!! !! !!\\\ !!\\\ !!\ !! !! \\ !! \\ !! \\ !! !! // !! // !! \\ !! !!/// !!/// !! \!! !! !! !! !! !! !! Prepared at the NATIONAL SUPERCONDUCTING CYCLOTRON LABORATORY Michigan State University, East Lansing, Michigan 48823-1321 Vol. 14 No. 9 9/1/95 Communicate all comments and questions, and for each preprint you produce, send a copy to: Dr. Betty Tsang at the NSCL. Electronic mail subscription of NPP is available. Send inquiry to TSANG@NSCL.NSCL.MSU.EDU Current and previous versions are also available via anonymous ftp at 35.8.32.110 in the /pub/preprints directory, and on the World Wide Web at http://pads1.pa.msu.edu/nuclear/NSCL.htm Write to source address to request preprint Table of Contents: ------------------ Accelerator Physics Elastic Scattering - Experimental & Theoretical Exotic Nuclei General Nuclear Theory Heavy-Ion Reaction Theory High Energy Heavy-Ion Reactions (E/A>20 MeV) Instrumentation Light Ion Reactions -- Experimental & Theoretical Low Energy Heavy-Ion Reactions (E/A<20 MeV) Nuclear Structure -- Experimental & Theoretical Photonuclear and Electron Physics Physics with Pions, Hyperphysics Radioactivity and Fission Relativistic Heavy-Ion Reactions Miscellaneous ================================================================ Accelerator Physics ================================================================ A Comparison of Two Injection Line Matching Sections for Compact Cyclotrons. T. Kuo, R. Baartman, L. Root et al; sc: TRIUMF; da: 8/1/95; dn: 95-42; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3171 Current Distribution in Parallel Paths of the Coils of a 50 Hz Prototype Dipole Magnet. A. Otter; sc: TRIUMF; da: 8/1/95; dn: 95-20; pb: Presented at the Fourteenth International Conference on Magent Technology, Tampere, June 11-16, 1995; NSCL# 3162 Cyclotrons for Isotope Production. B. Milton and M. Stevenson; sc: TRIUMF; da: 8/1/95; dn: 95- 39; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3174 Frequency Tunig Effect and Double Frequency Heating Experiments in S- Band ECR Ion Sources. E. Tojyo, Y. Ohshiro, M. Oyaizu et al; sc: INS; da: 8/22/95; dn: 1103; pb: Presented at the 12th International Workshop on ECR Ion Sources, April 25-27, 1995, RIKEN, Japan; NSCL# 3236 Improvements on the LBL AECR Source. Z. Xie and C. Lyneis; sc: LBL; da: 8/21/95; dn: 37275; pb: Presented at the 12th International Workshop on ECR Ion Sources, April 25-27, 1995, RIKEN, Japan; NSCL# 3233 ISAC-1: Radoiactive Ion Beams Facility at TRUIMF. P. Bricault, R. Baartman, J. Beveridge et al; sc: TRIUMF; da: 8/1/95; dn: 95-26; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3158 KN Scattering at DAPHINE? A. Olin; sc: TRIUMF; da: 8/1/95; dn: 95-35; pb: Presented at the 2nd Workshop of Physics and Detectors for DAphiNE, INFN, Frascati, Italy, April 4-7, 1995; NSCL# 3178 Operating Experience with the New TRIUMF RF Control System. K. Fong, M. Laverty, S. Fang et al; sc: TRIUMF; da: 8/1/95; dn: 95-27; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3170 Radionuclide Production for the Biosciences. T. Ruth; sc: TRIUMF; da: 8/1/95; dn: 95-29; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3172 Recovery of CTF Beam Signals from a Strong Wakefield Background. Y. Yin, E. Schulte and T. Ekelof.; sc: TRIUMF; da: 8/1/95; dn: 95-29; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3164 