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    高師機構典藏 NKNUIR > 理學院 > 物理學系 > 期刊論文 >  Item 987654321/10572
    Please use this identifier to cite or link to this item: http://ir.nknu.edu.tw/ir/handle/987654321/10572

    題名: EVIDENCE FOR B0 ---> PI0 PI0
    Authors: 郭榮升
    K. Abe;Rurng-Sheng Kuo
    貢獻者: 物理系
    Date: 2003-12-24
    Issue Date: 2010-11-11 09:06:10 (UTC+8)
    Abstract: We report evidence for the decay B0→π0π0. The analysis is based on a data sample of 152×106 BB¯¯¯ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB e+e− storage ring. We detect a signal for B0→π0π0 with a significance of 3.4 standard deviations, and measure the branching fraction to be [1.7±0.6(stat)±0.2(syst)]×10−6.
    關聯: Phys. Rev. Lett. / Vol. 91, Iss. 26, 261801
    Appears in Collections:[物理學系] 期刊論文
    [物理系] 郭榮升

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