Journal of the Physical Society of Japan

Journal of the Physical Society of Japan, Vol.58 (1989) Supplement

CLUSTER '88
PROCEEDINGS of THE FIFTH INTERNATIONAL CONFERENCE ON
CLUSTERING ASPECTS iN NUCLEAR AND SUBNUCLEAR SYSTEMS

July 25-29, 1988
Kyoto, Japan
Editors: K. IKEDA, K. KATORI, Y. SUZUKI

CONTENTS

Foreword
Editors' Preface
OPENING ADDRESSES
Opening Address
M. KONUMA3
Opening Address
T. MIYAZIMA4
PLENARY SESSIONS
A: Introductory Talk
Cluster Model Study of Nuclei
H. HORIUCHI7
B: Cluster Structure and Molecular States I
New Results on Resonances in Reactions Involving C and N Nuclei
F. HAAS27
Spins and Spin Alignment of Heavy Ion Molecular Resonances
R. W. ZURMÜHLE37
Microscopic Theory of Multi-cluster System
K. KATŌ49
C: Cluster Structure and Molecular States II
Elastic α-particle Scattering and α-cluster Structure in the p- and sd-shell Closure Regions
F. MICHEL65
Relationships between Clustering and Shell Structure in Nuclei and Nuclear Reactions
W. D. M. RAE77
Structure Information from Systematic Study of Reduced Alpha Widths in Light Lanthanide and Light Actinide
K. KATORI, H. MIYATAKE, A. HIGASHI, T. OHSHIMA, A. SHINOHARA, N. IKEDA, S. HATORI, I. KATAYAMA and S. MORINOBU88
D: Microscopic Theory of Cluster Dynamics
A Microscopic Cluster Description of Nuclear Reactions
D. BAYE and P. DESCOUVEMONT103
Dynamics of the Cluster and Collective Degrees of Freedom
G. F. FILIPPOV118
Microscopic Cluster Models versus Symplectic and Shell Models
Y. SUZUKI129
E: Clustering Aspects in Direct Reactions
Elastic Breakup of Light Projectiles for (E/A) ~10 MeV/A
A. C. SHOTTER145
Quasielastic Reactions of Oxygen Isotopes on 208Pb near the Coulomb Barrier
M. A. NAGARAJAN157
Astrophysical Aspects of Direct Reactions with Cluster Nuclei
G. BAUR172
F: Nucleosynthesis and Astrophysics
Nuclear Reactions, Primordial Nucleosynthesis and the Solar Neutrino Problem
S. M. AUSTIN185
Experimental Determination of Reaction Rates in Explosive Hydrogen Burning
P. PARKER196
Microscopic Studies of Astrophysically Important Light Nuclear Reactions
K. LANGANKE208
G: A Variety of Structure Changes and Clustering Aspects
Properties of Light Nuclei Far from Stability
C. DÉTRAZ219
Neutron Rich Clusters and the Dynamics of Fission and Fusion
P. ARMBRUSTER232
Dynamics of Cluster Radioactivities in a Wide Range of Mass Asymmetry
D. N. POENARU and M. IVASCU249
H: Special Session; "What is a Cluster?"
Introductory Remarks
A. ARIMA263
What is a Cluster?
R. R. BETTS264
What is a Cluster in Nuclear System?
K. IKEDA277
Discussions288
Projection Methods in Quantum Field Theory
K. WILDERMUTH291
I: Circus Session; "Dynamics of Di-Nuclear Systems"
Introductory Remarks
W. von OERTZEN299
Nuclear Orbiting
D. SHAPIRA300
Ternary Reactions as a Tool for Studying the Primary Processes in Heavy-ion Collisions
J. WILCZYNSKI312
Spin Alignment and Intermediate Shapes in 12C+12C, 12C+24Mg and 24Mg+24Mg Inelastic Scattering
D. KONNERTH, W. DÜNNWEBER, A. GLAESNER, W. HERING, A. MATTIS, R. RITZKA, A. SUROWIEC, W. TROMBIK, W. ZIPPER, J. GERL, D. HABS, D. SCHWALM, H. J. HENNRICH, V. METAG and R. S. SIMON325
A New Molecular Model for Heavy Ion Resonances
E. UEGAKI and Y. ABE330
Signatures of Nucleon Promotion in Heavy Ion Reactions at Barrier Energies
W. von OERTZEN, H. VOIT and B. IMANISHI338
Final Remarks
W. von OERTZEN344
J: Clustering Phenomena in Medium Energy Nucleus-Nucleus Collisions
Hot Nuclei and Search for Multifragmentation in Medium-energy Heavy-ion Collisions
H. DOUBRE349
