H. Murakawa, T. Ueda, T. Yoshida, K. Sugimoto, H. Asano, N. Takenaka, K. Mochiki, H. Iikura, R. Yasuda and M. Matsubayashi
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detector 605 ( 1 ): 127 - 130 , 2009