Refinements to Longitudinal Single Bunch, Coherent Instability Theory. S. Koscielniak; sc: TRIUMF; da: 8/1/95; dn: 95-30; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3165 RFQ Cold Model Studies. P. Bricault, D. Joffe and H. Schneider; sc: TRIUMF; da: 8/1/95; dn: 95-24; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3159 Simulation of the TRIUMF Split-Ring 4-Rod RFQ with MAFIA. P. Bricault and H. Schneider; sc: TRIUMF; da: 8/1/95; dn: 95-23; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3160 Simulations of Sawtooth Instability. R. Baartman and M. D'Yachkov; sc: TRIUMF; da: 8/1/95; dn: 95-21; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3163 Stabilizing a Power Amplifier Feeding a High Q Resonant Load. A. Mitra, R. Poirier, J. Lu et al; sc: TRIUMF; da: 8/1/95; dn: 95-28; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3169 Status of the INS SF-ECR Ion Source. Y. Ohsiro, T. Yamazaki, M. Fujita et al; sc: INS; da: 8/22/95; dn: 1104; pb: Presented at the 12th International Workshop on ECR Ion Sources, April 25-27, 1995, RIKEN, Japan; NSCL# 3237 TASCC: The Tandem Accelerator Superconducting Cyclotron Facility at Chalk River. W. Davies; sc: TASCC; da: 8/25/95; dn: 95-23; pb: Nuclear Physics News International; Email: TASCC@CRL.AECL.CA; NSCL# 3242 The Magnetron-Type Varactor for Fast Control in Acceleration RF Systems. I. Enchevich, R. Poirier, M. Kuznetsov et al; sc: TRIUMF; da: 8/1/95; dn: 95-46; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3175 The Rb Excess at LEP: Clue to New Physics at the TEVATRON? E. Ma and D. Ng; sc: TRIUMF; da: 8/1/95; dn: 95-16; pb: Presented at the International Symposium on Vector Boson Self- Interactions, Los Angeles, CA, USA, Feb. 1995; NSCL# 3156 The TRIUMF High-Current DC Optically-Pumped Polarized H- Ion Source. A. Zelenski, Y. Mori and T. Sakae; sc: TRIUMF; da: 8/1/95; dn: 95-44; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3173 Utilizing a Pulsed Deflector for Extraction of Pulsed Beams from the TRIUMF Cyclotron. R. Laxdal; sc: TRIUMF; da: 8/1/95; dn: 95-25; pb: Presented at the 1995 Accelerator Conference and Interational Conference on High-Energy Accelerators, Dallas, Texas, USA, May 1-5, 1995; NSCL# 3157 ================================================================ Elastic Scattering - Experimental & Theoretical ================================================================ A Collection of Formulas for Spin Dependent Deep Inelastic Scattering. T. Pussieux and R. Windmolders; sc: SACL; da: 8/7/95; dn: 95 10; NSCL# 3207 Elastic and Inelastic Scattering of Heavy Ions Between 10 and 100 MeV. P. Roussel-Chomaz, N. Alamanos and P. Delbourgo-Salvador; sc: SACL; da: 8/7/95; dn: 95 18; NSCL# 3206 Precision Measurement of Charge Symmetry Breaking in np Elastic Scattering at 347 MeV. R. Abegg, A. Berdoz, J. Birchall et al; sc: TRIUMF; da: 8/1/95; dn: 95-43; pb: Phys. Rev. Lett.; NSCL# 3179 =============================================================== Exotic Nuclei ================================================================ Shell-Model Calculations for Exotic Nuclei. B. Brown; sc: NSCL; da: 8/3/95; dn: MSUCL-987; pb: Presented at the International Conference on Exotic Nuclei and Atomic Masses, Arles, France, June 19-23, 1995; NSCL# 3194 ================================================================ General