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  • 1
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    An introduction to using the FORTRAN programs provided with Computational Nuclear Physics 1 Nuclear Structure (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The authors of this paper have provided a set of ready-to-run FORTRAN programs that should be useful in the field of theoretical nuclear physics. The purpose of this document is to provide a simple synopsis of the programs and their use. A separate section is devoted to each program set and includes: abstract; files; compiling, linking, and running; obtaining results; and a tutorial.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Electromagnetic Processes in Nucleus-Nucleus Collisions Relating to Space Radiation Research; 18 p
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  • 2
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    Stopping powers and cross sections due to two-photon processes in relativistic nucleus-nucleus collision (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The radiation dose received from high energy galactic cosmic rays (GCR) is a limiting factor in the design of long duration space flights and the building of lunar and martian habitats. It is of vital importance to have an accurate understanding of the interactions of GCR in order to assess the radiation environment that the astronauts will be exposed to. Although previous studies have concentrated on the strong interaction process in GCR, there are also very large effects due to electromagnetic (EM) interactions. In this report we describe our first efforts at understanding these EM production processes due to two-photon collisions. More specifically, we shall consider particle production processes in relativistic heavy ion collisions (RHICs) through two-photon exchange.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Electromagnetic Processes in Nucleus-Nucleus Collisions Relating to Space Radiation Research; 59 p
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  • 3
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    An optical model description of momentum transfer in heavy ion collisions (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: An optical model description of momentum transfer in relativistic heavy ion collisions, based upon composite particle multiple scattering theory, is presented. The imaginary component of the complex momentum transfer, which comes from the absorptive part of the optical potential, is identified as the longitudinal momentum downshift of the projectile. Predictions of fragment momentum distribution observables are made and compared with experimental data. Use of the model as a tool for estimating collision impact parameters is discussed.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Washington State Univ., Photonuclear Absorption Cross Sections; 21 p
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  • 4
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    The invariance of classical electromagnetism under Charge-conjugation, Parity and Time-reversal (CPT) transformations (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The invariance of classical electromagnetism under charge-conjugation, parity, and time-reversal (CPT) is studied by considering the motion of a charged particle in electric and magnetic fields. Upon applying CPT transformations to various physical quantities and noting that the motion still behaves physically demonstrates invariance.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Photonuclear Absorption Cross Sections 14 p(SEE N89-29159 23-72); Photonuclear Absorpt
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  • 5
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    Nucleon emission via electromagnetic excitation in relativistic nucleus-nucleus collisions: Re-analysis of the Weizsacker-Williams method (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Previous analyses of the comparison of Weizsacker-Williams (WW) theory to experiment for nucleon emission via electromagnetic (EM) excitations in nucleus-nucleus collisions were not definitive because of different assumptions concerning the value of the minimum impact parameter. This situation is corrected by providing criteria that allows definitive statements to be made concerning agreement or disagreement between WW theory and experiment.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Photonuclear Absorption Cross Sections 24 p(SEE N89-29159 23-72); Photonuclear Absorpt
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  • 6
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    Electric quadrupole excitations in the interactions of Y-89 with relativistic nuclei (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The first complete calculations of electric quadrupole excitations in relativistic nucleus-nucleus collisions are presented herein. Neutron emission from Y-89 is studied and quadrupole effects are found to be a significant fraction of the cross section.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Washington State Univ., Photonuclear Absorption Cross Sections; 7 p
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  • 7
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    Electric quadrupole excitations in relativistic nucleus-nucleus collisions (1989)
    In:  CASI
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    Publication Date: 2013-08-31
    Description: Calculations are presented for electric quadrupole excitations in relativistic nucleus-nucleus collisions. The theoretical results are compared to an extensive data set and it is found that electric quadrupole effects provide substantial corrections to cross sections, especially for heavier nuclei.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Photonuclear Absorption Cross Sections 16 p(SEE N89-29159 23-72); Photonuclear Absorpt
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  • 8
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    Charge Dependence and Electric Quadrupole Effects on Single-Nucleon Removal in Relativistic and Intermediate Energy Nuclear Collisions (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Single nucleon removal in relativistic and intermediate energy nucleus-nucleus collisions is studied using a generalization of Weizsacker-Williams theory that treats each electromagnetic multipole separately. Calculations are presented for electric dipole and quadrupole excitations and incorporate a realistic minimum impact parameter, Coulomb recoil corrections, and the uncertainties in the input photonuclear data. Discrepancies are discussed. The maximum quadrupole effect to be observed in future experiments is estimated and also an analysis of the charge dependence of the electromagnetic cross sections down to energies as low as 100 MeV/nucleon is made.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Electromagnetic Processes in Nucleus-Nucleus Collisions Relating to Space Radiation Research; 4 p
    Format: text
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  • 9
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    Two Neutron Removal in Relativistic Nucleus-Nucleus Reactions (1992)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: Significant discrepancies between theory and experiment have previously been noted for double neutron removal via electromagnetic processes in relativistic nucleus-nucleus collisions. The present work examines the cause of these discrepancies and systematically investigates whether the problem might be due to electromagnetic theory, nuclear contributions, or an underestimate of experimental error. Using cross section systematics from other reactions it is found that the discrepancies can be resolved in a plausible manner.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Electromagnetic Processes in Nucleus-Nucleus Collisions Relating to Space Radiation Research; 3 p
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  • 10
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    Higgs-Boson Production in Nucleus-Nucleus Collisions (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Cross section calculations are presented for the production of intermediate-mass Higgs bosons produced in ultrarelativistic nucleus-nucleus collisions via two photon fusion. The calculations are performed in position space using Baur's method for folding together the Weizsacker-Williams virtual-photon spectra of the two colliding nuclei. It is found that two photon fusion in nucleus-nucleus collisions is a plausible way of finding intermediate-mass Higgs bosons at the Superconducting Super Collider or the CERN Large Hadron Collider.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Electromagnetic Processes in Nucleus-Nucleus Collisions Relating to Space Radiation Research; 3 p
    Format: text
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