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Annual Report 2009 Russian Academy of Sciences Lenin Order Siberian Branch BUDKER INSTITUTE OF NUCLEAR PHYSICS ANNUAL REPORT 2009 NOVOSIBIRSK 2010 Contents Introduction 7 1. Physics of Elementary Particles ..........................................................................................13 1.1 CMD-3 ..............................................................................................................................15 1.2 The SND detector .............................................................................................................17 1.2.1 SND upgrade for experiment at VEPP-2000 and results of the first experiments ..17 1.2.2 VEPP-2M data analysis ...........................................................................................19 1.2.3 Participation in international projects .....................................................................21 1.2.4 Developments in experimental methodics ...............................................................22 1.3 Detector KEDR ................................................................................................................23 1.4 Results of work of the KEDR detector at the VEPP-4M collider in 2009 .......................24 1.4.1 Measurement of Гee × Bee(μμ) of J/ψ meson ...............................................................25 1.4.2 Measurement of D mesons masses .........................................................................26 1.4.3 Measurement of mass and full width of ψ (3770) ..................................................27 1.4.4 Measurement of decay branching J/ψ in γηc ..........................................................28 1.4.5 Search for narrow resonances .................................................................................29 1.5 Detector for HEP ..............................................................................................................30 1.6 X-ray detectors .................................................................................................................30 1.7 Other works ......................................................................................................................31 1.8 Micro-Pattern Gaseous Detectors (MPGDs) ....................................................................31 1.9 Participation in the ATLAS experiment on the Large Hadron Collider (LHC) ...............33 1.10 Belle Experiment .............................................................................................................36 1.11 The Photon Collider .........................................................................................................41 2. Electro - and photonuclear physics .....................................................................................43 2.1 Experiments with internal targets ....................................................................................45 3. Theoretical physics ...............................................................................................................49 3.1 Strong interaction .............................................................................................................51 3.2 Nuclear physics and parity nonconservation ....................................................................54 3.3 Quantum electrodynamics ...............................................................................................55 3.4 Gravity .............................................................................................................................57 3.5 Nonlinear dynamics and chaos ........................................................................................58 4. Plasma physics and controlled thermonuclear fusion .......................................................61 4.1 Confinement of hot ion plasma with β=0.6 in the gas dynamic trap ................................63 4.1.1 Introduction ..............................................................................................................63 4.1.2 Experiment ..............................................................................................................65 4.1.3 Results .....................................................................................................................66 CONTENTS 4.1.4 Conclusions ..............................................................................................................68 4.2 Multimirror Trap GOL-3 ..................................................................................................69 4.2.1 Introduction .............................................................................................................69 4.2.2 Experiments with the beam of reduced cross-section .............................................70 4.2.3 Measurement of subterahertz emission from the plasma ........................................72 4.2.4 Stabilization of the electron beam ...........................................................................74 4.2.5 Beam parametes refinement at the U-2 accelerator ................................................76 4.2.6 Development of technology of creation of a long-pulse intensive electron beams based on plasma emitters ..................................................................................................77 4.2.7 Summary .................................................................................................................78 4.3 Beam Injectors of Hydrogen Atoms and Ions ..................................................................79 4.3.1 Beam Injectors of Hydrogen Atoms ........................................................................79 4.3.2 Continuous Hydrogen Negative Ion Source ............................................................79 4.3.3 Continuous Radio-Frequency Proton Source ..........................................................80 4.3.4 Combined source of filtrated cathodic-arc plasma for deposition of thin films and protective coatings ............................................................................................................82 5. Electron-Positron Colliders .................................................................................................85 5.1 VEPP-2000 in 2009 ..........................................................................................................87 5.2 VEPP-4 Accelerator complex ...........................................................................................93 5.2.1 Operating time distribution .....................................................................................93 5.2.2 High-energy physics ................................................................................................94 5.2.3 Nuclear physics ........................................................................................................96 5.2.4 Selective depolarizer ...............................................................................................99 5.2.5 New optical beam diagnostics ...............................................................................101 5.3 VEPP-5 injection complex ..............................................................................................104 5.4 Devices developed for high-voltage electron cooling ....................................................106 5.5 Work on Accelerator Mass Spectrometer .......................................................................107 5.6 Vacuum systems .............................................................................................................108 5.6.1 Thin-film coatings ................................................................................................108 5.6.2 Flat flange joint ....................................................................................................109 5.6.3 High-vacuum optical window of the infra-red range ...........................................111 5.7 Electron-Positron Factories and Beam Physics. ............................................................. 114 5.8 Pulse Magnet for the Positron Source of the KEK Super-B Factory ............................. 114 5.9 Electron beam sources of multicharge ions .................................................................... 115 5.10 VEPP-2000 Injection-Extraction System ....................................................................... 117 5.11 Development of a high-power neutron production target .............................................. 119 6. Synchrotron Radiation Sources and Free Electron Lasers .............................................125 6.1 Works on SR beams from VEPP-3 .................................................................................128 6.1.1 Station "Explosion (Extreme states of matter)" .....................................................128 6.1.2 Station "LIGA technology and X-ray lithography" ..............................................130 6.1.3 Station "High-resolution diffractometry ...............................................................132 6.1.4 Station "X-ray fluorescence element analysis" .....................................................136 6.1.5 Station "Diffractometry at high pressures" ...........................................................138 6.1.6 Station "X-ray microscopy and tomography" ........................................................ 141 6.1.7 Station Diffraction movie" .....................................................................................144 6.1.8 Station "EXAFS" ...................................................................................................145
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