scholarly journals A Trochoidal Monochromator to Measure Electron Beam Energy Distribution in Axial Magnetic Field

1995 ◽  
Vol 05 (C6) ◽  
pp. C6-89-C6-92
Author(s):  
D. Guyomarc'h ◽  
J. M. Layet

The obtained values of most probable energy and practical range have been compared to values calculated according to the formula proposed by the internationally recognized documents. The presented results of the study are focused on the issue of the influence of electron beam energy spread on the depth dose distribution and practical range of electron beam in the irradiated material. The computational experiments have been performed using the Monte-Carlo simulation method for modeling the electron beam energy spectra and depth dose distributions of electrons in aluminum target. Obtained values of most probable energy Ep and practical range Rp have been compared to the values calculated according to formula proposed by the internationally recognized report. The value of a practical range of electrons Rp strongly depends on electron beam energy spread, even in case when value of most probable energy Ep of electrons in the beam is unchanged. Results of computer experiments show that in case of a large energy spread, and presence of asymmetry of electron energy distribution, the electrons energy can’t be determined properly by empirical formulas included to the international standards.


1998 ◽  
Vol 5 (3) ◽  
pp. 437-439 ◽  
Author(s):  
S. Sugiyama ◽  
H. Ohgaki ◽  
K. Yamada ◽  
T. Mikado ◽  
M. Koike ◽  
...  

A superconducting wiggler has been successfully installed at the ETL 800 MeV electron storage ring facility (TERAS). The operation of the wiggler at magnetic field strengths of 5 T with electron beam energy of 750 MeV has been accomplished. The wiggler has been designed and constructed to produce synchrotron radiation with critical photon energy around 3 keV for scientific, industrial and medical applications. We report here experiments that demonstrate the possibility of stable operation of a superconducting wiggler in a small storage ring.


1979 ◽  
Vol 40 (C7) ◽  
pp. C7-777-C7-778
Author(s):  
G. Fournier ◽  
J. Bonnet ◽  
J. Bridet ◽  
J. Fort ◽  
D. Pigache

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