!! !! !!\\\ !!\\\ !!\ !! !! \\ !! \\ !! \\ !! !! // !! // !! \\ !! !!/// !!/// !! \!! !! !! !! !! !! !! Prepared at the NATIONAL SUPERCONDUCTING CYCLOTRON LABORATORY Michigan State University, East Lansing, Michigan 48823-1321 Vol. 15 No. 7 7/3/96 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 35.8.32.44 in the /pub/preprints directory and on the World Wide Web at ftp://www.nscl.msu.edu/pub/preprints Table of Contents: ------------------ Accelerator Physics Astrophysics Exotic Nuclei General Nuclear Theory Heavy-Ion Reaction Theory High Energy Heavy-Ion Reactions (E/A>20 MeV) Instrumentation Nuclear Structure -- Experimental & Theoretical Photonuclear and Electron Physics Physics with Pions, Hyperphysics Relativistic Heavy-Ion Reactions Miscellaneous ================================================================ Accelerator Physics ================================================================ Evidence of Preferential Diffusion and Segregation of Impurities at Grain Boundaries in Very Pure Niobium Used For Radiofrequency Cavities C. Antoine, B. Bonine et al; sc: IPNL; da: 6/4/96; dn: LYCEN 9609; pb: Journal of Applied Physics; NSCL# 3895 Radioactive Ion Beam Production Tests for SPIRAL N. Lecesne, J.C. Angelique et al; sc: GANIL; da: 6/11/96; dn: GANIL S 96-03; pb: XXXIV Winter Meeting on Nuclear Physics, Bormio, Italy, January 22-27, 1996; NSCL# 3909 The New Chalk River AMS Ion Source, Sample Changer and External Sample Magazine V.T. Koslowsky, N.Bray et al; sc: TASCC; da: 6/14/96; dn: TASCC-P-96-17; pb: 7th International Conference on Accelerator Mass Spectrometry, Tuscon, Arizona, May 19-26, 1996; Email: TASCC@CRL.AECL.CA; NSCL# 3912 The Reduction of Sample Memory Effects in the Chalk River AMS Ion Source V.T. Kolowsky, H.R. Andrews et al; sc: TASCC; da: 6/14/96; dn: TASCC-96-16; pb: 7th International Conference on Accelerator Mass Spectrometry, Tuscon, Arizona, May 19-26, 1996; Email: TASCC@CRL.AECL.CA; NSCL# 3913 ================================================================ Astrophysics ================================================================ New Large Number Hypotheses and Geometrical Relations on Substructures of the Universe H. Terazawa; sc: INS; da: 6/4/96; dn: INS-Rep.-1138; NSCL# 3902 ================================================================ Exotic Nuclei ================================================================ The Momentum Content of Single-Nucleon Halos P.G. Hansen; sc: NSCL; da: 6/19/96; dn: MSUCL-1032; NSCL# 3919 ================================================================ General Nuclear Theory ================================================================ Chiral Lagrangians and Quark Condensate in Nuclei J. Delorme, G. Chanfray et al; sc: IPNL; da: 6/18/96; dn: LYCEN 9604; pb: Nucl. Phys. A; NSCL# 3917 Phase Transition in Warm Nuclear Matter With Alternative Derivative Coupling Models M. Malheiro, A. Delfino et al; sc: UMD; da: 6/20/96; dn: U. of MD PP#96-105; pb: Phys. Rev. C; NSCL# 3920 Quantum Fields and Dissipation P. Henning; sc: GSI; da: 6/24/96; dn: GSI-Preprint-96- 23; pb: Physics Essays; NSCL# 3932 ================================================================ Heavy-Ion Reaction Theory ================================================================ Signals of Fragment Structure From a Semiclassical Transport Equation in Heavy-Ion Collisions C.O. Dorso, T. Reposeur et al; sc: SUBATECH; da: 6/4/96; dn: SUBATECH 96-05; Email: audi@frcpn11.in2p3.fr; NSCL# 3900 ================================================================ High Energy Heavy-Ion Reactions (E/A>20 MeV) ================================================================ Characteristic of Vaporization Events: Is Thermodynamical Equilibrium Achieved? B. Borderie, A. Chbihi et al; sc: IPN; da: 6/24/96; dn: IPNO-DRE-96-11; pb: Phys. Lett. B; NSCL# 3929 Decay Patterns of Target-like and Projectile-like Nuclei Produced in Kr84 + Au197, natU Reactions at E/A=150 MeV B.M. Quednau, E. Crema et al; sc: GANIL; da: 6/11/96; dn: GANIL P 96 10; NSCL# 3907 Life Time Measurement By Light Particle Interferometry With Indra D. Gourio, T. Reposeur et al; sc: SUBATECH; da: 6/4/96; dn: SUBATECH 96-04; pb: XXXIV Winter Meeting