!! !! !!\\\ !!\\\ !!\ !! !! \\ !! \\ !! \\ !! !! // !! // !! \\ !! !!/// !!/// !! \!! !! !! !! !! !! !! Prepared at the NATIONAL SUPERCONDUCTING CYCLOTRON LABORATORY Michigan State University, East Lansing, Michigan 48823-1321 Vol. 16 No. 4 4/4/97 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 Astrophysics Exotic Nuclei General Nuclear Theory Heavy-Ion Reaction Theory High Energy Heavy-Ion Reactions (E/A>20 MeV) Instrumentation 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 ================================================================ Quantum Field Action Effect on Radiation Cooling and Cyclotron Maser Cooling of Particle Beams H. Ikegami; sc: UUPP; da: 3/1/97; dn: 97-0167; NSCL# 4349 The Linear Buncher of SPIRAL Beam. Test of a Prototype A. Chabert, Ch. Ricaud et al; sc: GANIL; da: 3/12/97; dn: S 97-01; NSCL# 4355 ================================================================ Astrophysics ================================================================ Halo Dark Clusters of Brown Dwarfs and Molecular Clouds F. De Paolis, G. Ingrosso et al; sc: PSI; da: 3/17/97; dn: PSI-PR-97-06; NSCL# 4361 The X-Ray Sun in Time. A study of the Long-term Evolution of Coronae of Solar-Type Stars M. Gudel, E.F. Guinan et al; sc: PSI; da: 3/17/97; dn: PSI- PR-97-07; NSCL# 4362 ================================================================ Exotic Nuclei ================================================================ Invariant-Mass Spectroscopy of Li10 and Li11 M. Zinser, F. Humbert et al; sc: GSI; da: 3/10/97; dn: 97- 14; pb: Nucl. Phys. A; NSCL# 4343 Proton Emission from Drip-Line Nuclei Ta157 and Re161 R.J. Irvine, C.N. Davids et al; sc: ANL; da: 3/13/97; dn: PHY-8637-HI-97; pb: Phys. Rev. C; NSCL# 4357 ================================================================ General Nuclear Theory ================================================================ A Study of Off-Forward Parton Distributions Xiangdong Ji, W. Melnitchouk et al; sc: UMD; da: 3/21/97; dn: U. of MD PP#97-085; pb: Phys. Rev. D; NSCL# 4374 Analytic calculation of Tc and Muc Within the Improved Braaten- Pierski Approach V. Gogohia, B. Lukacs et al; sc: KFKI; da: 3/6/97; dn: KFKI-1996-14/A; NSCL# 4341 Complete Leading Order Analysis n Chiral Perturbation Theory of the Decays KL --> gamma gamma and KL --> l+l- J. L. Goity and L. Zhang; sc: CEBAF; da: 3/18/97; dn: JLAB- THY-97-06; NSCL# 4366 Fixed-Velocity Chiral Sum Rules for Nuclear Matter Thomas D. Cohen and Wojciech Broniowski; sc: UMD; da: 3/21/97; dn: U. of MD PP#95-077; pb: Phys. Rev. C; NSCL# 4372 How Much of the Nucleon Spin is Carried by Glue? I. Balitsky and X.d. Ji; sc: CEBAF; da: 3/18/97; dn: JLAB- THY-97-05; NSCL# 4367 Muon Capture on Nuclei and the Induced Pseudoscalar Coupling Constant M.D. Hasinoff; sc: TRIUMF; da: 3/25/97; dn: TRI-96-66; pb: International Symposium on Non-Nucleonic Degrees of Freedom Detected in the Nucleus, Osaka, Japan, Sept. 2-5, 1996; NSCL# 4384 Normalization of the Covariant Three-body Bound State Vertex Function J. Adam, Jr., F. Gross et al; sc: CEBAF; da: 3/18/97; dn: JLAB-THY-97-04; NSCL# 4368 Nuclear Matter Studies with Density-Dependent Meson-Nucleon Coupling Constants Manoj K. Banerjee and J. A. Tjon; sc: UMD; da: 3/21/97; dn: U. of MD PP#97-098; pb: Phys. Rev. Lett.; NSCL# 4371 Short-Range Repulsion and Symmetry of Two-Body Wave Functions J. Yang and V. Zelevinsky; sc: NSCL; da: 3/14/97; dn: MSUCL-1060; NSCL# 4360 Strange Vector Currents and the OZI-rule Ulf-G. MeiBner, V. Mull et al; sc: CEBAF; da: 3/18/97; dn: JLAB-THY-97-02; NSCL# 4369 Structure and Dynamics of Light Nuclei: A Status Report R. Schiavilla; sc: CEBAF; da: 3/18/97; dn: JLAB-THY-97- 03; NSCL# 4365 Supersymmetric Time Reversal Violation in Semileptonic Decays of Charged Mesons G.