Nuclear Theory ================================================================ A Global Test of QCD Theories for Direct Photon Porduction. E. Quack and D. Srivastava; sc: GSI; da: 8/16/95; dn: 95- 40; NSCL# 3229 A Method for the Generation of Random Multiple Coulumb Scattering Angles. J. Campbell; sc: TRIUMF; da: 8/1/95; dn: 95-34; pb: Nucl. Instr. & Meth. A; NSCL# 3176 An Effective Strong Gravity Induced by QCD. V. Brindejonc and G. Cohen-Tannoudji; sc: SACL; da: 8/7/95; dn: 95 17; NSCL# 3205 Bosonization in the Presence of Confinement: Calculation of the Nucleon-Nucleon Interaction. S. Gao, L. Celenza, C. Shakin et al; sc: BRKC; da: 8/21/95; dn: 249; pb: Phys. Rev. C; NSCL# 3232 Bounds on Delta B = 1 Couplings in the Supersymmetric Standard Model. J. Goity, CEBAF and M. Sher; sc: CEBAF; da: 8/14/95; dn: TH-94-24; NSCL# 3216 Current Conservation in Thermal Field Theory. P. Henning and M. Blasone; sc: GSI; da: 8/1/95; dn: 95- 36; pb: Phys. Lett. B; NSCL# 3185 Hadron Helicity Violation in Exclusvie Processes: Quantitative Calculations in Leading Order QCD. T. Gousset, B. Pire and J. Ralston; sc: SACL; da: 8/7/95; dn: 95 19; NSCL# 3210 Indirect CP - Violation in the Neutral Kaon System Beyond Leading Logarithms. S. Herrlich and U. Nierste; sc: PSI; da: 8/9/95; dn: 95- 13; NSCL# 3212 Relativistic Nuclear Hamiltonian and Currents To (v/c)^2. R. Schiavilla; sc: CEBAF; da: 8/14/95; dn: TH-95-09; NSCL# 3220 Valid QCD Sum Rules for Vector Mesons in Nuclear Matter. X. Jin and D. Leinweber; sc: TRIUMF; da: 8/1/95; dn: 95- 40; pb: Phys. Rev. C; NSCL# 3155 Virtual Compton Scattering and Generalized Polarizabilities of the Proton. P. Guichon, G. Liu and A. Thomas; sc: SACL; da: 8/7/95; dn: 95 02; NSCL# 3209 ================================================================ Heavy-Ion Reaction Theory ================================================================ Acounting for Multiparticle Bose-Einstein Correlations in Classical Transport Models N. Amelin and R. Lednicky; sc: SUBATECH; da: 8/29/95; dn: 95-09; NSCL# 3248 Bose-Einstein Correlations and Classical Transport Models N. Amelin and R. Lednicky; sc: SUBATECH; da: 8/29/95; dn: 95-08; NSCL# 3250 Deformation Energy of a Toroidal Nucleus and Plane Fragmentation Barriers. H. Kim, S. Schramm, C. Horowitz; sc: SUBATECH; da: 8/29/95; dn: 95-10; pb: Phys. Rev. C; NSCL# 3249 Dynamic Realization of Statistical State in Finite System. X. Wu, F. Sakata, Y. Zhou et al; sc: INS; da: 8/22/95; dn: 1105; NSCL# 3238 Euclidean Responses of He4 at High Momentum Transfer. O. Benhar, J. Carlson, V. Pandharipande et al; sc: CEBAF; da: 8/14/95; dn: TH-95-07; NSCL# 3219 Instabilities in Nuclei. L. Csernai, J. Nemeth and G. Papp; sc: GSI; da: 8/16/95; dn: 95-45; pb: Heavy Ion Physics; NSCL# 3217 Multifragmentation Calculated with Relativistic Forces. H. Feldmeier, J. Nemeth, G. Papp; sc: GSI; da: 8/29/95; dn: 95-47; pb: Heavy Ion Physics; NSCL# 3244 Photon Intensity Interferometry of Systems in Local Equilibrium. L. Razumov, H. Feldmeier; sc: GSI; da: 8/29/95; dn: 95- 46; pb: Phys. Lett. B; NSCL# 3246 Regularity and Chaos in Vlasov Evolution of Nuclear Matter. B. Jacquot, A. Guarnera, Ph. Chomaz et al; sc: GANIL; da: 8/17/95; dn: P 95 17; pb: Phys. Rev. C; NSCL# 3231 Statistical Properties of Fermionic Molecular Dynamics. J. Schnack and H. Feldmeier; sc: GSI; da: 8/1/95; dn: 