on Nuclear Physics, Bormio, Italy, January 22-27, 1996; Email: audi@frcpn11.in2p3.fr; NSCL# 3899 Many-Body Coulomb Perturbation of Azimuthal Alpha-Alpha Correlations R. Popescu, C.K. Gelbke et al; sc: NSCL; da: 6/6/96; dn: MSUCL-1030; NSCL# 3906 Nuclear Interferometry From Low Energy To Ultra-Relativistic Nucleus- Nucleus Collisions B. Erazmus, R. Lednicky et al; sc: SUBATECH; da: 6/4/96; dn: SUBATECH 966-03; pb: XXXIV Winter Meeting on Nuclear Physics, Bormio, Italy, January 22-27, 1996; Email: audi@frcpn11.in2p3.fr; NSCL# 3898 Secondary Decay and Two-Fragment Correlation Functions D. Fox, D.R. Bowman et al; sc: TASCC; da: 6/11/96; dn: TASCC-P-96-13; pb: Phys. Rev. C.; Email: TASCC@CRL.AECL.CA; NSCL# 3910 Shadowing Effects and Transverse Momentum Dependence of Particle Emission at Intermediate Energy Heavy Ion Collisions A. Buta, G. Bizard et al; sc: CAEN; da: 6/21/96; dn: LPCC 96-08; pb: Z. Phys. A; NSCL# 3927 Some Aspects of Fission in Nuclear Collisions at Intermediate Energies G. Bizard, J. Colin et al; sc: CAEN; da: 6/21/96; dn: LPCC 96-06; pb: XXXIV Winter Meeting on Nuclear Physics, Bormio, Italy, January 22-27, 1996; NSCL# 3926 Universality of Spectator Fragmentation at Relativistic Bombarding Energies A. Schuttauf, W.D. Kunze et al; sc: GSI; da: 6/26/96; dn: GSI-Preprint-96-26; NSCL# 3936 ================================================================ Instrumentation ================================================================ Development of Imaging MicroStrip Gas Chamber With 5cm x 5cm Area Based on Multi-Chip Module Technology T. Tanimori, A. Ochi et al; sc: INS; da: 6/21/96; dn: INS- Rep.-1143; pb: Nucl. Instr. & Meth. A; NSCL# 3925 Low-Temperature Particle Detectors N.E. Booth, B. Cabrera et al; sc: OXFORD; da: 6/6/96; dn: OUNP-96-10; pb: Annual Review of Nuclear and Particle Science; NSCL# 3903 Status of the Pestov Spark Counter Development for the Alice Experiment E. Badura, V. Dodokhov et al; sc: GSI; da: 6/24/96; dn: GSI-Preprint-96-22; NSCL# 3931 Superconducting Particle Detectors N.E. Booth, D.J. Goldie; sc: OXFORD; da: 6/6/96; dn: OUNP- 96-09; pb: Superconductor Science and Technology; NSCL# 3904 The Chalk River AMS Time-Of-Flight Detection System V.T. Koslowsky, H.R. Andrews et al; sc: TASCC; da: 6/14/96; dn: TASCC-96-18; pb: 7th International Conference on Accelerator Mass Spectrometry, Tuscon, Arizona, May 19-26, 1996; Email: TASCC@CRL.AECL.CA; NSCL# 3914 ================================================================ Nuclear Structure -- Experimental & Theoretical ================================================================ Configurations of Superdeformed Bands in Pb193 L. Ducroux, A. Astier et al; sc: IPNL; da: 6/4/96; dn: LYCEN 9607; pb: Phys. Rev. C; NSCL# 3897 Large No-Core Basis-Space Model Calculations for Light Nuclei B.R. Barret, D.C. Zheng et al; sc: UA; da: 6/14/96; pb: Drexel Workshop on the Contemporary Nuclear Shell-Model, Drexel University, April 29-30, 1996; NSCL# 3915 Quenching of 1+ Excitation in the Double Giant Resonance C.A. Bertulani, V.Yu Ponomarev et al; sc: GSI; da: 6/24/96; dn: GSI-Preprint-96-25; NSCL# 3934 Temperature Dependence of the Giant Dipole Resonance Width in Pb208 E. Ramkrishnan, A. Azhari et al; sc: NSCL; da: 6/24/96; dn: MSUCL-1033; NSCL# 3928 ================================================================ Photonuclear and Electron Physics ================================================================ Recoil Properties in (Gamma, n) Reaction Measured By Catcher Foil Method S. Shibata, I. Fujiwara et al; sc: INS; da: 6/21/96; dn: INS-Rep.-1141; NSCL# 3921 Single and Double Delta Production in the He3(Gamma, Pi+Pi-) Reaction at 380 MeV<><><><><><><><><><><><><><><><><><><><><><><><><><> Source Code Addresses: <><><><><><><><><><><><><><><><><><><><><><><><><><><> CAEN Laboratoire de Physique Corpusculaire ISMRA - Boulevard Marechal Juin 14050 Caen Cedex 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 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 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 UA Dept of Physics University of Arizona Tuscon, AZ 85721 UMD Departments of Physics & Astronomy University of Maryland College Park MD 20742 USA