Ebook: Weak and Electromagnetic Interactions in Nuclei: Proceedings of the International Symposium, Heidelberg, July 1–5, 1986

Nuclear physics is presently experiencing a thrust towards fundamental phy­ sics questions. Low-energy experiments help in testing beyond today's stan­ dard models of particle physics. The search for finite neutrino masses and neutrino oscillations, for proton decay, rare and forbidden muon and pion de­ cays, for an electric dipole moment of the neutron denote some of the efforts to test today's theories of grand unification (GUTs, SUSYs, Superstrings, ... ) complementary to the search for new particles and symmetries in high-energy experiments. The close connections between the laws of microphysics, astrophysics and cosmology open further perspectives. This concerns, to mention some of them, properties of exotic nuclei and nuclear matter, and star evolution; the neutrino and the dark matter in the universe; relations between grand unification and evolution of the early universe. The International Symposium on Weak and Electromagnetic Interactions in Nuclei (W.E.LN. 1986)' held in Heidelberg 1-5 July 1986, in conjunction with the 600th anniversary of the University of Heidelberg, brought together experts in the fields of nuclear and particle physics, astrophysics and cosmol­ ogy.

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Content:
Front Matter....Pages I-XXXI
Front Matter....Pages 1-1
Nuclear Moments: A Test of the Shell Model?....Pages 2-9
Nuclear Isoscalar Magnetic Moments and Gauge Invariance....Pages 10-17
Shell-Model Analyses of Weak and Electromagnetic Data: The Interplay of Many-Body and Single-Nucleonic Features....Pages 18-24
Global Set of Quadrupole Deformation Parameters for Even-Even Nuclei....Pages 25-30
Core Polarization for Magnetic Transitions (?=1,2,4)....Pages 31-38
Evidence for Three Microscopically Different Kinds of E1 Transitions in Lead-Region Nuclei....Pages 39-41
Electromagnetic Transitions in Octupolly Deformed Nuclei....Pages 42-44
Observation of Full Sets of Coexisting Intruder Excitations in the N=58 Isotones and Isotopes of Zr: Evidence for Alpha Correlated Excitations?....Pages 45-46
On the ?-Transition of 205T1 to 205Pb....Pages 47-48
Study of the 1S Component of the Internal Bremsstrahlung Accompanying the (1u)-Forbidden Electron-Capture Decay of 41Ca....Pages 49-51
Continuity-Equation Constraint and the Non-Uniqueness of the Vector Potential Decompositions....Pages 52-54
Nuclear Clustering Effects in Colliding N=Z and N?Z Nuclei....Pages 55-56
Cluster Distortion Effects in Electron Scattering from 6Li....Pages 57-58
The Effect of Hidden Colour on the Helium Isotropes....Pages 59-60
Electromagnetic Structure of the Deuteron in the Skyrme Model....Pages 61-62
The Electromagnetic Radii of the Deuteron....Pages 63-64
Asymmetry and Angular Distribution of Deuteron Photodisintegration in the 20–60 MeV Range....Pages 65-66
Measurement of the Natural Widths of Thulium Atomic Levels in the Decay of 169Yb....Pages 67-68
Measurements of Proton Strength Functions and Comparisons with Theory....Pages 69-70
Front Matter....Pages 71-73
Low Energy Photofission of Actinides....Pages 1-1
Effects of the Vacuum-Polarization on Sub-Coulomb 12C-12C-Scattering....Pages 74-76
Electromagnetic Properties of Nuclei at High Spins....Pages 77-78
Shape Coexistence and Discrete Superdeformed States up to 60? in 152Dy....Pages 79-87
Evolution of Nuclear Structure with Spin and Temperature....Pages 88-97
Nuclear Rotation in the N?Z?36 Region....Pages 98-105
Cooling of Hot Rotating Nuclei by Electric and Magnetic Dipole Radiation....Pages 106-110
Energy Correlations of ?-Rays from Superdeformed States in Z=66 and 68 Isotopes; Multipolarities in 152Dy....Pages 111-115
High Spin States Around A~150....Pages 116-121
The Nucleus 136Sm and the Transition to a Strong Deformed Region at N=74–76....Pages 122-126
Excitation of Stretched Particle-Hole States in Closed Shell Nuclei....Pages 127-128
Photon Decay of Giant Resonances....Pages 129-131
Coincidence Electron Scattering (e, e?c) in the Giant Resonance Region of 28Si....Pages 132-140
(e,e?f)-Coincidence Experiments on Uranium Isotopes....Pages 141-143
