Several spallation reactions of uranium-238 plus helium-4
University of California Radiation Laboratory, 1958 - Science - 32 pages
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12 M hydrochloric a,an a,xn alpha group aluminum foils ammonium hydroxide approximately bombardment Chemical yields chloric acid chloride compound system compound-nucleus reactions Coulomb barrier counts per minute Crocker Laboratory cyclotron decay curve determined Direct-interaction mechanisms Donovan emitted errors excitation energy Experimental cross sections experiments ferrous Fission and Spallation fission competition gamma analysis gamma radiation gamma ray geometry half lives heavy elements heavy-element region HELIUM ION ENERGY helium-ion beam higher energies hydrazine hydrochloric acid hydrofluoric acid hydroxide was added hydroxide was dissolved incident helium ion interactions ION ENERGY Mev Jackson model lanthanum fluoride precipitate lanthanum hydroxide microtarget millibarn neptunium and plutonium neutron emission neutron-binding energies nuclear surface nuclear temperature number of atoms oxidized peak photopeak Phys0 Rev plating probability procedure protons purification ray per disintegration result Ritsema Seaborg sodium iodide sodium iodide crystal spallation products SPALLATION REACTIONS target nucleus Uranium foils Uranium Isotopes uranium samples uranium tetrafluoride zirconium phosphate precipitate