95- 35; pb: Nucl. Phys. A; NSCL# 3187 ================================================================ High Energy Heavy-Ion Reactions (E/A>20 MeV) ================================================================ Coulomb Instabilities and Multifragment Decays. M. D'Agostino, G.J. Kunde, P. Milazzo et al; sc: NSCL; da: 8/15/95; dn: MSUCL-975; NSCL# 3224 Evolution of Reaction Mechanisms for the Reaction Ar36 + Ni58 Studied from 32 to 95 MeV with the INDRA Multidetector. E. De Filippo, G. Auger, Ch. Bacri et al; sc: SACL; da: 8/7/95; dn: 95 07; NSCL# 3204 Scaling Laws, Shell Effects and Transient Times in Fission Probabilities. L. Moretto, K. Jing, R. Gatti et al; sc: LBL; da: 8/21/95; dn: 37584; NSCL# 3234 ================================================================ Instrumentation ================================================================ A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions. I. Ahmad, S. Austin, B. Back et al; sc: ANL; da: 8/14/95; NSCL# 3223 A Windowless Frozen Hydrogen Target System. P. Knowles, G. Beer, M. Fujiwara et al; sc: TRIUMF; da: 8/1/95; dn: 95-33; pb: Nucl. Instr. & Meth. A; NSCL# 3168 Ballistic Deficit Correction Methods for Large Ge Detectors-High Counting Rate Study. G. Duchene and M. Moszynski; sc: CRN; da: 8/2/95; dn: 95- 08; pb: Nucl. Instr. & Meth. A; NSCL# 3193 Calibration of Plastic Phoswich Detectors for Charged Particle Detection. D. Fox, R. Bowman, G. Ball et al; sc: TASCC; da: 8/25/95; dn: 95-95-24; pb: Nucl. Instr. & Meth. A; NSCL# 3243 Results of Simulations for a High Resolution Detector for the DIRAC Experiment. J. Yonnet and B. Tatischeff; sc: IPN; da: 8/23/95; dn: 95- 13; NSCL# 3241 ================================================================ Light Ion Reactions -- Experimental & Theoretical ================================================================ Cross Sections and Asymmetries for the p(p, pi)pp Reaction from Threshold to 1 GeV. G. Rappenecker, M. Rigney, J. Didelez et al; sc: SACL; da: 8/7/95; dn: 95 09; NSCL# 3208 He3 Induced reactions on Ag(nat) and Au197 at 1.8, 3.6 and 4.8 GeV. J. Brzychczyk, E. Pollacco, C. Volant et al; sc: SACL; da: 8/7/95; dn: 95 11; NSCL# 3201 ================================================================ Low Energy Heavy-Ion Reactions (E/A<20 MeV) ================================================================ A New Look at Positron Production from Heavy-Ion Collisions: Results from APEX. I. Ahmad, S. Austin, B. Back et al; sc: ANL; da: 8/14/95; NSCL# 3222 A Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions Near the Coulomb Barrier. I. Ahmed, S. Austin, B. Back et al; sc: ANL; da: 8/31/95; dn: PHY-8030-HI-95; pb: Phys. Rev. Lett.; NSCL# 3256 ================================================================ Nuclear Structure -- Experimental & Theoretical ================================================================ Evidence for the 3 - Fold alpha - Cluster Symmetry of C12. W. Rae, P. Fry and A. Merchant; sc: OXFORD; da: 8/1/95; dn: 95-12; NSCL# 3191 New Beta Decay Branches Observed in Exotic fp-Shell Nuclides. E. Hagberg, V. Koslowsky, G. Savard et al; sc: TASCC; da: 8/1/95; dn: P-95-19; pb: Presented at the International Conference on Exotic Nuclei and Atomic Masses, Arles, France, June 19-23, 1995; Email: TASCC@CRL.AECL.CA; NSCL# 3190 Observation of the New Isomer