Geant4 Cross Reference |
1 ---------------------------------------------- 2 ---------------------------------------------- 3 4 ========================================= 5 Geant4 - Microbeam example 6 ========================================= 7 8 README file 9 -------------------- 10 11 CORRESPONDING AUTHO 12 13 S. Incerti (a, *) et al. 14 a. Centre d'Etudes Nucleaires de Bordeaux-Grad 15 (CENBG), IN2P3 / CNRS / Bordeaux 1 University, 16 * e-mail:incerti@cenbg.in2p3.fr 17 18 ---->0. INTRODUCTION. 19 20 The microbeam example simulates the cellular i 21 installed on the AIFIRA electrostatic accelera 22 CENBG, Bordeaux-Gradignan, France. For more in 23 please visit : 24 http://www.cenbg.in2p3.fr/ 25 26 ---->1. GEOMETRY SET-UP. 27 28 The elements simulated are: 29 30 1. A switching dipole magnet with fringing fie 31 beam generated by the electrostatic accelerato 32 oriented at 10 degrees from the main beam dire 33 34 2. A circular collimator object, defining the 35 microbeam line entrance; 36 37 3. A quadrupole based magnetic symmetric focus 38 transverse demagnifications of 10. Fringe fiel 39 model. 40 41 4. A dedicated cellular irradiation chamber se 42 43 5. A set of horizontal and vertical electrosta 44 be turned on or off to deflect the beam on tar 45 46 6. A realistic human keratinocyte voxellized c 47 microscopy and taking into account realistic n 48 compositions. 49 50 51 ---->2. EXPERIMENTAL SET-UP. 52 53 The beam is defined at the microbeam line entr 54 5 micrometer in diameter. The beam is then foc 55 quadruplet of quadrupoles in the so-called Dym 56 The beam is sent to the irradiation chamber wh 57 isobutane gas detector for counting purpose be 58 culture foil of the target cell which is immer 59 enclosed within a dish. 60 61 A cell is placed on the polypropylene foil and 62 microbeam. The cell is represented through a 3 63 obtained from confocal microscopy. In the prov 64 are : 359 nm (X) x 359 nm (Y) x 163 nm (Z) 65 66 The primary particle beam parameters are gener 67 measurements performed on the AIFIRA facility. 68 cellular irradiation are 3 MeV alpha particles 69 70 More details on the experimental setup and its 71 be found in the following papers: 72 73 - IN SILICO NANODOSIMETRY: NEW INSIGHTS INTO N 74 RADIATION 75 By Z. Kuncic, H. L. Byrne, A. L. McNamara, S. 76 Publsihed in Comp. Math. Meth. Med. (2012) 147 77 78 - MONTE CARLO MICRODOSIMETRY FOR TARGETED IRRA 79 A MICROBEAM FACILITY 80 By S. Incerti, H. Seznec, M. Simon, Ph. Barber 81 Published in Rad. Prot. Dos. 133, 1 (2009) 2-1 82 83 - MONTE CARLO SIMULATION OF THE CENBG MICROBEA 84 GEANT4 TOOLKIT 85 By S. Incerti, Q. Zhang, F. Andersson, Ph. Mor 86 M.J. Merchant, D.T. Nguyen, C. Habchi, T. Pout 87 Published in Nucl. Instrum. and Meth. B 260 (2 88 89 - A COMPARISON OF CELLULAR IRRADIATION TECHNIQ 90 THE GEANT4 MONTE CARLO SIMULATION TOOLKIT 91 By S. Incerti, N. Gault, C. Habchi, J.L.. Lefa 92 T. Pouthier, H. Seznec. Dec 2006. 3pp. 93 Published in Rad. Prot. Dos. 122, 1-4, (2006) 94 95 - GEANT4 SIMULATION OF THE NEW CENBG MICRO AND 96 By S. Incerti, C. Habchi, Ph. Moretto, J. Oliv 97 Published in Nucl.Instrum.Meth.B249:738-742, 2 98 99 - A COMPARISON OF RAY-TRACING SOFTWARE FOR THE 100 SYSTEMS 101 By S. Incerti et al., 102 Published in Nucl.Instrum.Meth.B231:76-85, 200 103 104 - DEVELOPMENT OF A FOCUSED CHARGED PARTICLE MI 105 INDIVIDUAL CELLS. 106 By Ph. Barberet, A. Balana, S. Incerti, C. Mic 107 Th. Pouthier. Dec 2004. 6pp. 108 Published in Rev.Sci.Instrum.76:015101, 2005 109 110 - SIMULATION OF CELLULAR IRRADIATION WITH THE 111 GEANT4. 112 By S. Incerti, Ph. Barberet, R. Villeneuve, P. 113 C. Michelet-Habchi, Ph. Moretto, D.T. Nguyen, 114 Published in IEEE Trans.Nucl.Sci.51:1395-1401, 115 116 - SIMULATION OF ION PROPAGATION IN THE MICROBE 117 GEANT4. 118 By S. Incerti, Ph. Barberet, B. Courtois, C. M 119 Ph. Moretto. Sep 2003. 120 Published in Nucl.Instrum.Meth.B210:92-97, 200 121 122 123 ---->3 VISUALIZATION 124 125 The user can visualize the targeted cell thank 126 127 ---->4. HOW TO RUN THE EXAMPLE 128 129 The code should be compiled with cmake. 130 131 Run the example from your build directory with 132 ./microbeam microbeam.mac 133 134 or in interactive mode: 135 ./microbeam 136 137 The example works in MT mode. 138 139 ---->5. PHYSICS 140 141 Livermore physics list is used by default. 142 143 ---->6. SIMULATION OUTPUT AND RESULT ANALYZIS 144 145 The output results consist in a microbeam.root 146 containing several ntuples: 147 148 * total deposited dose in the cell nucleus and 149 cytoplasm by each incident alpha particle; 150 151 * average on the whole run of the dose deposit 152 Voxel per incident alpha particle; 153 154 * final stopping (x,y,z) position of the incid 155 alpha particle within the irradiated medium (c 156 157 * stopping power dE/dx of the incident 158 alpha particle just before penetrating into th 159 160 * beam transverse position distribution (X and 161 just before penetrating into the targeted cell 162 163 These results can be easily analyzed using for 164 file plot.C; to do so : 165 * be sure to have ROOT installed on your machi 166 * be sure to be in the directory where the out 167 * do: root plot.C 168 * or under your ROOT session, type in : .X plo 169 170 ---------------------------------------------- 171 172 Should you have any enquiry, please do not hes 173 incerti@cenbg.in2p3.fr