Photon and Pion Production in Intermediate Energy Nucleus-nucleus Collisions
P. BRAUN-MUNZINGER362
Current Status of RIKEN Ring Cyclotron Project
M. ISHIHARA369
K: Cluster Structure in Hypernuclei
Clustering Aspect in Hypernuclear Structure
H. BANDŌ379
A Study of Hypernuclei Using the (π+, K+) Reaction
P. H. PILE394
Formation Probabilities of 4ΛH Hyperfragment from Stopped K- on Light Target Nuclei
H. TAMURA, W. BRÜCKNER, H. DÖBBELING, R. S. HAYANO, T. ISHIKAWA, M. IWASAKI, T. MOTOKI, H. OUTA, S. PAUL, B. POVH, A. SAKAGUCHI, H. SAKURAI, R. SCHÜSSLER, E. TAKADA, K. H. TANAKA and T. YAMAZAKI399
L: Clustering Revealed in Hadronic and Electromagnetic Interactions
The (e,e'd) Reaction: Nuclear Structure and Reaction Mechanism Aspects of Cluster Knockout
H. P. BLOK409
Condensation of (e+e-) due to Short-range Non-central Electromagnetic Interaction
C. Y. WONG421
Quadronium: Rosetta Stone for the e+e- Puzzle
J. J. GRIFFIN427
Electron Scattering and the Subnucleonic Structure of Nuclei
I. SICK434
M: Clustering Aspects in Subnuclear Systems
Topological Structure of Hadronic Matter
M. RHO451
Cluster Models and Subnuclear Degrees of Freedom
K. SHIMIZU456
N: Interdisciplinary Session
Static and Dynamic Properties of Microclusters
M. TSUKADA475
On Some Phenomena, where the Concept of Cluster may Have to be Involved
H. MORINAGA491
Muon Catalyzed Fusion and Cluster Physics
M. KAMIMURA493
PARALLEL SESSIONS
Ia: Cluster Decay
Nuclear Structure Data from Charged-particle Decay Spectroscopy: Some Recent Results
E. ROECKL509
α-decays and α-clustering in a Pb Region
S. OKABE516
Alpha-decay and Clustering Correlations in Spherical and Deformed Nuclei
A. INSOLIA, R. J. LIOTTA, P. LOTTI and E. MAGLIONE522
Alpha Decay from Quadrupole-octupole Collective States of Actinide Nuclei
T. OTSUKA and M. SUGITA530
Cluster Emission during Nuclear Fission: One-body Mechanism?
N. CARJAN, K. WEINGARTNER, J. THEOBALD and B. LEROUX538
Ib: Low Energy Nuclear Reactions I
Three-body Molecular Description of the Transfer Reaction
A. V. MATVEENKO545
Alpha-cluster Study by Measurements of Vector Analyzing Power in the (d,6Li) Reaction
T. YAMAYA, O. SATOH, K. TAKIMOTO, H. OKAMURA, S. KATO, Y. TAGISHI, T. SUEHIRO and S. KUBONO553
Roles of Breakup Processes in Light Heavy-ion Scattering
Y. SAKURAGI and Y. HIRABAYASHI560
Three-cluster Effects in Nucleon Induced 9Be-breakup
K. BODEK, J. KRUG, W. LÜBCKE, S. OBERMANNS, H. RÜHL, M. STEINKE, M. STEPHAN, A. SZCZUREK, H. WITALA and D. KAMKE567
Folding Potential Analyses of Elastic and Inelastic α-scattering Processes and of Direct (p,α) and (α,p) Reactions on Light Nuclei
R. NEU, H. ABELE, P. D. EVERSHEIM, F. HINTERBERGER, H. OBERHUMMER, H. JÄNTSCH, Chr. STRIEBEL, G. STAUDT and M. WALZ574
IIa: Molecular Resonances
Quasi-molecular States in sd-shell Nuclei
S. KUBONO, N. IKEDA, T. NOMURA, M. OYAIZU, J. TANAKA, M. H. TANAKA, Y. FUNATSU, H. MIYATAKE, S. KATO, T. YAMAYA and S. OHAMI583
16O+8Be Cluster Structure in 24Mg
B. R. FULTON, S. J. BENNETT, M. FREER, R. D. PAGE, P. J. WOODS, S. C. ALLCOCK, A. E. SMITH, W. D. M. RAE and J. S. LILLEY590
Deep Potential Description of Resonant Structures in the 16O+16O System
Y. KONDŌ, B. A. ROBSON and R. SMITH597
Application of the Algebraic Cluster Model to Light Nuclei
J. CSEH604
IIb-1: Low Energy Nuclear Reactions II
Single-particle Excitations in Heavy-ion Reactions within a Particle-cores Model
B. MILEK and R. REIF613
Nucleus-nucleus Bremsstrahlung Observed in the Spontaneous Fission of 252Cf
J. KASAGI, H. HAMA, K. YOSHIDA, M. SAKURAI and K. ISHII620
