Physics – Plasma Physics
Scientific paper
2011-01-14
Nucl. Instrum. Methods A 637 (2011) 164
Physics
Plasma Physics
17 pages, 4 figures
Scientific paper
10.1016/j.nima.2011.02.043
We investigate the feasibility of using laser accelerated protons/deuterons for positron emission tomography (PET) isotope production by means of the nuclear reactions $^{11}$B($p,n$)$^{11}$C and $^{10}$B($d,n$)$^{11}$C. The second reaction has a positive Q-value and no energy threshold. One can, therefore, make use of the lower energy part of the laser-generated deuterons, which includes the majority of the accelerated deuterons. The $^{11}$C produced from the reaction $^{10}$B($d,n$)$^{11}$C is estimated to be 7.4 $\times$ 10$^{9}$ per laser-shot at the Titan laser at Lawrence Livermore National Laboratory. Meanwhile a high-repetition table top laser irradiation is estimated to generate 3.5 $\times$ 10$^7$ $^{11}$C per shot from the same reaction. In terms of the $^{11}$C activity, it is about 2 $\times$ 10$^4$ Bq per shot. If this laser delivers kHz, the activity is integrated to 1 GBq after 3 minutes. The number is sufficient for the practical application in medical imaging for PET.
Bonasera Aldo
Kimura Sachie
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