| [1] | PTCOG homepage. Available online: http://www.ptcog.ch/[2016-07-04]. |
| [2] | ROBERT C, DEDES G, BATTISTONI G, et al. Phys Med Biol, 2013, 58: 2879. |
| [3] | BOHLEN T T, DOSANJH M, FERRARI A, et al. Int J Radiat Biol, 2012, 88: 176. |
| [4] | FOSSATI P, MOLINELLI S, MATSUFUJI N, et al. Phys Med Biol, 2012, 57: 7543. |
| [5] | GUDOWSKA I, SOBOLEVSKY N, ANDREO P, et al. Phys Med Biol, 2004, 49: 1933. |
| [6] | GREGG W. KINNEY M C. MCNPX User's Manual, Ver-sion 2.7.0, Los Alamos National Laboratory report[M]. USA,Los Alamos National Laboratory report, 2011: 11-113. |
| [7] | LEE C C, LEE Y J, TUNG C J, et al. Radiation Physics and Chemistry, 2014, 95: 302. |
| [8] | CHAO T C, WEI S C, WU S W, et al. Radiation Physics and Chemistry, 2015, 116: 237. |
| [9] | MOWLAVI A A, FORNASIE M R, DENARO M D. Applied Radiation and Isotopes, 2011, 69(1): 122. |
| [10] | DIOSZEGI I, RUSEK A, DANE B R, et al. AIP Conference Proceedings, 2011, 1336: 406. |
| [11] | HARALD P, JIANG H Y, PARODI K, et al. Phys Med Biol,2008, 53: 4825. |