Proceedings of the International Symposium Electrophotoproduction of Strangeness on Nucleons and Nuclei: Sendai, Japan, 16 - 18 June 2003

Contents......Page 10 Symposium Organization......Page 6 Preface......Page 8 Opening Address O. Hashimoto......Page 16 1. Overview of Electromagnetic Strangeness Production......Page 22 1. Introduction......Page 24 2.1. Dynamical coupled-channels models with effective Lagrangians......Page 25 2.2. Background Amplitudes......Page 26 2.3. Resonances: missing and otherwise......Page 27 2.4. On to higher energies......Page 29 3.1. High-spin unnatural parity states......Page 30 3.3. Mapping out the A momentum distribution......Page 31 3.4. Photoproduction of 'S-hypernuclear systems......Page 32 References......Page 34 1. Introduction......Page 36 2.1. Photoproduction......Page 37 2.2. Electroproduction......Page 38 3.1. The YN Interaction......Page 43 3.2. Hypernuclear Electroproduction......Page 44 4. The + state......Page 47 6. Summary......Page 49 References......Page 50 1. Introduction......Page 52 2. Photoproduction of rj-mesons......Page 53 3. K° + photoproduction......Page 54 4. Crystal Barrel and TAPS setup at ELSA......Page 56 5.1. Detection efficiency......Page 57 5.2. Background......Page 58 6. First results......Page 59 7. Deuterium target......Page 61 References......Page 62 1. Laser-Electron Photon beam facility at SPring-8 (LEPS)......Page 63 2.1. K+ photo-production......Page 65 2.2. photo-production......Page 66 2.3. Observation of a S=+1 Baryon Resonance......Page 67 References......Page 70 2. Theoretical Aspects of Strangeness Production......Page 72 1. Introduction......Page 74 2. Theoretical Frame......Page 76 3. Results and Discussion......Page 79 a) S-wave resonances......Page 80 b) P-wave resonances......Page 81 c) Spin-3/2 D-wave resonances......Page 82 d) Spin-5/2 D- & F-wave resonances......Page 83 Acknowledgments......Page 84 References......Page 85 1. Introduction......Page 86 2.2. Resonance Amplitudes......Page 87 3. Results and Discussion......Page 89 References......Page 95 1. Introduction......Page 96 2. Meson-baryon scattering model......Page 97 3. Radiative production of ground state hyperons: Kp......Page 99 4. Photoproduction of the (1405): p K+ (1405)......Page 100 5. Radiative production of the A(1405): K-p —> 7 (1405)......Page 102 6. Summary and Conclusions......Page 104 References......Page 105 1. Introduction......Page 106 2. Photo-production......Page 107 2.1. K+A. Photo-production......Page 108 2.2. K+ ° Photo-production......Page 109 3. Electro-production......Page 111 3.2. Electro- Magnetic Form Factors......Page 112 4. Conclusion and discussion......Page 113 References......Page 115 1. Introduction......Page 117 2. Multiplets of exotic baryons......Page 118 3. The mass formula......Page 120 4. Spectrum of baryonic states......Page 124 5. Exotic multibaryons......Page 128 6. Conclusions and prospects......Page 129 References......Page 131 f2, , and 2 Exchanges in p Meson Photoproduction 112 Y.OhandT.-S. H. Lee......Page 133 References......Page 138 1. Introduction......Page 140 2. RMF model and the necessity of pion......Page 141 3. Chiral sigma model in the relativistic mean field theory......Page 143 4. Lambda hypernuclei......Page 151 5. Conclusion......Page 152 References......Page 154 3. Experimental Aspects of Strangeness Production on Nucleons and Nuclei......Page 156 1. Introduction......Page 158 2. Experiment Description......Page 159 3. Photoproduction Results......Page 160 4. Electroproduction Results......Page 163 5. Discussion and Conclusions......Page 164 References......Page 166 Electroproduction of Strangeness on Light Nuclei F. Dohrmann et al.......Page 167 3. Results and Discussion......Page 168 5. Acknowledgements......Page 171 References......Page 172 1. Introduction......Page 