-H. Wu and J.N. Ng; sc: TRIUMF; da: 3/27/97; dn: TRI-97- 49; pb: Phys. Lett. B; NSCL# 4383 ================================================================ Heavy-Ion Reaction Theory ================================================================ Isospin Dependent Multi-fragmentation in Sn112+Sn112 and Sn124+ Sn124 collisions G. Kortemeyer, W. Bauer et al; sc: NSCL; da: 3/10/97; NSCL# 4348 Shape Resilience of Nuclear Matter in Light Ion Induced Reactions M. Colonna, J. Cugnon et al; sc: LNS; da: 3/21/97; NSCL# 4376 ================================================================ High Energy Heavy-Ion Reactions (E/A>20 MeV) ================================================================ Fragment Flow in Au+Au Collisions F. Rami; sc: CRN; da: 3/11/97; dn: crn 96-39; pb: International Research Workshop, Romania, October 7-14, 1996; NSCL# 4350 Multifragmentation of Heavy Systems: Characteristics and Scaling laws M.F. Rivet; sc: IPN; da: 3/26/97; dn: IPNO-DRE-97-11; pb: XXXV International Winter Meeting on Nuclear Physics; NSCL# 4380 Multifragmentation of Nuclei Bernard Tamain, Dominique Durand; sc: LPC-CAEN; da: 3/31/97; dn: LPCC 96-16; pb: International Summer School, Les Houches (France), August 1996; NSCL# 4400 Neutron Transfer Reactions with Radioactive Beams J.S. Winfield, W.N. Catford; sc: LPC-CAEN; da: 3/31/97; dn: LPCC 97-03; pb: Nucl. Instr. & Meth. A; NSCL# 4398 Selection of Single-Source Multifragmentation Events for Collisions of Gd155 + U238 at 36 MeV/u Studied with INDRA J.D. Frankland; sc: IPN; da: 3/26/97; dn: IPNO-DRE-97- 10; pb: XXXV International Winter Meeting on Nuclear Physics; NSCL# 4381 Sign Dependence of Spin Polarization for Secondary Fragments Produced Following Intermediate-Energy Projectile Fragmentation P.F. Mantica, R.W. Ibbotson et al; sc: NSCL; da: 3/13/97; dn: MSUCL-1063; NSCL# 4358 ================================================================ Instrumentation ================================================================ A More Physical Approach to Model the Surface Treatment of Scintillation Counters and its Implementation in DETECT A. Levin and C. Moisan; sc: TRIUMF; da: 3/27/97; dn: TRI- PP-96-64; pb: IEEE Nuclear Science Symposium, Anaheim, California, Nov. 2-4 1996; NSCL# 4386 A Position Detector for 1-10 MeV Gamma Rays J.G. Rogers, C. Moisan et al; sc: TRIUMF; da: 3/27/97; dn: TRI-PP-96-67; pb: IEEE Nuclear Science Symposium, Anaheim, California, Nov. 2-4 1996; NSCL# 4382 Bipolar Monolithic Front-End Preamplifier for use with Silicon Photodetectors M. Goyot; sc: IPNL; da: 3/28/97; dn: LYCEN 9704; pb: Second Workshop on electronics for LHC experiments in Balaton; NSCL# 4394 Impact Parameter Determination in Experimental Analysis Using Neural Network F. Haddad, K. Hagel et al; sc: SUBATECH; da: 3/10/97; dn: 97-01; NSCL# 4346 Simulating the Performances of an LSO Based Position Encoding Detector for PET C. Moisan, D. Vozza et al; sc: TRIUMF; da: 3/27/97; dn: TRI-PP-95-58; pb: IEEE Nuclear Science Symposium, Anaheim, California, Nov. 2-4 1996; NSCL# 4387 ================================================================ Low Energy Heavy-Ion Reactions (E/A<20 MeV) ================================================================ Charged-particle Evaporation From Hot Yb164 Compound Nuclei and the Role of He5 Emission R.J. Charity, M. Korolija et al; sc: WUSL; da: 3/4/97; NSCL# 4340 Statistical Description of Strongly Damped Binary Yields From the Si28 + O16 Reaction A. Szanto de Toledo, S.J. Sanders et al; sc: CRN; da: 3/21/97; dn: CRN 97-03; pb: Phys. Rev. C; NSCL# 4370 ================================================================ Nuclear Structure -- Experimental & Theoretical ================================================================ Delta I = 4 Bifurcation in Identical Superdeformed Bands D.S. Haslip, S. Filbotte et al; sc: TASCC; da: 3/6/97; dn: TASCC-P-97-2; pb: Phys. Rev. Lett.; NSCL# 4342 Direct Reactions In Inverse Kinematics For Nuclear Structure Studies Far Off Stability at Low Incident Energies P. Egelhof; sc: GSI; da: 3/10/97; dn: GSI-97-17; pb: International Workshop on Research With Fission Fragments 28-30 October 1996 Benediktbeuern, Allemagne; NSCL# 4345 Measurement of the l-forbidden Gamow-Teller Branch of K37 E. Hagberg, I.S. Towner et al; sc: TASCC; da: 3/4/97; dn: TASCC-P-97-6; pb: Phys. Rev. C; NSCL# 4339 Nuclear Structure Studies of Medium-Mass Nuclei Using Large Ge Arrays C. Baktash; sc: ORNL; da: 3/28/97; pb: International School of Nuclear Physics, 18th Course; NSCL# 4397 Proton Scattering on the Unstable S38 Nucleus: Isovector Contribution to the 21+ State J.H. Kelly, T. Suomijarvi et al; sc: NSCL; da: 3/27/97; dn: MSUCL-1065; NSCL# 4391 Structure of Giant Quadrupole Resonances in Neutron Drip Line Nuclei I. Hamamoto, H. Sagawa et al; sc: LUIT; da: 3/11/97; dn: Lund-MPh-97/02; NSCL# 4354 ================================================================ Photonuclear and Electron Physics ================================================================ Covariant Equations for the Three-Body Bound State A. Stadler, F. Gross et al; sc: CEBAF; da: 3/27/97; dn: JLAB-THY-97-09; NSCL# 4392 ================================================================ Physics with Pions, Hyperphysics ================================================================ Effects of Relativistic Dynamics in pp ---> pp pi0 near Threshold J. Adam, Jr. , A. Stadler et al; sc: CEBAF; da: 3/27/97; dn: JLAB-THY-97-08; NSCL# 4390 ================================================================ Radioactivity and Fission ================================================================ Cluster Radioactivity and Very Asymmetric Fission Through Quasi- Molecular Shapes G. Royer, R.K. Gupta et al; sc: SUBATECH; da: 3/25/97; dn: SUBATECH 97-04; NSCL# 4377 Exotica in Nuclear Fission F.F. Karpeshin; sc: BHEP; da: 3/12/97; pb: XXXIV Winter Meeting on Nuclear Physics, Bormio, Italy, January 22-27, 1996; NSCL# 4356 Fission Hindrance in Hot Nuclei B.B. Back, D.J. Hofman et al; sc: ANL; da: 3/27/97; dn: PHY-865-HI-97; pb: 13th International Conference on Nuclear Dynamics, Marathon Key, Florida, Feb. 1-8, 1997; NSCL# 4388 New Proton Radioactivities Ir165, 166, 167 and Au171 C.N. Davids, P.J. Woods et al; sc: ANL; da: 3/13/97; dn: PHY-8594-HI-96; pb: Phys. Rev. C; NSCL# 4359 ================================================================ Relativistic Heavy-Ion Reactions ================================================================ The NA50 Segmented Target and Vertex Recognition System F. Bellaiche, B. Cheynis et al; sc: IPNL; da: 3/28/97; dn: LYCEN 9707; pb: Nucl. Instr. and Meth. in Phys. Research; NSCL# 4396 ================================================================ Miscellaneous ================================================================ APEX: Positive Evidence for Sharp 800 keV Pairs James J. Griffin; sc: UMD; da: 3/21/97; dn: U. of MD PP#97- 080; pb: Phys. Rev. C; NSCL# 4373 Comment on "A Serach for Narrow Sum Energy Lines in Electron- Positron Pair Emission from Heavy Ion Collisions Near the Coulomb Barrier" James J. Griffin; sc: UMD; da: 3/1/97; dn: 97-087; pb: Phys. Rev. Lett.; NSCL# 4347 Dynamic Screening and Thermonuclear Reaction Rates Andrei V. Gruzinov; sc: IASP; da: 3/31/97; dn: IASSNS-AST 97/9; pb: Astrophys. J.; NSCL# 4399 Reply to Baur's and Bertulani's Comment C.J. Benesh, A.C. Hayes et al; sc: TASCC; da: 3/25/97; dn: TASCC-P-97-7; pb: Phys. Rev. C; NSCL# 4378 <><><><><><><><><><><><><><><><><><><><><><><><><><><> Source Code Addresses: <><><><><><><><><><><><><><><><><><><><><><><><><><><> ANL Argonne National Laboratory Argonne, IL 60439 BHEP Institute of High Energy Physics Beijing 100039 People's Republic of China 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 GANIL Laboratoire GANIL Boite Postale No. 5027 F-14021 Caen Cedex France GSI Gesellschaft fur Schwerionforschung Postfach 11 05 52 D-64220 Darmstadt Germany IASP Institute for Advanced Study Princeton, NJ 08540 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 KFKI Central Research Institute for Physics Hungarian Acadamy of Sciences P.O. Box 49 H-1525 Budapest, Hungary LNS Laboratoire National Saturne 91191 Gif-sur-Yvette France LPC-CAEN Laboratoire de Physique Corpusculaire ISMRA Boulevard Marechal Juin 14050 Caen Cedex, France LUIT Department of Mathematical Physics Lund Institute of Technology S-22007 Lund Sweden NSCL National Superconducting Cyclotron Laboratory Michigan State University East Lansing, MI 48824-1321 USA ORNL Physics Division Oak Ridge National Laboratory Oak Ridge, TN 37830 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 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 UUPP Department of Radiation Sciences Uppsala University Box 535, S-751 21 Uppsala Sweden WUSL Dept. of Chemistry and Dept. of Physics Washington University St. Louis, MO 63130