@article{oai:repo.qst.go.jp:00048039,
 author = {金崎, 真聡 and 神野, 智史 and 榊, 泰直 and A, Faenov and T, Pikuz and 西内, 満美子 and 桐山, 博光 and 神門, 正城 and 杉山, 僚 and 近藤, 公伯 and 松井, 隆太郎 and 岸本, 泰明 and 森島, 邦博 and 渡辺, 幸信 and C, Scullion and A., G. Smyth and A., Alejo and D., Doria and M., Borghesi and 小田, 啓二 and 山内, 知也 and 福田, 祐仁 and 榊 泰直 and 西内 満美子 and 桐山 博光 and 神門 正城 and 杉山 僚 and 近藤 公伯 and 福田 祐仁},
 journal = {Radiation Measurements},
 month = {Jul},
 note = {An inhomogeneous spatial distribution of laser accelerated carbon/oxygen ions produced via the hydrodynamic ambipolar expansion of CO_2 clusters has been measured by using CR-39 detectors. An inhomogeneous etch pits spatial distribution has appeared on the etched CR-39 detector installed on the laser propagation direction, while homogeneous ones are appeared on those installed at 45 and 90 from the laser propagation direction. From the range of ions in CR-39 obtained by using the multi-step etching technique, the averaged energies of carbon/oxygen ions for all directions are determined as 0.78 ± 0.09 MeV/n. The number of ions in the laser propagation direction is about 1.5 times larger than those in other directions. The inhomogeneous etch pits spatial distribution in the laser propagation direction could originate from an ion beam collimation and modulation by the effect of electromagnetic structures created in the laser plasma.},
 pages = {12--14},
 title = {Observation of the inhomogeneous spatial distribution of MeV ions accelerated by the hydrodynamic ambipolar expansion of clusters},
 volume = {83},
 year = {2015}
}