Results 221 to 230 of about 3,230 (268)
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Cyclotrons in nuclear medicine
The British Journal of Radiology, 1970Abstract The essential features of some modern medical cyclotrons, including their installation and starring requirements, are discussed. The more important physical and chemical properties of the radionuclides currently produced by these machines are presented.
H I, Glass, D J, Silvester
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Harmonics of Cyclotron and Cyclotron-Phonon Resonances in Semiconductors with Superlattice
physica status solidi (b), 1985AbstractThe harmonics of cyclotron and cyclotron–phonon resonances (CR and CPR, respectively) in semiconductors with a superlattice (SL) in the presence of strong magnetic field, H, arranged parallel to SL axis, are studied based on quantum kinetic equation. The peculiarities of CR and CPR reveal themselves most explicitly with electromagnetic wave E(t)
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Operation of the 184-In. Cyclotron
Review of Scientific Instruments, 1949The operation of the 184-in. synchro-cyclotron is reviewed in terms of the theory as developed by Bohm and Foldy. Certain relevant data on the properties of the magnet and rotating condenser are also presented.
L R, HENRICH, D C, SEWELL, J, VALE
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Annals of Nuclear Medicine, 2009
Positron emission tomography (PET) has been well established noninvasive imaging technique for diagnosis, staging/ restaging and monitoring of therapy response in oncology. Molecular imaging using positron emitting radionuclides kinetics provides quantitative in vivo assessment of biological and physiological processes involved in the earlier stages of
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Positron emission tomography (PET) has been well established noninvasive imaging technique for diagnosis, staging/ restaging and monitoring of therapy response in oncology. Molecular imaging using positron emitting radionuclides kinetics provides quantitative in vivo assessment of biological and physiological processes involved in the earlier stages of
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The Design of Cyclotron Oscillators
Review of Scientific Instruments, 1951The procedure used to design the 60-in. cyclotron oscillator at Berkeley is described. The procedure consists in assuming the cyclotron and associated circuits to be oscillating on one of normal modes of vibration of the electrical circuit and adjusting the circuit so that the proper voltages to drive the oscillator tube are obtained.
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Electron cyclotron heating as inverse cyclotron radiation
The Physics of Fluids, 1973Microwave heating of a plasma is developed as an inverse emission process. Heating rates based on this theory show close agreement with those based on particle motion or conductivity. Thus, well-known emission theories provide a basis for determining heating rates.
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Cyclotron Resonance Spectroscopy
2012We give an overview of the basic theory of cyclotron resonance, discuss some experimental aspects of cyclotron resonance spectroscopy in high, mostly pulsed magnetic fields, and finally discuss some recent cyclotron resonance experiments on various semiconductor materials.
Drachenko, O., Helm, M.
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Fusion Science and Technology, 2004
An introduction is given to plasma heating and current drive with electromagnetic waves in the electron cyclotron range of frequencies, with emphasis on application in tokamak plasmas. Propagation and absorption of these waves is generally well described by linear theory, a short overview of which is given.
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An introduction is given to plasma heating and current drive with electromagnetic waves in the electron cyclotron range of frequencies, with emphasis on application in tokamak plasmas. Propagation and absorption of these waves is generally well described by linear theory, a short overview of which is given.
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