!! !! !!\\\ !!\\\ !!\ !! !! \\ !! \\ !! \\ !! !! // !! // !! \\ !! !!/// !!/// !! \!! !! !! !! !! !! !! Prepared at the NATIONAL SUPERCONDUCTING CYCLOTRON LABORATORY Michigan State University, East Lansing, Michigan 48824-1321 Vol. 16 No. 8 8/20/97 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 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 Physics with Pions, Hyperphysics Radioactivity and Fission ================================================================ Accelerator Physics ================================================================ Facility Status Update of IUCF G.W. East; sc: IUCF; da: 7/23/97; NSCL# 4507 Stability of Anisotropic Beams With Space Charge I. Hofmann; sc: GSI; da: 7/18/97; dn: GSI-Preprint-97- 27; NSCL# 4504 ================================================================ Exotic Nuclei ================================================================ Evidence for a Neutron Skin in N20 O.V. Bochkarev, L.V. Chulkov et al; sc: GSI; da: 7/18/97; dn: GSI-Preprint-97-33; NSCL# 4503 Exploratory Coupled Channels Calculations for Loosely Bound Carbon Isotopes D. Ridikas, M.H. Smedberg et al; sc: GANIL; da: 7/23/97; dn: GANIL P 97 20; NSCL# 4508 Separate Determination of Diffraction Dissociation and Absorption Contribution to the Breakup Cross Section of Halo Nucleus Be11 F. Negoita, C. Borcea et al; sc: GANIL; da: 7/9/97; dn: GANIL P 97 23; NSCL# 4499 ================================================================ General Nuclear Theory ================================================================ Nuclear Clusters in Exit and Entrance Channels G. Royer; sc: SUBATECH; da: 7/25/97; dn: SUBATECH 97- 19; pb: International Workshop on New Ideas on Clustering in Nuclear and Atomic Physics, Rauischholzhausen Castle, Marburg, June 9-13, 1997; NSCL# 4511 ================================================================ Heavy-Ion Reaction Theory ================================================================ Beyond Mean Field Confrontation of Different Models With High Transverse Momentum Proton Spectra M. Germain, Ch. Hartnack et al; sc: SUBATECH; da: 7/14/97; dn: SUBATECH 97-17; NSCL# 4501 The Importance of Initial-Final State Correlations for the Formation of Fragments in Heavy Ion Collisions P.-B. Gossiaux and J. Aichelin; sc: SUBATECH; da: 7/25/97; dn: SUBATECH 97-20; NSCL# 4509 ================================================================ High Energy Heavy-Ion Reactions (E/A>20 MeV) ================================================================ An Intermediate Velocity Source of Intermediate-Mass Fragments in the Ca40+Ca40 Reaction at Elab=35 MeV/Nucleon P. Pawlowski, J. Brzychczyk et al; sc: JAGL; da: 7/14/97; dn: ZFGM-97-02; NSCL# 4502 Search for Dynamical Effects in the Multifragmentation Process at Intermediate Energy M. Germain, P. Eudes et al; sc: SUBATECH; da: 7/30/97; dn: SUBATECH-97-09; NSCL# 4514 Temperature Measurements From Relative Populations of Excited States With INDRA M. Assenard, C. Lebrun et al; sc: SUBATECH; da: 7/25/97; dn: SUBATECH 97-15; NSCL# 4510 ================================================================ Instrumentation ================================================================ The Design and Performance of the Zeus Central Tracking Detector z- By-Timing System D.S Bailey, B. Foster et al; sc: OXFORD; da: 7/28/97; dn: OUNP-97-09; NSCL# 4513 ================================================================ Light Ion Reactions -- Experimental & Theoretical ================================================================ (n,d) - Reactions on Medium Mass Nuclei S.S. Dimitrova, G.Z. Krumova et al; sc: OXFORD; da: 7/8/97; dn: OUNP-97-03; pb: J. of Phys. G; NSCL# 4496 Analysis of (p, alpha) and (p, He3) Cross-Sections to Continuum States by the Feshbach-Kerman-Koonin Multistep Direct Theory P.E. Hodgson, P. Demetriou et al; sc: OXFORD; da: 7/8/97; dn: OUNP-97-07; pb: International Workshop on New Ideas on Clustering in Nuclear and Atomic Physics, Rauischholzhausen Castle, Marburg, June 9-13, 1997; NSCL# 4495 Analysis of (p, alpha) and (p, He3) Reactions to Continuum States by Multistep Direct Reaction Theories P.E. Hodgson; sc: OXFORD; da: 7/8/97; dn: OUNP-97-05; pb: 8th International Conference on Nuclear Reaction Mechanisms, Varenna, June 9-14, 1997; NSCL# 4497 One-Nucleon Removal Reactions as a Test of Overlap Functions From the One-body Density Matrix Calculations S.S. Dimitrova, M.K. Gaidarov et al; sc: OXFORD; da: 7/28/97; dn: OUNP-97-08; pb: J. of Phys. G; NSCL# 4512 Physics With Polarized He3 at IUCF J. Sowinski; sc: IUCF; da: 7/23/97; pb: 7th International Workshop on He3 Beams and Gas Targets and Their Applications, Kobe, Japan, January 20-24 1997; NSCL# 4505 ================================================================ Low Energy Heavy-Ion Reactions (E/A<20 MeV) ================================================================ Transfer and Surface Barrier Couplings in the Fusion of Ca40+Ti46,48,50 at near-barrier Energies A.A. Sonzogni, J.D. Bierman et al; sc: WASH; da: 7/23/97; NSCL# 4506 ================================================================ Nuclear Structure -- Experimental & Theoretical ================================================================ Ti40 Beta Decay and the Neutrino Capture Cross Section of Ar40 W. Trinder, R. Anne et al; sc: GANIL; da: 7/9/97; dn: GANIL P 97 24; NSCL# 4500 ================================================================ Physics with Pions, Hyperphysics ================================================================ Multinucleon Pion Absorption on He4 into the pppn Final State A. Lehmann, D. Androic et al; sc: PSI; da: 7/8/97; dn: PSI- PR-97-16; NSCL# 4498 ================================================================ Radioactivity and Fission ================================================================ Fission Lifetime Measured by the Blocking Technique as a Function of Excitation Energy in the 24 A.MeV U238+Si28 Reaction M. Morjean, M. Chevallier et al; sc: GANIL; da: 7/3/97; dn: GANIL P 97 21; NSCL# 4494 <><><><><><><><><><><><><><><><><><><><><><><><><><><> Source Code Addresses: <><><><><><><><><><><><><><><><><><><><><><><><><><><> GANIL Laboratoire GANIL Boite Postale No. 5027 F-14021 Caen Cedex France GSI Gesellschaft fur Schwerionforschung Postfach 11 05 52 D-64220 Darmstadt Germany IUCF Indiana University Cyclotron Facility Bloomington, IN 47405 JAGL M. Smoluchowski Institute of Physics Jagellonian University Reymonta 4, 30-059 Krakow, Poland OXFORD Nuclear Physics Laboratory 1 Keble Road Oxford England OX1 3RH PSI Paul Scherrer Institute CH-5232 Villigen PSI Switzerland SUBATECH Laboratoire de Physique Subatomique 4, Rue Alfred Kastler La Chantrerie 44070 Nantes Cedex 03 France WASH Department of Physics University of Washington Seattle, WA 98195