The Isovector E2 Resonance in 90Y Observed in Neutron Radiative Capture....Pages 144-145
Giant Dipole Resonances in Excited Nuclei....Pages 146-147
Giant Resonances on Excited States in Deformed Nuclei....Pages 148-158
Direct-Semidirect Proton Capture in the GDR Region....Pages 159-164
Dispersion Relation Analysis of Photonuclear Data....Pages 165-166
Search for Superheavy Elements — A Status Report....Pages 167-169
Front Matter....Pages 170-178
Heavy Elements — Experiments on Synthesis and Decay....Pages 1-1
What is the Source of the Narrow Positron Peaks Observed in Superheavy Collision Systems?....Pages 179-185
New Information on Nuclear Structure in the Cd-In-Sn Region from Laser Spectroscopy and the Question of Core Polarization Contribution to Nuclear Radii....Pages 186-199
Beta Decay of Neutron-Rich Transuranic Nuclei....Pages 200-206
Studies of Heavy-Ion Produced Proton-Rich and Neutron-Rich Nuclei....Pages 207-212
Study of Properties of Nuclei far from Stability at GANIL....Pages 213-218
Beta Decay of Twelve Light Neutron-Rich Isotopes from 17C to 40S....Pages 219-224
Beta Decay far from Stability and the Decay Heat of Nuclear Reactors....Pages 225-229
GT Beta Decay of 29Na — Comparison with Shell Model Predictions....Pages 230-238
The Renormalization of the Axial-Vector Strength in Nuclei: Experiments on Superallowed Beta-Decay....Pages 239-241
The ?g9/2 ? ?g7/2 Gamow-Teller Beta Decay of Even Nuclei Near 100Sn....Pages 242-243
Experimental and Shell-Model Study of the Beta Decay of 43Ti....Pages 244-247
Energies for Superallowed ft-Values: 42Sc(? +) 42Ca....Pages 248-249
Discovery of New Fission Product Activities in the A=110–118 Mass Region....Pages 250-252
?-Excitations in Nuclei....Pages 253-254
Spin-Isospin Excitation by the (p,p’) Reaction....Pages 255-257
Spin-Isospin Excitations in Nuclei by the (p,n) Reaction....Pages 258-259
Front Matter....Pages 260-267
Microscopic Description of (p, n) Reactions at Intermediate Energies....Pages 268-272
Charge-Exchange Resonances in Deformed Nuclei....Pages 273-279
Quenching of Gamow-Teller Strength and a Microscopic Derivation of the Effective ?33-Nucleon Interaction....Pages 280-286
Symmetry Violation and Interplay between Giant Resonances and Background in Finite Nuclei....Pages 1-1
Properties of a New Magnetic Dipole Mode Discovered in Low Energy Electron Scattering....Pages 287-290
Mixed-Symmetry States in Proton-Neutron Systems....Pages 291-294
Proton-Neutron Symmetry among Bosons....Pages 295-300
F-Spin and Collective M1 Transitions....Pages 301-307
Microscopic Calculations for Low-Lying M1-Collective States in Deformed Nuclei....Pages 308-310
Low-Frequency Neutron-Proton Vibrations....Pages 311-320
The Convection Current for the 0+ ?1+ Excitations in the Even-Even f7/2 Shell Nuclei....Pages 321-325
Gamow-Teller Strength from Spin-Isospin Saturated Nuclei....Pages 326-331
Calculation of the Gamow-Teller Resonance in Nuclear ?-Decay: The Cases 34Ar and 35Ar....Pages 332-336
Nuclear Spin-Isospin Excitations Studied by Photopion Productions....Pages 337-338
Front Matter....Pages 339-340
The Experimental Status of the EMC Effect....Pages 341-343
QCD and Fermi Gas Mode! Interpretations of the E. M. C. Effect....Pages 344-346
Massive Lepton Pair Production — the Drell-Yan Process — with Nuclear Targets....Pages 347-349
The EMC Effect and the Swelling of Nucleons in Nuclei....Pages 350-351
Front Matter....Pages 352-354
The Colour Conductivity Model and the Shadow Phenomenon in Nuclei....Pages 355-355
Nuclear Effects in Deep-Inelastic Lepton-Nucleus Scattering....Pages 356-364
Electromagnetic Response in Nuclei in Terms of the Quark Structure....Pages 365-373
Many Quark Effects in Electron-Nucleus Scattering....Pages 374-381
Medium Effects on Nucleon Size....Pages 382-392
Spin-Isospin Response in Nuclei....Pages 355-355
On the Longitudinal Charge Response in the Quasielastic Peak Region....Pages 393-399
Semi-Classical Calculation of the Nuclear Spin-Isospin Response Functions....Pages 400-403
Nucleon Form Factors from Elastic Scattering of Polarized Leptons (e,?,?) from Polarized Nucleons....Pages 404-409
Y-Scaling, FSI and the Choice of a Scaling Variable....Pages 410-414
