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Forward-backward angle asymmetry and polarization observables in high-energy deuteron photodisintegration

Authors:	V?Yu?Grishina L?A?Kondratyuk Email author" target="_blank">W?Cassing Email author E?De?Sanctis M?Mirazita F?Ronchetti P?Rossi

Institution:	(1) Institute for Nuclear Research, 60th October Anniversary, Prospect 7A, 117312 Moscow, Russia;(2) Institute for Theoretical and Experimental Physics, B. Cheremushkinskaya 25, 117218 Moscow, Russia;(3) Institute for Theoretical Physics, University of Giessen, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany;(4) C.P. 13, INFN Laboratori Nazionali di Frascati, via E. Fermi 40, I-00044 Frascati, Italy

Abstract:	Deuteron two-body photodisintegration is analysed within the framework of the Quark-Gluon Strings Model. It is found that the forward-backward angle asymmetry predicted by the model is confirmed by the recent data at different photon energies from JLab. New calculations for polarization observables, the cross-section asymmetry $\Sigma$ and the polarization transfer $C_{z^{\prime}}$ , for photon energies $(1.2\mbox{--}6)$ GeV are presented and compared with the data available up to 2 GeV.Received: 7 July 2003, Published online: 26 November 2003PACS: 13.40.-f Electromagnetic processes and properties - 25.20.-x Photonuclear reactions

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