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Calibration of solid state nuclear track detector CR-39 was carried out with monoenergetic protons from 2×1.7 MV Tandem accelerator and 400 kV Cockcroft Walton accelerator in Beijing Normal University. To ensure the protons to have monoenergetic energy and reduce the track density to 106 cm-2, two different methods were adopted. On the tandem accelerator a slit plus rotating target plate were used to achieve the required low density irradiation while a high voltage pulse generator with pulse duration of 100 ns was used on the Cockcroft Walton accelerator. The calibration shows that the registration threshold energy of protons in CR-39 is about or a little lower than 20 keV. The response curve of track diameter vs. etching time and proton energy for protons with energy from 20 keV to 1020 keV can be used to determine the number , energy and angular distribution of the protons produced by nuclear reaction and laser plasma acceleration. Etching dynamics of high energy protons (320—1020 keV) was studied. The theoretical curve is consistent with experimental data. This method of controling the proton intensity employed in this paper could also be used in similar accelerator calibration.
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Keywords:
- monoenergetic proton /
- solid state nuclear track detector /
- CR-39
[1] ［1］Fews A P, Norreys P A, Beg F N, Bell A R, Dangor A E, Danson C N, Lee P, Rose S J 1994 Phys. Rev. Lett. 73 1801
[2] ［2］Gerard A Mourou, Toshiki Tajima, Sergei V. Bulanov 2006 Reviews of Modern Physics 78 309
[3] ［3］Schwoerer H, Magill J, Beleites B 2006 Lasers and Nuclei, Applications of Ultrahigh Intensity Lasers in Nuclear Science (Berlin Heidelberg: Springer)
[4] ［4］Cross W G 1986 Nuclear Tracks 12 533
[5] ［5］Cross W G, Arneja A, Ing H 1986 Nuclear Tracks 12 649
[6] ［6］Szydlowski A, Sadowski M, Czyzewski T, Jaskóla M, Korman A 1999 Nucl. Instrum. Meth. B 149 113
[7] ［7］Sadowski M, Al-Mashhadani E M, Szydlowski A, Czyzewski T, Glowacka L, Jaskóla M, Rolfs C, Wielunski M 1995 Radiat. Meas. 25 175
[8] ［8］Seguin F H, Frenje J A, Li C K, Hicks D G, Kurebayashi S, Rygg J R, Schwartz B E, Petrasso R D, Roberts S, Soures J M, Meyerhofer D D, Sangster T C, Knauer J P, Sorce C, Glebov V Y, Stoeckl C, Phillips T W, Leeper R J, Fletcher K, Padalino S 2003 Rev. Sci. Instrum. 74 975
[9] ［9］Bernardi L, Cecchi A, Gori C, Lucarelli F, Renzi R 1991 Nucl. Instrum. Meth. B 53 61
[10] ］Baiocchi P, Cecchini S, Dekhissi H, Garutti V, Giacomelli G, Giani G G, Katsavounidis E. Iori G, Patrizii L, Popa V, Serra P, Togo V, Valdre' U, Vilela E 1995 Radiat. Meas. 25 145
[11] ］Wang G F, Dong P 2002 Journal of Beijing Normal University 38 628 (in Chinese) ［王广甫、 董平 2002 北京师范大学学报 38 628］
[12] ］Luo Y S, Zhou Y, Wang X G 2002 Nuclear Techniques 25 541 (in Chinese) ［骆亿生、 周郁、 王兴功 2002 核技术 25 541］
[13] ］Paretzke H G, Benton E V, Henke R P 1973 Nucl. Instrum. Meth. 108 73
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[1] ［1］Fews A P, Norreys P A, Beg F N, Bell A R, Dangor A E, Danson C N, Lee P, Rose S J 1994 Phys. Rev. Lett. 73 1801
[2] ［2］Gerard A Mourou, Toshiki Tajima, Sergei V. Bulanov 2006 Reviews of Modern Physics 78 309
[3] ［3］Schwoerer H, Magill J, Beleites B 2006 Lasers and Nuclei, Applications of Ultrahigh Intensity Lasers in Nuclear Science (Berlin Heidelberg: Springer)
[4] ［4］Cross W G 1986 Nuclear Tracks 12 533
[5] ［5］Cross W G, Arneja A, Ing H 1986 Nuclear Tracks 12 649
[6] ［6］Szydlowski A, Sadowski M, Czyzewski T, Jaskóla M, Korman A 1999 Nucl. Instrum. Meth. B 149 113
[7] ［7］Sadowski M, Al-Mashhadani E M, Szydlowski A, Czyzewski T, Glowacka L, Jaskóla M, Rolfs C, Wielunski M 1995 Radiat. Meas. 25 175
[8] ［8］Seguin F H, Frenje J A, Li C K, Hicks D G, Kurebayashi S, Rygg J R, Schwartz B E, Petrasso R D, Roberts S, Soures J M, Meyerhofer D D, Sangster T C, Knauer J P, Sorce C, Glebov V Y, Stoeckl C, Phillips T W, Leeper R J, Fletcher K, Padalino S 2003 Rev. Sci. Instrum. 74 975
[9] ［9］Bernardi L, Cecchi A, Gori C, Lucarelli F, Renzi R 1991 Nucl. Instrum. Meth. B 53 61
[10] ］Baiocchi P, Cecchini S, Dekhissi H, Garutti V, Giacomelli G, Giani G G, Katsavounidis E. Iori G, Patrizii L, Popa V, Serra P, Togo V, Valdre' U, Vilela E 1995 Radiat. Meas. 25 145
[11] ］Wang G F, Dong P 2002 Journal of Beijing Normal University 38 628 (in Chinese) ［王广甫、 董平 2002 北京师范大学学报 38 628］
[12] ］Luo Y S, Zhou Y, Wang X G 2002 Nuclear Techniques 25 541 (in Chinese) ［骆亿生、 周郁、 王兴功 2002 核技术 25 541］
[13] ］Paretzke H G, Benton E V, Henke R P 1973 Nucl. Instrum. Meth. 108 73
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