to Prof. Dr. H. Krüger for the support of this work. Furthermore the author would like to thank Dr. G. Mack, Dr. G. Mertens, H. Spiegelhauer, K. Schmidt, H. Lesiecki and Dr. G. Hentschel for many helpful discussions and assistance during this experiment. Thanks are due to L. Gritzmann, H. Schwägerle and his staff for help in the construction of the polarimeter. The Bundesministerium für Forschung und Technologie has kindly given the financial means.
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Tornow, W. Fast neutron double scattering on4He. Z. Physik 266, 357–365 (1974). https://doi.org/10.1007/BF01674829
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DOI: https://doi.org/10.1007/BF01674829