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Orientation‐Averaged Amplitude of the One‐Quantum Term in the Neutron Scattering Law for Molecular Gases

dc.contributor.authorCarpenter, John M.en_US
dc.date.accessioned2010-05-06T21:10:18Z
dc.date.available2010-05-06T21:10:18Z
dc.date.issued1967-01-15en_US
dc.identifier.citationCarpenter, John M. (1967). "Orientation‐Averaged Amplitude of the One‐Quantum Term in the Neutron Scattering Law for Molecular Gases." The Journal of Chemical Physics 46(2): 465-468. <http://hdl.handle.net/2027.42/69801>en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/69801
dc.description.abstractThe amplitude of the one‐quantum term in the scattering law for coherent scattering of neutrons by molecular gases is calculated using a generating‐function approach. The phase factor exp (iκ⋅b) is averaged jointly with the amplitude factor (κ⋅γν) (κ⋅γν′), as opposed to the more common technique of approximating the joint average by the product of the average of each factor. Results of example calculations show that the correction is of the same magnitude as the result of the conventional calculation.en_US
dc.format.extent3102 bytes
dc.format.extent211163 bytes
dc.format.mimetypetext/plain
dc.format.mimetypeapplication/pdf
dc.publisherThe American Institute of Physicsen_US
dc.rights© The American Institute of Physicsen_US
dc.titleOrientation‐Averaged Amplitude of the One‐Quantum Term in the Neutron Scattering Law for Molecular Gasesen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Nuclear Engineering, The University of Michigan, Ann Arbor, Michiganen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/69801/2/JCPSA6-46-2-465-1.pdf
dc.identifier.doi10.1063/1.1840689en_US
dc.identifier.sourceThe Journal of Chemical Physicsen_US
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dc.identifier.citedreferenceSeveral approximate schemes are compared in Ref. 5 for calculation of the direct scattering; one of these numerically computes the orientation averages.en_US
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dc.identifier.citedreferenceAs of quite recently, this frequency was not well known.10 The choice of 12 meV arises in connection with the analysis of a recent experiment which suggests this value.en_US
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dc.owningcollnamePhysics, Department of


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