173 3. Experimental Setup......Page 175 4. Experiment Status......Page 176 5. Prelimnary Results......Page 177 References......Page 178 1. Introduction......Page 179 2. The Crystal-Barrel Experiment at ELSA......Page 180 3. Investigations of TT° and final states......Page 183 4. Preliminary results on the reaction 7 p —>......Page 185 P7r°7r0 5. Preliminary results on the reaction 7 p......Page 186 6. Conclusions and outlook......Page 187 References......Page 188 1. Introduction......Page 189 2. Cross sections......Page 190 2.1. Discussion of the results......Page 194 3.1. Acknowledgements......Page 197 References......Page 198 1. Introduction......Page 199 2. Experiment......Page 200 3. RESULTS OF PHOTON BEAM ASYMMETRIES......Page 201 References......Page 204 1. Introduction......Page 205 3. Preliminary results......Page 206 5. Acknowledgements......Page 210 References......Page 211 Photoproduction of r\ Mesons on Nuclei at LNS H. Yamazaki et al.......Page 212 2. Experiment......Page 213 3. Results and discussion......Page 215 References......Page 218 1. Introduction......Page 219 2. Basic Design of Neutral Kaon Spectrometer......Page 221 3. Experimental Setup......Page 222 4. Preliminary Results of Analysis......Page 224 References......Page 227 1. Introduction......Page 229 2. Kaonic nuclei and the in-flight (K , N) reaction......Page 231 3. Exploratory experiment at BNL......Page 232 4. Neutron momentum spectra......Page 234 5. Decay properties of Kaonic nuclei......Page 235 6. Discussion......Page 236 7. Prospect......Page 238 References......Page 239 4. Spectroscopy of Hypernuclei......Page 240 1. Introduction......Page 242 2. Kinematics and Nature of the p —> K+ Reaction......Page 243 3. Excitation Spectra Predicted for 28Si( ,K+)28A Al......Page 246 3.1. A Demonstrative Model with (Od5/2)6p......Page 247 3.2. Use of the (sd)n Full Space Wave Functions......Page 248 4. Photoproduction with the 40Ca and 52Cr targets......Page 251 References......Page 252 High Resolution Hypernuclear Spectroscopy: (e, e'K+) Reaction M. Sotona et al.......Page 254 2. Shell model description of A ~ 50 nuclei and hypernuclei......Page 255 3. Electroproduction of hypernuclei......Page 256 3.1. 51V(e, e'K+)51 Ti reaction......Page 257 3.2. 52Cr(e,e'K+)52V reaction......Page 260 Acknowledgments......Page 261 References......Page 262 1. Introduction......Page 263 2. Experiment......Page 265 3. Mass scale calibration......Page 267 4. 12C/CHz(e,e'K+) reaction......Page 268 References......Page 271 Recent Progress in 7-Ray Spectroscopy of Hypernuclei H. Tamura et al.......Page 272 1.1. A.N spin- dependent interactions......Page 273 1.3. Li and Be......Page 274 2. Spectroscopy of A 6O and AJV tensor force (E930('01))......Page 275 4. Hyperfragments (E509)......Page 279 5. Summary......Page 280 References......Page 281 1. Introduction......Page 282 3. Halo structure of 6 He and He......Page 283 4. AN — N coupling and A = 4 A hypernuclei......Page 284 5. Four-body calculation of 4He(e,e')4He(0+2)......Page 287 References......Page 289 5. New Facilities......Page 292 A New Hypernuclear Experiment with the High Resolution Kaon Spectrometer (HKS) AT JLAB Hall C S. N. NakamuraforJLABEOl-011 Collaboration......Page 294 1.2. Experimental principle......Page 295 2.1. High resolution Kaon Spectrometer (HKS)......Page 296 2.2. Enge split-pole spectrometer and the tilt method......Page 298 3.1. Summary of the HKS and Enge detector packages......Page 300 4.1. Energy resolution......Page 301 4.2. Yield estimation......Page 302 References......Page 303 1.1. The Experiment......Page 304 1.2. The Apparatus......Page 307 2. Physics Programme of next Data Taking......Page 309 3. Expected Rates for DAC......Page 311 4. Conclusions......Page 312 References......Page 313 1. Introduction......Page 314 2. Time