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Premise in Cheops Pyramid Discovered with Geant4 Developed with Participation of TSU Scientists
January 31, 2018 08:51


In 2017, muon tomography of Egyptian pyramids revealed a previously unknown premise to the Scan Pyramids international team.

Eugene Chernyaev, one of the developers of the Geant4 software used for this analysis, is a researcher at the Laboratory of Experimental Physics of High Energies at the Tomsk State University, the press service of the TSU reports.

The lurking room is located above the large gallery that leads to the Pharaoh Chamber. Its length is not less than 30 meters, and height is about 15 meters. The purpose of this premise is yet to be figured out. Since the 19th century, this is the first major discovery in the pyramid of Cheops, the only one of the Seven World Wonders that has survived till nowadays. Besides, it happened without any excavations.

“The Scan Pyramids team applied Geant4 tools, which is not surprising,” - Evgeny Chernyaev commented. – “Firstly, for now Geant4 is the most advanced, and therefore the most in-demand software for simulating the passage of particles through matter. Secondly, it is in the public domain, and any user can download it from the site geant4.cern.ch and install it on their computer”.

Geant4 makes it possible, in particular, to simulate the passage of cosmic particles through the pyramid mass. Cosmic muons are secondary particles that are generated as a result of the collision of cosmic rays with atoms and molecules of the earth's atmosphere. Muons easily permeate stone blocks and are therefore suitable for muon tomography of such massive objects as pyramids. If the object has a void, then there will be a significant increase in the flux of muons in its direction.

"We have been developing the Geant4 program for more than 20 years, and the scope of this software is constantly expanding. This is not only high-energy physics, but also medicine, biology, chemistry, space, and astrophysics. For example, in Japan it was used online during an operation for ray treatment of a patient’s cancer tumor. The total number of references to the key publication on Geant4 has long exceeded 10,000, and it is constantly growing”, - Yevgeny Chernyaev said.

It should be noted that the scientists of the Tomsk State University use the muon tomography technology to create the newest detectors for the ATLAS collaboration at the Large Hadron Collider (LHC) at CERN. In addition, the staff of the Laboratory of High Energy Experimental Physics lecture and conduct practical classes on Geant4 within the campus courses of TSU.

Campus courses are training courses in various fields, which can be selected for study by students of any faculties / courses / educational programs.

During the training at the TSU, a student has the opportunity to create their own individual educational trajectory, which gives a chance to get knowledge in those very areas that are important and interesting for the student.

The Tomsk State University is a full member of the ATLAS and TOTEM collaborations of the Large Hadron Collider at CERN.

The Tomsk State University team takes part in the analysis of the LHC data for the study of the leptonic decays of the Higgs boson and the modernization of the ATLAS muon spectrometer. In the TOTEM experiment, the representatives of the TSU are engaged in modeling silicone and diamond detectors to study inelastic collisions of protons at the LHC.




Author: Vera Ivanova

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