[1] Korea Univ, Dept Phys, Korea Detector Lab, Seoul 136701, South Korea
[2] Konkuk Univ, Inst Adv Phys, Seoul, South Korea
[3] Wonkwang Univ, Dept Phys, Iksan, South Korea
[4] Chonnam Natl Univ, Dept Phys, Kwangju, South Korea
[5] Cheju Natl Univ, Dept Phys, Cheju, South Korea
[6] Chungbuk Natl Univ, Dept Phys, Chungjoo, South Korea
[7] Seoul Natl Univ Educ, Dept Phys, Seoul, South Korea
[8] Seonam Univ, Dept Phys, Namwon, South Korea
[9] Kangwon Natl Univ, Dept Phys, Chunchon, South Korea
[10] Dongshin Univ, Dept Elect Engn, Naju, South Korea