نتایج جستجو برای: multiple scattering

تعداد نتایج: 866732  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1987

2010
P. A. Martin

Multiple scattering is an important and interesting topic, of relevance in a wide variety of physical contexts. In this short paper, we attempt to review some of the theory and applications with the aim of encouraging further investigations. For simplicity, we consider the scattering of two-dimensional time-harmonic acoustic waves by hard parallel cylinders. Methods described include separation...

2015
A. G. A. Nisbet G. Beutier F. Fabrizi B. Moser S. P. Collins

A new form of diffraction lines has been identified, similar to Rutherford, Kikuchi and Kossel lines. This paper highlights some of the properties of these lines and shows how they can be used to eliminate the need for sample/source matching in Lonsdale's triple convergent line method in lattice-parameter determination.

2001
John A. Scales Kasper Van Wijk

To study the propagation of multiply scattered waves, it is useful to have a medium in which the scattering properties can be easily controlled. Here, we describe such a system; it involves the propagation of ultrasonic surface waves in a medium with an aligned, disordered pattern of grooves. Waves propagating parallel to the grooves see a homogeneous medium; waves propagating perpendicular to ...

2016
A. Malecki

2014 Nucleus-nucleus scattering with rearrangement of nucleons between the projectile and target nuclei is discussed. The approximated Watson and Glauber formulae for these collisions are derived. The example of the antisymmetrization term in elastic proton-nucleus scattering is considered. LE JOURNAL DE PHYSIQUE TOME 39, OCTOBRE 1978, Classification Physics Abstracts 25.10 25.90 . The theory o...

2009
T. Toimela

The previously proposed Multiple Resonance Scattering (MRS) theory is elaborated. In addition of predicting a radiationless fusion of two deuterium nuclei into a He 4 -nucleus in its ground state, the MRS theory is also shown to be in agreement with the experimental results concerning the transmutations of heavier nuclei. A form for the nuclear active environment is suggested and new experiment...

2008
S Ceci

Using the new set of dd → ηα near threshold experimental data, the estimate of the importance of the nucleon-nucleon correlations for the ηα S-wave scattering length in the multiple scattering theory is obtained using the low energy scattering length model. The contribution turns out to be much bigger then previously believed. The π-η mixing angle is extracted using the experimental data on the...

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