caa a22 4500 465801714 CHVBK 20180323112054.0 cr unu---uuuuu 170327e19900601xx s 000 0 eng 10.1007/BF01294295 doi (NATIONALLICENCE)springer-10.1007/BF01294295 Neutron scattering lengths of molten metals determined by gravity refractometry [Elektronische Daten] [G. Reiner, W. Waschkowski, L. Koester] Very accurate values of the coherent neutron scattering lengths of the heavy elements Bi and Pb are important quantities for the investigation of the electric interactions of neutrons with atoms. We performed, therefore, a series of experiments to determine accurate scattering lengths by means of neutron gravity refractometry on liquid mirrors of molten metals. The possible perturbations of the necessary reflection measurements have been discussed in details. After taking into account the uncertainties and corrections associated with observable pertubations we obtained the following values for bound atoms:b(Bi)=8.532±0.002 fm,b(Pb)=9.405±0.003 fm,b(Tl)=8.776±0.005 fm,b(Sn)=6.225±0.002 fm andb(Ga)=7.288±0.002 fm. These data are corrected for the local field effect occuring in the reflection on liquids. The recently reported results for the neutron's electric polarizability and the neutron-electron scattering length are supported by the Bi- and Pb-scattering length of this work. Springer-Verlag, 1990 34.50.B nationallicence Reiner G. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut Waschkowski W. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut Koester L. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut Zeitschrift für Physik A Atomic Nuclei Springer-Verlag 337/2(1990-06-01), 221-228 0939-7922 337:2<221 1990 337 218 https://doi.org/10.1007/BF01294295 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01294295 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Reiner G. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut NATIONALLICENCE 700 1- Waschkowski W. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut NATIONALLICENCE 700 1- Koester L. Reaktorstation Garching, Fakultät für Physik der Technischen Universität München, Germany aut NATIONALLICENCE 773 0- Zeitschrift für Physik A Atomic Nuclei Springer-Verlag 337/2(1990-06-01), 221-228 0939-7922 337:2<221 1990 337 218 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer