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Recent results on nucleon resonance studies in $\pi^{+}\pi^{-}p$ electro- production off protons with the CLAS detector are presented. The analysis of CLAS data allowed us to determine all essential contributing mechanisms, providing a credible separation between resonant and non-resonant parts of the cross sections in a wide kinematical area of invariant masses of the final hadronic system $1.3, Comment: 7 pages, 5 figures, NSTAR 2009 conference

X-Ray generations utilizing Thomson scattering fill in the gap that exists between conventional and synchrotron-based X-ray sources. They are expected to be more intense than X-ray tubes and more compact, accessible and less expensive than synchrotron. In this work, two operation modes of Thomson X-ray source are documented: quasi CW(QCW) and a pulsed one are considered for material sciences and medical applications being implemented currently at Synchrotron Radiation (SR) facilities., 12 pages

This paper is devoted to the analysis of the general trends in the nucleon number dependence of the experimental root-mean-square (rms) charge radii. It is based on the data obtained by different methods of combined treatment of (i) radii changes determined from optical and—to a lesser extent—Kαx-ray isotope shifts, and (ii) absolute radii measured from muonic and electronic scattering experiments. These methods have recently been developed and now updated including experimental data up to the beginning of 2008. Thus, new sets of rms nuclear radii have been obtained covering 865 isotopes for 76 elements from 1 Ht o96Cm. New information on the isotopic and isotonic behaviour of the nuclear charge radius is obtained with a high accuracy compared to that of the directly measured radii values for the same element. Of special interest is that concerning the light elements and the appearance of non-traditional magic neutron and proton numbers, as N = 6, 14 and Z = 14; the doublemagic properties of 96 Zr are discussed in more detail. A quantitative criterion is introduced, which points to the peculiarities in the radii trend and offers an opportunity to investigate it more closely. The results provide important information which may serve as a guide to incorporate essential new features into the theoretical approaches. (Some figures in this article are in colour only in the electronic version)

Valerian Grigor'evich Shevchenko (Obituary) Yu V Galaktionov, Mikhail V Danilov, Vladimir S Imshennik et al. Anatoli Aleksandrovich Vlasov (obituary) I P Bazarov, N N Bogolyubov, Boris B Kadomtsev et al. Physics and astronomy at Moscow University (On theUniversity's 225th anniversary) B I Spasski, L V Levshin and V A Krasil'nikov Configurational splitting of the giant dipole resonance in atomic nuclei B S Ishkhanov, I M Kapitonov, Vladimir G Neudachin et al. German Stepanovich Zhdanov (Obituary) N B Brandt, B K Vanshten, A S Ilyushin et al. Yuri Mikhalovich Shirokov (Obituary) N N Bogolyubov, S N Vernov, Vasilii S Vladimirov et al. Dmitri Vladimirovich Skobel'tsyn (Obituary) A M Baldin, N G Basov, Vitalii L Ginzburg et al. Igor' Borisovich Teplov (Obituary)