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Dive into the research topics where Hans D. Betz is active.

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Featured researches published by Hans D. Betz.


IEEE Transactions on Nuclear Science | 1972

The Average Charge of Heavy Ions Stripped in Gases and Solids

Hans D. Betz

A review is presented of extensive experimental data on average equilibrium charge states, q, of heavy ions penetrating through gaseous and solid media at energies up to 180 MeV. The usefulness of various semi-empirical methods to predict q is critically evaluated, and it is discussed to what extent these methods can be used for extrapolations into ranges where no measurements are available. Existing theoretical models are examined in detail and it is shown that the criterion by Bohr and Lamb is well suited to predict q with good accuracy in gaseous targets. A brief discussion is presented concerning the influence of the density of stripper targets on q.


Physical Review Letters | 1970

CHARGE STATES AND EXCITATION OF FAST HEAVY IONS PASSING THROUGH SOLIDS: A NEW MODEL FOR THE DENSITY EFFECT.

Hans D. Betz; L. Grodzins


Physical Review Letters | 1972

Evidence for radiative electron capture by fast, highly stripped heavy ions.

Herbert W. Schnopper; Hans D. Betz; John Paul Delvaille; Kenneth Kalata; A. R. Sohval; K. W. Jones; H. E. Wegner


Physical Review A | 1973

EQUILIBRIUM CHARGE-STATE DISTRIBUTIONS OF 2- TO 15-MeV TANTALUM AND URANIUM IONS STRIPPED IN GASES AND SOLIDS.

Andrew B. Wittkower; Hans D. Betz


Physical Review Letters | 1970

INFLUENCE OF IONIC EXCITATION IN HEAVY-ION CHARGE-CHANGING CROSS SECTIONS.

G. Ryding; Hans D. Betz; A. Wittkower


Physical Review A | 1971

Cross Sections for Electron Capture and Loss by Fast Bromine and Iodine Ions Traversing Light Gases

Hans D. Betz; G. Ryding; A. B. Wittkower


Physical Review A | 1972

Charge-Changing Cross Sections of 5-25-MeV Iodine Ions in Hydrogen and Oxygen

Hans D. Betz; A. B. Wittkower


Physical Review Letters | 1971

DETERMINATION OF LIFETIMES FOR MULTIPLY CHARGED HEAVY IONS EXCITED IN COLLISIONS WITH LIGHT GASES.

Hans D. Betz; L. Grodzins; A. Wittkower; G. Ryding


Physical Review Letters | 1970

Effects of the Density of Gaseous Targets on Electron Capture and Loss by Fast Heavy Ions

Hans D. Betz


IEEE Transactions on Nuclear Science | 1971

Review of Stripping of Heavy Ions

Hans D. Betz

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Herbert W. Schnopper

Smithsonian Astrophysical Observatory

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John Paul Delvaille

Smithsonian Astrophysical Observatory

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Kenneth Kalata

Massachusetts Institute of Technology

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L. Grodzins

Massachusetts Institute of Technology

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