Wide angle scattering study of nanolayered clay/gelatin electrorheological elastomer
نویسندگان
چکیده
منابع مشابه
Wide Angle Compton Scattering
We present the handbag contribution to Wide Angle Compton Scattering (WACS) at moderately large momentum transfer obtained with a proton distribution amplitude close to the asymptotic form. In comparison it is found to be significantly larger than results from the hard scattering (pQCD) approach.
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Baryon-baryon elastic scattering is considered in the independent scattering (Landshoff) mechanism. It is suggested that for scattering at moderate energies, direct and interchange quark channels contribute with equal color coefficients because the quark color is randomized by soft gluon exchange during the hadronization stage. With this assumption, it is shown that the ratio of cross sections ...
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Landshoff has recently pointed out that in composite models for hadronhadron wide angle scattering, processes where the constituents remain close to their mass shells throughout the scattering can dominate the wide angle cross sections. We use a Feynman parametric integral to estimate the phase space for such a process and confirm Landshoff’s result. The differential cross section for elastic r...
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The basic theoretical ideas of the handbag mechanism for wide-angle exclusive scattering reactions are discussed and, with regard to the present experimental program carried out at JLab, its application to Compton scattering is reviewed in some detail. Results for other wide-angle reactions such as two-photon annihilations into pairs of hadrons or virtual Compton scattering are presented as well.
متن کاملGeneralized Parton Distributions and wide-angle exclusive scattering
Recently a new approach to wide-angle Compton scattering off protons has been proposed [1,2] where, for Mandelstam variables s,−t,−u that are large as compared to a typical hadronic scale, Λ of the order of 1 GeV, the process amplitudes factorize into a hard parton-level subprocess, Compton scattering off quarks, and in soft form factors which represent 1/xmoments of generalized parton distribu...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2009
ISSN: 1742-6596
DOI: 10.1088/1742-6596/149/1/012032