Angular Momentum Quasiparticle Approach to Cluster States in Nuclei
C. A. Z. VASCONCELLOS626
IIb-2: Nucleosynthesis and Astrophysics
Levels in 16O Relevant to 12C(α,γ) Helium Burning Studied with 12C(7Li,t) at E(7Li)=70 and 101 MeV
F. D. BECCHETTI, M. L. DOWELL, P. M. LISTER, J. W. JÄNECKE, A. NADASEN and J. S. WINFIELD635
Energy Dependence of Astrophysical S-factor for Radiative Charged Particle Reactions
T. KAJINO, G. F. BERTSCH and F. C. BARKER639
IIIa: Cluster Structure
Clusters of Clusters: Nearly Degenerate Many-particle, Many-hole Deformed States of Nuclei
L. ZAMICK, D. BERDICHEVSKY and D. C. ZHENG649
Clustering and Beta-delayed Particle Emission in Mass 9
D. MIKOLAS, B. A. BROWN and L. ZHAO656
Cluster States Populated in Multinucleon Transfer Reactions Induced by 40 MeV/u 12C beam
L. KRAUS, A. BOUCENNA, I. LINCK, B. LOTT, R. REBMEISTER, N. SCHULZ, J. C. SENS, M. C. MERMAZ, B. BERTHIER, R. LUCAS, J. GASTEBOIS, A. GILLIBERT, A. MICZAIKA, E. TOMASI-GUSTAFSSON and C. GRUNBERG663
The α-backbending and Nuclear Deformation
Gu JINNAN669
IIIb: Medium-Energy Nucleus-Nucleus Collisions
Disassembly of Nuclei in the Framework of a Landau-Vlasov Picture and a Restructuring Aggregation Model
S. LERAY, C. NGÔ, M. E. SPINA, B. REMAUD, F. SÉBILLE and C. GRÉGOIRE679
Complex Fragment Production at Intermediate Energies
G. RACITI, G. IMMÉ, Y. CASSAGNOU, R. DAYRAS, R. LEGRAIN, A. D. PANAGIOTOU, N. PAPADAKIS, E. C. POLLACCO, L. RODRIGUEZ, F. SAINT-LAURENT, M. G. SAINT-LAURENT, N. SAUNIER and N. VODINAS686
Decay of Particle Unbound Fragmentation Products in 14N+natAg Reactions at 35 MeV/nucleon
T. MURAKAMI, T. K. NAYAK, W. G. LYNCH, K. SWARTZ, D. J. FIELDS, C. K. GELBKE, Y. D. KIM, K. KWIATKOWSKI, J. POCHODZALLA, M. B. TSANG and F. ZHU693
Deduction of Average Channel Spin from Angular Distributions of Fission Fragments
M. OGIHARA, H. FUJIWARA, S. C. JEONG, W. GALSTER, S. M. LEE, T. MIKUMO, Y. NAGASHIMA, H. IKEZOE, K. IDENO, Y. SUGIYAMA and Y. TOMITA699
High Energy γ Production and the Nucleus-nucleus Potential in the Intermediate Energy Heavy Ion Collision
K. YABANA and H. HORIUCHI705
IIIc: Intermediate Energy Nuclear Physics and Related Topics
Quark Antisymmetrization Effects in Nuclear Physics
P. GONZÁLEZ and V. VENTO715
Quark Effects on the A=3 Electromagnetic Energy Difference
K. MALTMAN720
The Baryon-baryon Interaction in the SU(3) Skyrme Model
H. KANADA, T. OTOFUJI, T. KURIHARA, S. SAITO, M. YASUNO and R. SEKI726
Cluster Model Analysis of the 9ΛBe Hypernucleus
T. YAMADA, K. IKEDA, H. BANDŌ and T. MOTOBA733
Some Clustering Aspects in Collisions of 400 GeV/c Protons and 4.5 A GeV/c 24Mg Nuclei with Emulsion
A. EL-NAGHY, A. T. BARANIK, S. RAMADAN and S. S. ABDEL-AZIZ741
Charge-sign-clustering Observed in High-multiplicity, High-energy Heavy-ion Collisions
Y. TAKAHASHI, J. C. GREGORY, T. HAYASHI, J. D. DERRICKSON, P. B. EBY, W. F. FOUNTAIN, T. A. PARNELL, R. E. ROBERTS, T. TABUKI, J. W. WATTS, S. NAGAMIYA, S. DAKE, M. FUKI, A. IYONO, T. OGATA, O. MIYAMURA and T. TOMINAGA746
SUMMARY SESSION
O: Summary Talks
Summary Talk—Theoretical Aspects of Clustering in Nuclei
P. E. HODGSON755
Summary Talk
R. H. SIEMSSEN768
INVITED PAPERS NOT ORALLY PRESENTED
Multicluster Dynamic Model for Light Nuclei and Its Verification in Strong and Electromagnetic Interactions
V. I. KUKULIN777
Measurement and Analysis of Polarization Observables in the 3He(d,p)4He Reaction
M. BITTCHER, W. GRÜEBLER, V. KÖNIG, P. A. SCHMELZBACH and B. VUARIDEL790
List of Contributed Papers797
List of Participants814
Author Index830