Über die Abhängigkeit der relativen biologischen Wirksamkeit hochenergetischer Bremsstrahlen von der durchstrahlten Materieschicht / Dependence of the Relative Biological Efficiency of High Energy Bremssstrahlen on the Depth in a Phantom

1969 ◽  
Vol 24 (12) ◽  
pp. 1633-1640 ◽  
Author(s):  
F. Stähler ◽  
F. Zywietz ◽  
W. Ewert ◽  
H. A. Künkel
Keyword(s):  
Energy Transfer ◽  
Vicia Faba ◽  
Linear Energy Transfer ◽  
Experimental Error ◽  
Nuclear Reactions ◽  
High Energy ◽  
Biological Efficiency ◽  
Heavy Particles ◽  
Order Of Magnitude

The Relative Biological Efficiency (RBE) of 6-GeV-bremsstrahlung on 3-days-old seedlings of Vicia faba was investigated with the Deutsches ElektronenSynchrotron. Dosimetry was carried out by means of the butanol-sensitized FeII/FeIII-reaction. In a Lucite-phantom we observed an increase of the RBE from 0,65 at the surface to values of about 2 at a depth of 40 cm. As changes of that order of magnitude are doubtless beyond the limits of the maximum experimental error we suppose that production of heavy particles by nuclear reactions such as (γ, n) or (γ, p) in deeper layers of matter might cause an increase of the linear energy transfer of the beam.

scholarly journals Моделирование реакции низкобарьерного диода Мотта на воздействие тяжелых заряженных частиц космического пространства

2021 ◽  
Vol 47 (6) ◽  
pp. 51
Author(s):  
А.С. Пузанов ◽  
В.В. Бибикова ◽  
И.Ю. Забавичев ◽  
Е.С. Оболенская ◽  
Е.А. Тарасова ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Laser Radiation ◽  
Theoretical Analysis ◽  
Linear Energy Transfer ◽  
Optical Radiation ◽  
Charged Particles ◽  
Pulsed Laser ◽  
High Energy ◽  
Pulsed Laser Radiation ◽  
Ionization Processes

A theoretical analysis of transient ionization processes occurring in a low-barrier GaAs Mott diode under the influence of space radiation high energy charged particles and simulating pulsed laser radiation is carried out. The diode response to the As+ ion action with an energy of 200 MeV, corresponding to a linear energy transfer of 26 MeV cm2/mg, is compared with the response to the femtosecond pulses optical radiation action of various durations (10-1000 fs) and photon energies exceeding the GaAs band gap.

Relationship between Linear Energy Transfer and Behavioral Toxicity in Rats Following Exposure to Protons and Heavy Particles

1991 ◽  
Vol 128 (2) ◽  
pp. 216 ◽  
Author(s):  
Bernard M. Rabin ◽  
Walter A. Hunt ◽  
James A. Joseph ◽  
Thomas K. Dalton ◽  
Sathasiva B. Kandasamy
Keyword(s):  
Energy Transfer ◽  
Linear Energy Transfer ◽  
Heavy Particles ◽  
Behavioral Toxicity
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