Al32m. M. Robinson, P. Halse, M. Lewitowicz et al; sc: GANIL; da: 8/15/95; dn: P 95 18; pb: Phys. Rev. Lett.; NSCL# 3226 Precise Branching Ratio Studies of Superallowed 0+ --> 0+ Beta Emitters. E. Hagberg, G. Savard, V. Koslowsky et al; sc: TASCC; da: 8/1/95; dn: P-95-21; pb: Presented at the 5th International Spring Seminar on Nuclear Physics, Ravello, Itally, May 22-26, 1995; Email: TASCC@CRL.AECL.CA; NSCL# 3188 Production and Identification of Heavy Ni Isotopes: Evidence for the Doubly Magic Nucleus Ni78/28. Ch. Engelmann, F. Ameil, P. Armbruster.; sc: GSI; da: 8/1/95; dn: 95-35; pb: Z. Phys. A; NSCL# 3186 Sum Rules for B (M1, 0+ -->1+) Strength in IBM-3 and IBM-4. P. Halse, P. Van Isacker and B. Barrett; sc: GANIL; da: 8/15/95; dn: P 95 19; pb: Phys. Lett. B; NSCL# 3225 The Strong Interaction Shift and Width of the 1S Level in Pionic Hydrogen. D. Sigg, A. Badertscher, M. Bogdan et al; sc: ETHZ; da: 8/3/95; dn: PR-95-4; pb: Phys. Rev. Lett.; NSCL# 3195 ================================================================ Photonuclear and Electron Physics ================================================================ Elastic Electron Scattering from the Deuteron Using the Gross Equation. J. Van Orden, N. Devine and F. Gross; sc: CEBAF; da: 8/14/95; dn: TH-95-12; NSCL# 3218 Electromagnetic Production of Kappa Sigma on the Proton. J. David, C. Fayard, G. Lamot et al; sc: SACL; da: 8/7/95; dn: 95 14; NSCL# 3197 Electromagnetic Strangeness Production and Hadronic Form Factors. Ch. Charles, J. David, C. Fayard et al; sc: SACL; da: 8/7/95; dn: 95 13; NSCL# 3198 Eta Mesons Photoproduction on the Proton. P. Hoffmann-Rothe, B. Saghai and F. Tabakin; sc: SACL; da: 8/7/95; dn: 95 15; NSCL# 3196 Nodal Trajectories and Kaon Photoproduction. B. Saghai and F. Tabakin; sc: SACL; da: 8/7/95; dn: 95 12; NSCL# 3199 Photoproduction of Strangeness. M. Guidal; sc: SACL; da: 8/7/95; dn: 95 06; NSCL# 3203 Search for Light Neutral Objects Photoproduced in a Crystal Strong Field and Decaying into e+e- Pairs. G. Bassompiere, G. Bologna, D. Boget et al; sc: IPNL; da: 8/17/95; dn: 9520; NSCL# 3230 ================================================================ Physics with Pions, Hyperphysics ================================================================ A New pi+ Lifetime Measurement. T. Numao, J. MacDonald, G.. Marshal et al; sc: TRIUMF; da: 8/1/95; dn: 95-17; pb: Phys. Rev. D; NSCL# 3177 ================================================================ Radioactivity and Fission ================================================================ Heavy-Element Research at GSI. S. Hofmann; sc: GSI; da: 8/16/95; dn: 95-44; pb: Presented at the International Conference on Exotic Nuclei and Atomic Masses, Arles, France, June 19-23, 1995; NSCL# 3228 Instrumentation for Atom - at - a - Time Chemistry of the Heavy Elements. B. Wierczinski and D. Hoffman; sc: LBL; da: 8/22/95; dn: 37463; pb: IANCAS' Frontiers in Nuclear Chemistry Commemoration the Centennial of Becquerel's Discovery of Radioactivity; NSCL# 3235 ================================================================ Relativistic Heavy-Ion Reactions ================================================================ On the Resonant Coherent Excitation of Relativistic Heavy Ions. Yu. Pivovarov, H. Geissel, Yu. Filimonov et al; sc: GSI; da: 8/1/95; dn: 95-38; NSCL# 3183 ================================================================ Miscellaneous ================================================================ A Comment on General Formulae for Polarization Observables in Deuteron Electrodisintegration and Linear Relations. V. Dmitrasinovic and F. Gross; sc: CEBAF; da: 8/14/95; dn: TH-95-10; NSCL# 3227 Can Large u, d Quark Masses be Inferred From the Ds --> n pi Decay Rate? J. Milana and S. Nussinov; sc: UMD; da: 8/14/95; dn: 96- 011; pb: Phys. Rev. D; NSCL# 3215 Constraints on Sigma Nucleus Dynamics from Dirac Phenomenology of Sigma- Atoms. J. Mares, E. Friedman, A. Gal et al; sc: TRIUMF; da: 8/1/95; dn: 95-15; pb: Nucl. Phys. A; NSCL# 3154 Delta Excitations in Neutrino-Nucleus Scattering. H. Kim, S. Schramm and C. Horowitz; sc: GSI; da: 8/1/95; dn: 95-37; pb: Phys. Rev. C.; NSCL# 3184 Double Penguins and the Contribution of Vector Meson-like States to the Decays Beta --> Kappa* gamma, Beta --> rho gamma. J. Milana; sc: UMD; da: 8/1/95; dn: 95-110; pb: Phys. Rev. Lett.; NSCL# 3149 Electron Delocalization in alpha - Nitrogen. V. Storchak, J. Brewer and G. Morris; sc: TRIUMF; da: 8/1/95; dn: 95-36; pb: Phys. Rev. Lett.; NSCL# 3153 Quark-Hadron Duality and gamma * p --> delta Form Factors. V. Belyaev, A. Radyushkin and CEBAF; sc: CEBAF; da: 8/14/95; dn: TH-95-11; NSCL# 3221 Stopping Powers of Gases for Very Heavy Ions. R. Bimbot, S. Barbey T. Benfoughal et al; sc: IPN; da: 8/23/95; dn: 95-04; pb: Presented at the Conference SHIM-95, Caen, France, May 16-19, 1995; NSCL# 3239 The ss Content of the D - meson at Infinite Coupling. C. Alexandrou and A. Galli; sc: PSI; da: 8/9/95; dn: 95- 12; NSCL# 3213 <><><><><><><><><><><><><><><><><><><><><><><><><><><> Source Code Addresses: <><><><><><><><><><><><><><><><><><><><><><><><><><><> ANL Argonne National Laboratory Argonne, IL 60439 BRKC Department of Physics and Center for Nucl. Theory Brooklyn College of CUNY Brooklyn, NY 11210 CEBAF Continuous Electron Beam Accelerator Facility 12000 Jefferson Avenue Newport News, VA 23606 CRN Centre de Recherches Nucleaires Rue du Loers F-67037 Strasbourg France ETHZ Institute for Intermediate Energy Physics ETH Zurich CH-5232 Villigen PSI Switzerland GANIL Laboratoire GANIL Boite Postale No. 5027 F-14021 Caen Cedex France GSI Gesellschaft fur Schwerionforschung Postfach 11 05 52 D-64220 Darmstadt Germany INS Institute for Nuclear Study University of Tokyo Midori-cho Tanashi Tokyo 188 Japan IPN Institut de Physique Nucleaire Boite Postale No. 1 F-91406 Orsay Cedex France IPNL Institut de Physique Nucleaire de Lyon et Universite Claude Bernard F 69622 Villeurbanne Cedex France LBL Lawrence Berkeley Laboratory 1 Cyclotron Road Berkeley CA 94720 NSCL National Superconducting Cyclotron Laboratory Michigan State University East Lansing, MI 48824-1321 USA OXFORD Nuclear Physics Laboratory 1 Keble Road Oxford England OX1 3RH PSI Paul Scherrer Institute CH-5232 Villigen PSI Switzerland SACL Centre d'Etudes Nucleaire Saclay F-91190 Gif-sur-Yvette France SUBATECH Laboratoire de Physique Subatomique 4, Rue Alfred Kastler La Chantrerie 44070 Nantes Cedex 03 France TASCC T A S C C Chalk River Nuclear Laboratories Chalk River ON Canada K0J 1J0 TRIUMF TRIUMF 4004 Wesbrook Mall Vancouver, BC Canada V6T 2A3 UMD Departments of Physics & Astronomy University of Maryland College Park MD 20742 USA