The Inclusive (?,? + ?-) Reaction in Nuclei as a Test of the Pion Dispersion Relation in Nuclear Matter....Pages 415-422
Front Matter....Pages 423-426
Status of Electroweak Theory for Heavy Quark Decays and CP Violation....Pages 427-430
Experimental Determination of the Kobayashi-Maskawa Matrix Elements....Pages 431-434
Massive Neutrinos and Gauge Theories....Pages 435-440
Constraints on the Left-Right Symmetric Models of Weak Interactions....Pages 441-443
Determination of the Electro-Weak Mixing Angle in Neutrino Interactions....Pages 444-447
Neutrinoless Double ?-Decay and Lepton Flavor Violation....Pages 449-449
The Beta Decay of the Neutron....Pages 450-470
The Neutron Lifetime....Pages 471-480
Front Matter....Pages 481-492
Search for Anomalous “V+A” Currents in Nuclear Beta Decay....Pages 493-504
Weak Interaction Studies of Oriented Nuclei Far from Stability....Pages 505-509
Beta-Decay Asymmetry Measurements of the Mirror Nuclei....Pages 510-515
Recent Calculations of Isospin-Mixing Corrections to the Fermi Matrix Element in Superallowed ?-Decay and the Determination of the Weak Vector Coupling Constant....Pages 516-522
Axial-Vector Weak Coupling Constant gA and Quark Confinement in Nucleons....Pages 523-527
Exchange Currents and Configuration Mixing Effects in the 160(0+)-16N(0-) Transitions....Pages 528-533
Measurements of the Longitudinal Electron Polarization in Nuclear Beta-Decay....Pages 449-449
A Universal Source of Polarized Cold and Ultracold Neutrons at the LNPI WWR-M Reactor....Pages 534-539
Semileptonic Hyperon Decays....Pages 540-542
Electroweak Properties of the Baryons in QCD....Pages 543-544
The Weak Decay of Hypernuclei....Pages 545-547
Theoretical Aspects of the Weak Decay of Hypernuclei....Pages 548-552
Heavy Hypernuclei....Pages 553-556
Electromagnetic Transitions in Hypernuclei....Pages 557-558
Nuclear Probes of Fundamental Symmetries....Pages 559-561
Parity Violation in Atoms....Pages 562-567
Charge Symmetry and Charge Independence....Pages 568-570
Electric Dipole Moment of 3He....Pages 571-575
A Proposal for a High Sensitivity Search for T-Violation in Slow Neutron Resonances....Pages 576-582
P-Violating Effects in the Integral Gamma-Ray Spectrum of n?-Reactions on Nuclei....Pages 583-586
Front Matter....Pages 587-591
Some Macroscopic Effects of P- and T-Violation in Atoms....Pages 592-602
Measurement of the Parity Violation in Quasi-Elastic Electroweak Electron-Scattering from 9Be....Pages 603-618
Strong Interaction Effects in Parity Violation in p-p Elastic Scattering....Pages 619-629
Progress Report on an Experiment to Measure ?I=0 Parity Mixing in 14N....Pages 630-632
Double Beta Decay and Nuclear Structure....Pages 633-634
Neutrinoless Double Beta Decay and a Limit on the Right-Handed Leptonic Current....Pages 635-637
Double Beta Decay: Experiments and New Techniques....Pages 449-449
Ultralow Background Searches for ??-Decay, Cold Dark Matter and Solar Axions....Pages 638-639
Limits on Lepton Number Non-Conservation Studied by Double Beta Decays of 76Ge and 100Mo*....Pages 640-641
New Limits on Neutrino Masses and Right-Handed Currents from Double Beta Decay....Pages 642-645
An Experimental Search for Double Beta Decay in 82Se....Pages 646-647
Neutrinoless Double Beta Decay of 76Ge. Preliminary Results of an Experiment in the Frejus Tunnel....Pages 648-649
Searching for ?? Decay of 150Nd. Next Step....Pages 650-662
New Possibilities in a Double Beta Decay Experiment Using Enriched 76Ge Inside of an Active Si(Li) Shielding....Pages 663-667
Solar Neutrinos: Theory....Pages 668-669
Neutrino Oscillations in Matter....Pages 670-675
The Signal from the Gallium Solar Neutrino Detector: Implications for Neutrino Oscillations and Solar Models....Pages 676-680
The Effective Interaction Dependence of the 8B Neutrino Capture Rate of the Ga Solar Neutrino Detector....Pages 681-685
Front Matter....Pages 686-691
Microscopic Calculation of Neutrino Capture Rates in 69,71Ga and the Detection of Solar and Galactic Neutrinos....Pages 692-695
Gamow-Teller Strength Functions via (p,n) and the Ga Solar Neutrino Detector....Pages 696-700
The Sudbury D2O Neutrino Detector....Pages 701-702
Low Energy Neutrino Detection with the Mont Blanc LSD Experiment....Pages 703-704
