scholarly journals At the downstream of the RF cavity of the electron storage ring there is emission of abnormal ultra-high energy electrons with energy up to 105 times of the beam energy

Author(s):  
Dapeng Qian

Abstract After considering Heisenberg's uncertainty principle, the mass-speed relationship of special relativity i.e. the Einstein-Lorentz mass formula can be extended to a more complete equation, which predicts that abnormal ultra-high energy electrons will be generated with a small probability when the electron beam passes through an accelerating electric field. The author used the accumulating detection method of a large number of events to test at the electron storage ring of BEPCII, of which results show that under the beam energy of 2GeV there is emission of abnormal ultra-high energy electrons with the highest energy reaching 400TeV at downstream of the RF cavity. For this reason, it is recommended that particle physicists conduct more experiments to fully verify this previously unknown phenomenon and further discover new physics.

2021 ◽  
Author(s):  
Dapeng Qian

Abstract In a new version of special relativity that absorbed the uncertainty principle, the Einstein-Lorentz mass formula proved to be a special case of a more universal equation. The new equation indicates that there is a “high speed but low mass” weak effect in particle motion, which will cause the generation of abnormal ultra-high energy electrons with a small probability when an electron beam passes through an accelerating electric field. The author used the method of long-times accumulation detection to test it on the BEPCII, which results show that there is indeed emission of abnormal electrons with energy up to 105 times of the beam energy at the downstream of the RF cavity of the electron storage ring. Therefor, it is suggested to use the detector with an online real-time display function, such as the “Shashlyk calorimeter”, to detect the single event of ultra-high energy electron, so to fully verify this previously unknown phenomenon and further discover new physics.


Author(s):  
Gaurang B. Yodh ◽  
B. L. Dingus ◽  
J. A. Goodman ◽  
D. Krakauer ◽  
C. Y. Chang ◽  
...  

2012 ◽  
Vol 27 (28) ◽  
pp. 1250160 ◽  
Author(s):  
RAHUL SRIVASTAVA

Quantum fields written on noncommutative spacetime (Groenewold–Moyal plane) obey twisted commutation relations. In this paper we show that these twisted commutation relations result in Hanbury–Brown Twiss (HBT) correlations that are distinct from that for ordinary bosonic or fermionic fields, and hence can provide useful information about underlying noncommutative nature of spacetime. The deviation from usual bosonic/fermionic statistics becomes pronounced at high energies, suggesting that a natural place is to look at Ultra High Energy Cosmic Rays (UHECRs). Since the HBT correlations are sensitive only to the statistics of the particles, observations done with UHECRs are capable of providing unambiguous signatures of noncommutativity, without any detailed knowledge of the mechanism and source of origin of UHECRs.


Author(s):  
J. Orloff

Low voltage SEM is an increasingly important technique for examining specimens which can be damaged by high energy electrons or which are insulators. It is particularly useful for the study of semiconductor devices and a number of specialized methods have been developed. These include voltage contrast SEM, e-beam induced conductivity, stroboscopic SEM, inspection and line width measurement. Low energy is necessary because many circuit components, especially MOS devices are easily damaged. Moreover, insulating components of circuits, including passivation layers, dictate beam energies ≲ 1 keV in order to avoid electrical charging.The current density and brightness of a thermionic cathode are proportional to the voltage of the cathode with respect to the specimen; consequently the current which can be focused into a given beam diameter decreases with beam energy. In contrast, the current density and brightness of a field emission cathode depend on the electric field at the emitter surface, so that by the appropriate choice of gun geometry, high brightness can be attained at low beam energy.


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