1928
DOI: 10.1007/bf01327817
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Atomtr�mmer, reflektierte ?-Teilchen und durch ?-Strahlen erregte R�ntgenstrahlen

Abstract: Zur Bestimmung yon Ausbeuten bei der Atomzertriimmerung wurden Versuche angestellt, bei welchen Polonium als a-Strahlenquelle und ein mit H-Strahlen geeiehter Spitzenz~hler zum Nachweis der Atomtriimmer diente. Es zeigte sich, dab bei a-Strahlenbombardement aufler den Atomtriimmern und reftektierten a-Teilchen noch die eharakteristisehea RSntgenstrahlen der betreffenden Substanz sieh bemerkbar machen kSnnen. Die praktisehe Aussehaltung dieser RSntgenstrahlen gelingt dutch passende Wahl der Gasfiillung des Z~hl… Show more

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Cited by 23 publications
(38 citation statements)
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“…leading to a robust linear behavior for each isotopic chain [247] which is illustrated in figure 32, showing the logarithmic decay time as a function of the range R, which is proportional to the velocity and therefore the kinetic energy of the α particle. The Q 1 2 a dependence of the half-life was first explained with the tunneling of the α particle through the nuclear potential as the inverse process of α-decay in 1929 by Gamow [248], analyzing the experimental findings for αdecay from various emitting sources being absorbed by different light nuclei [249,250]. The Q α is itself a function of the mass and charge of the emitting nucleus.…”
Section: Accessible Processesmentioning
confidence: 99%
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“…leading to a robust linear behavior for each isotopic chain [247] which is illustrated in figure 32, showing the logarithmic decay time as a function of the range R, which is proportional to the velocity and therefore the kinetic energy of the α particle. The Q 1 2 a dependence of the half-life was first explained with the tunneling of the α particle through the nuclear potential as the inverse process of α-decay in 1929 by Gamow [248], analyzing the experimental findings for αdecay from various emitting sources being absorbed by different light nuclei [249,250]. The Q α is itself a function of the mass and charge of the emitting nucleus.…”
Section: Accessible Processesmentioning
confidence: 99%
“…Other examples for such an isomer-g.s. lifetime inversion are the neutron deficient 250 No [293] and 254 Rf [312].…”
Section: Features To Be Investigatedmentioning
confidence: 99%
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“…As Rutherford wrote in 1925, 'we could observe few, if any, protons, when the bombarding alpha particle had a range less than about 5 cm' [12, p 493], a result preventing RaF ( 210 Po) from being an alpha particle source for disintegration purposes. This matter was finally settled in 1928, when Bothe and Fränz [13] conclusively demonstrated in Berlin that the RaF ( 210 Po) alpha particles did indeed produce artificial disintegrations despite their very low energies [2, p 574]. This outcome had as a consequence that the rapid change active deposit alpha particles were gradually abandoned as projectiles of choice.…”
Section: Raf Alpha Particles ( 210 Po)mentioning
confidence: 99%