Projection Chamber at LEPS......Page 315 3.2. Pentaquark 0+......Page 319 3.3. Vector meson production......Page 320 References......Page 321 1. Overview of LNS......Page 322 2. GeV Facilities in the World......Page 324 3. New Tagging System......Page 325 4. Experiments under Consideration......Page 327 4.1. Softening of the a meson......Page 328 4.2. UA(1) problem......Page 330 4.3. Chiral partner of the nucleon......Page 332 References......Page 333 6. Summary......Page 334 2. Electromagnetic Production of Strangeness......Page 336 3. Hypernuclei......Page 339 4. Facilities......Page 342 Acknowledgments......Page 343 References......Page 344 1. Background......Page 345 2. N* Resonances......Page 346 3. The +......Page 347 4. Hypernuclear Structure......Page 348 6. Acknowledgments......Page 350 Pre-symposium Recent Progress of Hypernuclear Physics......Page 360 1. Y-N Interactions......Page 362 1. Introduction......Page 364 2. B8B8 interactions by fss2......Page 367 4. 2aA Eaddeev calculation for......Page 370 5. 2Aa Faddeev calculation for He......Page 372 6. Summary......Page 373 References......Page 374 1. Introduction......Page 376 2. Experiment......Page 377 3. Preliminary result......Page 378 References......Page 380 1. Introduction......Page 381 3.1. Polarization......Page 382 3.2. Asymmetry......Page 383 References......Page 384 2. Hypernuclear Spectroscopy......Page 386 1. Introduction......Page 388 3. YN spin-orbit force and 9 Be and 13 C......Page 390 4.1. AN - EN coupling and 4 He......Page 391 4.2. — N coupling and 4 H......Page 393 4.3. p-shell double A hypernuclei......Page 395 5. Conclusion......Page 396 References......Page 397 High-Resolution y-Ray Spectroscopy of P-Shell Hypernuclei (BNL E930) M. Ukaifor the E930-1 Collaboration......Page 398 2. Experiment......Page 399 4. Discussion......Page 400 5. Summary......Page 401 References......Page 402 1. Introduction......Page 403 2. Experiment and Analysis......Page 404 3. Results and Discussions......Page 405 References......Page 407 1. Introduction......Page 408 2. Consideration to experimental conditions......Page 409 2.1. Detection angle of scattered electrons......Page 410 3. Hypernuclear experiments at Jlab Hall C......Page 411 4. Information on hypernucleus we can extract......Page 412 References......Page 414 3. Hypernuclear Weak Decay......Page 416 1. Introduction......Page 418 2. Meson exchange interactions and nonmesonic decay rates......Page 419 3. Asymmetry parameter of a proton in the decay of ^He......Page 420 References......Page 422 1. Introduction......Page 424 3.1. Hypernuclear mass spectra......Page 425 3.2. Results of TT mesonic decay widths......Page 426 3.3. Nonmesonic decay widths and Tn/Tp ratios......Page 427 4. Summary......Page 428 References......Page 429 1.1 Test of the A-nucleus potential......Page 431 1.2 Spin/isospin dependence of the non-mesonic decay process 0+,......Page 432 2.1 Mesonic decay widths of ^H and ^He......Page 433 2.2 Spin/isospin dependence of NMWD width......Page 435 3. E462: Exclusive measurement of the NMWD of ^He......Page 436 References......Page 437 Neutron Energy Spectra from Non-Mesonic Weak Decay of iHe and A€ Hypernuclei S. Okada et al.......Page 438 1. Introduction......Page 439 3. Analysis and Results......Page 440 References......Page 441 1. Introduction......Page 442 2. Experiment and Analysis......Page 443 3. Conclusion......Page 444 References......Page 445 1. Introduction......Page 447 3. Preliminary results......Page 448 References......Page 450 1. Introduction......Page 451 2. Experiment and analysis......Page 452 3. Results and discussion......Page 453 References......Page 454 1. Introduction......Page 455 2. Experimental method and Analysis......Page 456 References......Page 457 Program......Page 460 List of Participants......Page 466