The proton decay of radioactive nuclei

Флеров, Г.Н.; Karnaukhov, V.A.; Ter-Akop'yan, G.M.; Petrov, L.A.; Subbotin, V. G.

doi:10.1016/0029-5582(64)90010-0

Cited by 25 publications

(10 citation statements)

References 11 publications

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“…Figures 3 and 4 show two examples of delayed-proton spectra obtained following bombardment of nickel with 130 MeV Ne20 ions (37,38) and of aluminum with 80 MeV protons (35). As an example of the information obtainable with more refined techniques, Figure Sa shows a Si 2 5 proton spectrum from (27) and Figure5b (p. 16) gives the Al20Jevel scheme based on it.…”

Section: Delayed-proton Emissionmentioning

confidence: 99%

“…Oxygen as in (28), an internal cyclotron beam (37,38) was used. The activity ob served was attributed to one of the three isotopes: Ne17, Mg20, or Mg21 (28, 37, 3S).…”

Section: Delayed-proton Emissionmentioning

confidence: 99%

“…The possibility of proton emission following super allowed (3+ decay as well, was even considered as a necessary condition for observation of delayed protons (20). Another extreme and evidently un warranted point of view was expressed (37,38): " .. . in no one of the ob served cases of delayed proton emission was a superallowed 13+-transition to a proton-unstable level displayed.…”

Section: Mg24 + Pmentioning

confidence: 99%

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1966

Annu. Rev. Nucl. Sci.

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Reactions (6) was published in more detail (9). Papers (7, 8) were discussed at the eighteenth Congress of the International Union of Pure and Applied Chemistry in Montreal (August 1961) (10). Different laboratories in the Soviet Union, Canada, and the United States initiated experiments that resulted in the discovery in 1962 of delayed-proton emission [Karnaukhov,12)], and in the first identification of an emit ter of delayed protons (Si26) in 1963 [Barton & McPherson (13)]. However, before describing delayed-proton emission further, let us briefly consider certain data concerning the decay of neutron-deficient nuclei. ON GENERAL DECAY CHARACTERISTICS FOR NEUTRON-DEFICIENT ISOTOPESAlong with proton and two-proton radioactivity, iJI" decay and, at Z >50, a decay are characteristic of highly neutron-deficient isotopes. Predictions of the properties of such nuclei are necessary for pre-orientation of experi ments on production of neutron-deficient species, and interpretation of the results obtained .. Direct and accurate evaluation of mass defects and decay energies becomes possible when there is sufficient information on the neutron excessive mirror nuclei or on excitation energies of various isospin states of nuclei for a given isobaric multiplet. First evaluations of this kind were made by Dzhelepov (5) and Baz ( 14). Later several simple relations that appeared valid for many new neutron-deficient nuclei were obtained and were used in experiments described below. For example, the relation

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Section: Delayed-proton Emissionmentioning

confidence: 99%

“…Oxygen as in (28), an internal cyclotron beam (37,38) was used. The activity ob served was attributed to one of the three isotopes: Ne17, Mg20, or Mg21 (28, 37, 3S).…”

Section: Delayed-proton Emissionmentioning

confidence: 99%

Section: Mg24 + Pmentioning

confidence: 99%

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1966

Annu. Rev. Nucl. Sci.

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“…The observed angular and energy distributions lead naturally to the several classes we will use (2,3). Figure 1 shows angular and energy distributions for 4He, characteristic of light evaporated particles (15).…”

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confidence: 96%

“…• 5551 280 283 288 290 290 291 291 293 296 297 299 306 309 311 314 315 316 317 317 318 318 321 325 INTRODUCTION Reactions between complex nuclei (Z 2: 2) have been studied for about thirty years (1)(2)(3)(4)(5). Experiments have been performed with projectiles as massive as 40 Ar, and the study of reactions initiated by even heavier pro jectiles (Kr, Xe, etc) is now beginning (6, 7).…”

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confidence: 99%