!! !! !!\\\ !!\\\ !!\ !! !! \\ !! \\ !! \\ !! !! // !! // !! \\ !! !!/// !!/// !! \!! !! !! !! !! !! !! Prepared at the NATIONAL SUPERCONDUCTING CYCLOTRON LABORATORY Michigan State University, East Lansing, Michigan 48824-1321 Vol. 18 No. 5 5/4/99 Communicate all comments and questions, and for each preprint you produce, send a copy to: Dr. Betty Tsang at the NSCL. Send inquiry to:tsang@nscl.msu.edu Current and previous versions are also available on the World Wide web at http://www.nscl.msu.edu/news/nscl_library/preprints Table of Contents: ------------------ Astrophysics Exotic Nuclei General Nuclear Theory Heavy-Ion Reaction Theory High Energy Heavy-Ion Reactions (E/A>20 MeV) Nuclear Structure -- Experimental & Theoretical Miscellaneous ================================================================ Astrophysics ================================================================ 44Ti: Its Effective Decay Rate in Young Supernova Remnants, and its Abundance in Cas-A Y. Mochizuki, K. Takahashi et al; sc: RIKEN; da: 4/27/99; dn: RIKEN-AF-NP-307; NSCL# 5251 Gravitational Microlensing P. Jetzer; sc: PSI; da: 4/26/99; dn: PSI PR-99-10; NSCL# 5241 ================================================================ Exotic Nuclei ================================================================ Observation of the 7He Excited State with Unusual Structure A.A. Korsheninnikov, M.S. Golovkov et al; sc: RIKEN; da: 4/27/99; dn: RIKEN-AF-NP-312; NSCL# 5253 Two-Neutron Interferometry as a Probe of the Nuclear Halo F.M. Marques, M. Labiche et al; sc: CAEN; da: 4/13/99; dn: LPCC 99-13; pb: Phys. Rev. Lett.; NSCL# 5233 ================================================================ General Nuclear Theory ================================================================ Third Order Differential Equation Possessing Three Symmetries C. Geronimi, P.G.L. Leach et al; sc: SUBATECH; da: 4/1/99; dn: SUBATECH 99-05; NSCL# 5227 ================================================================ Heavy-Ion Reaction Theory ================================================================ Is Binary Sequential Decay Compatible with the Fragmentation of Nuclei at High Energy? P. Wagner, J. Richert et al; sc: IRES; da: 4/22/99; pb: Phys. Lett. B; NSCL# 5240 ================================================================ High Energy Heavy-Ion Reactions (E/A>20 MeV) ================================================================ Heating 197Au Nuclei with 8 GeV Antiproton and pi^- Beams T. Lefort, K. Kwiatkowski et al; sc: IUCF; da: 4/9/99; dn: INC-40007-134; NSCL# 5232 Heating of Nuclear Matter and Multifragmentation: Antiprotons vs. Pions L. Beaulieu, T. Lefort et al; sc: IUCF; da: 4/9/99; dn: INC-40007-135; NSCL# 5230 Isolating the Thermal Degree of Freedom in Nuclear Multifragmentaion V.E. Viola, T. Lefort; sc: IUCF; da: 4/9/99; dn: INC-40007- 136; NSCL# 5231 Mass Scaling of Reaction Mechanisms in Intermediate Energy Heavy Ion Collisions V. Metivier, B. Tamain et al; sc: CAEN; da: 4/15/99; dn: LPCC 99-15; pb: Nucl. Phys. A; NSCL# 5236 Source Size and Time Dependence of Multifragmentation Induced by GeV 3He Beams G. Wang, K. Kwiatkowski et al; sc: IUCF; da: 4/9/99; dn: INC-40007-130; NSCL# 5229 Statistical Interpretation of Joint Multiplicity Distributions of Neutrons and Charged Particles J. Toke, D.K. Agnihotri et al; sc: ROCH-NSRL; da: 4/7/99; dn: UR-NSRL 99-436; NSCL# 5228 ================================================================ Nuclear Structure -- Experimental & Theoretical ================================================================ High-K Exotics in Osmium Isotopes A. Ansari, M. Oi et al; sc: RIKEN; da: 4/27/99; dn: RIKEN- AF-NP-305; NSCL# 5249 High-Spin Structure of 182,184Os in Tilted Axis Cranking Approach A. Ansari, M. Oi et al; sc: RIKEN; da: 4/27/99; dn: RIKEN- AF-NP-306; NSCL# 5250 ================================================================ miscellaneous ================================================================ Kinetic Distribution of pi^-p- Atoms in Liquid and Gaseous Hydrogen A. Badertscher, M. Daum et al; sc: PSI; da: 4/15/99; dn: PSI-PR-99-08; NSCL# 5234 Quantum Clocks and the Origin of Time in Complex Systems S. Hitchcock; sc: NSCL; da: 4/15/99; dn: MSUCL-1123; NSCL# 5237 Thermal Equilibrium of Molecular Clouds in Cooling Flow Clusters D. Puy, L. Grenacher et al; sc: PSI; da: 4/26/99; dn: PSI PR-99-09; NSCL# 5242 <><><><><><><><><><><><><><><><><><><><><><><><><><><> Source Code Addresses: <><><><><><><><><><><><><><><><><><><><><><><><><><><> CAEN Laboratoire de Physique Corpusculaire ISMRA - Boulevard Marechal Juin 14050 Caen Cedex France IRES Institut de Recherches Subatomique B.P. 28 F-67037 Strasbourg Cedex 2 France IUCF Indiana University Cyclotron Facility Bloomington, IN 47405 NSCL National Superconducting Cyclotron Laboratory Michigan State University East Lansing, MI 48824-1321 USA PSI Paul Scherrer Institute CH-5232 Villigen PSI Switzerland RIKEN The Institute of Physical and Chemical Research 2-1 Hirosawa Wako, Saitama 351-01 Japan ROCH-NSRL Nuclear Structure Research Lab University of Rochester Rochester, New York 14627 SUBATECH Laboratoire de Physique Subatomique 4, Rue Alfred Kastler La Chantrerie 44070 Nantes Cedex 03 France