The Solar Neutrino Problem as a Probe for Nuclear Astrophysics....Pages 705-709
Exchange Currents in the Neutrino-Deuteron Reaction and the Solar Neutrino Problem....Pages 710-717
Neutrino Oscillation Experiments at Nuclear Power Reactors....Pages 718-722
The Bugey Neutrino Oscillation Experiment1 Status and a New Neutrino Detector....Pages 723-726
Reactor Core Antineutrino Spectra....Pages 449-449
Reactor Antineutrinos and Underground Detectors....Pages 727-732
Present Knowledge of the Lepton Mixing Matrix from Neutrino Oscillation Experiments....Pages 733-736
Mixing Among Three States: A Practical Approximation and Its Application to Neutrino Oscillations....Pages 737-740
An Upper Limit for the Electron Antineutrino Mass....Pages 741-744
Measurement of the Mass of the Electron Neutrino Using Electron Capture in 163Ho....Pages 745-746
Study of Rare and Forbidden ?- and ?-Decays....Pages 747-749
Search for Muon — to — Electron Conversion in Titanium....Pages 750-754
New Results for Rare Muon Decays....Pages 755-758
Front Matter....Pages 759-763
Complete Determination of the Charged Leptonic Weak Interaction in Muon Decay....Pages 764-765
Muon Capture in Nuclei and Determination of Weak Coupling Constants....Pages 766-769
Radiative Muon Capture and the Induced Pseudoscalar Coupling in Nuclei....Pages 770-775
Possibilities to Measure Electroweak Effects in Muonic Atoms....Pages 776-777
Heavy Muonic Atoms and Muon Capture....Pages 778-781
A Measurement of the Muon Capture Rate in Liquid Deuterium by the Lifetime Technique....Pages 782-785
Search for the Lambshift in Muonic Helium at Low Helium Pressures....Pages 786-788
Nucleon Decay Experiments....Pages 789-797
Neutron-Antineutron Oscillation Experiments....Pages 798-802
Search for a Neutron Electric Dipole Moment....Pages 803-808
An Experimental Search for the Neutron Electric Dipole Moment....Pages 809-811
Search for Short-Lived Axions Emitted from Neutron Capture on Protons....Pages 449-449
Search for Short-Lived Axions in a Nuclear Isoscalar Transition....Pages 812-815
The Present Status of Proton Decay and Baryon Number Nonconservation....Pages 816-821
Quasi Standard Model Physics....Pages 822-830
Hierarchy and Mass Spectrum from Minimal Supergravity....Pages 831-832
Superstrings....Pages 833-838
Baryon and Lepton Number Violation in Superstring Motivated Models....Pages 839-840
Expectations for Neutrino Mass and Baryon Number Violation in Superstring Models....Pages 841-843
Front Matter....Pages 844-845
Supernovae and High Density Nuclear Matter....Pages 846-854
Electron Capture in Stellar Collapse....Pages 855-860
Neutron Star Formation and the Weak Interaction....Pages 861-865
Baryon and Lepton Number Violation in Astrophysics....Pages 866-870
The Stellar Beta-Decay Rate of 79Se....Pages 871-874
Coulomb Dissociation as a Source of Information on Radiative Capture Processes of Astrophysical Interest....Pages 875-878
Competition of Neutron Capture and Beta Decay at the 85Kr and 151Sm Branchings, a Means to Estimate the s-Process Pulse Conditions....Pages 879-890
Neutron Capture Cross Sections for 86Sr and 87Sr at Stellar Temperatures....Pages 891-900
Laboratory Determination of the Half-Life of 187Re, a Nuclide of Cosmological Interest....Pages 901-906
Interpretation of the Solar 48Ca/46Ca Abundance Ratio and the Correlated Ca-Ti-Cr Isotopic Anomalies in Inclusions of the Allende Meteorite....Pages 907-918
The Inflationary Universe: Progress and Problems....Pages 919-926
The Age of the Universe in Inflationary Cosmology....Pages 927-935
Constraints on the Age of the Universe from Globular Clusters and the Cosmic Expansion Rate....Pages 937-937
Evidence for a Nonvanishing Energy Density of the Vacuum or Cosmological Constant....Pages 938-949
Weak Interaction and the Large Scale Structure of the Universe....Pages 950-959
Front Matter....Pages 960-968
Summary....Pages 969-976
Front Matter....Pages 977-979
Large Scale Computing in Theoretical Physics: Example QCD....Pages 980-981
Remarks on the History of the University of Heidelberg....Pages 982-983
Six Hundred Years of Physics at Heidelberg....Pages 984-985
Back Matter....Pages 986-986
....Pages 987-990