2026-09-21T01:00:46Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/504922026-06-05T20:27:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131024
Jacquelyn C. Yanch.
Folkert, Michael R. (Michael Ryan), 1975-
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
2010-01-07T20:45:29Z
2010-01-07T20:45:29Z
1998
1998
http://hdl.handle.net/1721.1/50492
42254993
Thesis (S.B. and S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1998.
Includes bibliographical references (leaves 60-63).
A study was performed to develop a Monte Carlo method of modeling neutron shielding of proton therapy facilities in a complex, realistic environment. The bulk neutron shielding of the Northeast Proton Therapy Center (Massachusetts General Hospital, Boston, MA) was used as the basis of the design work. A geometrical model of the facility was simulated using the LAHET Code System, a set of Monte Carlo codes developed at Los Alamos National Laboratory. Additional software tools for reading and analyzing the simulation data that the model provides have been developed and tested. In order to verify the computer simulations, neutron detection and data acquisition systems have been assembled, modified, and thoroughly tested in order to monitor the neutron dose equivalent during proton beam operation at several locations on a continuous basis. Preliminary tests show that the geometry and physics models proposed in this work are valid.
by Michael R. Folkert.
S.B.
S.M.
66 leaves
eng
Massachusetts Institute of Technology
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http://dspace.mit.edu/handle/1721.1/7582
Nuclear Engineering
Monte Carlo simulation of neutron shielding for proton therapy facilities
Thesis
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Publication
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<Abstract>A study was performed to develop a Monte Carlo method of modeling neutron shielding of proton therapy facilities in a complex, realistic environment. The bulk neutron shielding of the Northeast Proton Therapy Center (Massachusetts General Hospital, Boston, MA) was used as the basis of the design work. A geometrical model of the facility was simulated using the LAHET Code System, a set of Monte Carlo codes developed at Los Alamos National Laboratory. Additional software tools for reading and analyzing the simulation data that the model provides have been developed and tested. In order to verify the computer simulations, neutron detection and data acquisition systems have been assembled, modified, and thoroughly tested in order to monitor the neutron dose equivalent during proton beam operation at several locations on a continuous basis. Preliminary tests show that the geometry and physics models proposed in this work are valid.</Abstract>
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