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Bhardwaj, V.*; 谷田 聖; Belle Collaboration*; 他191名*
Physical Review D, 99(11), p.111101_1 - 111101_8, 2019/06
被引用回数:8 パーセンタイル:43.72(Astronomy & Astrophysics)We report a search for and
in
decays. We set an upper limit of
and
at 90% confidence level. We also measure
at 90% confidence level. The results reported here are obtained from
events collected at the
resonance with the Belle detector at the KEKB asymmetric-energy
collider.
Bhardwaj, V.*; 谷田 聖; Belle Collaboration*; 他197名*
Physical Review D, 93(5), p.052016_1 - 052016_13, 2016/03
被引用回数:20 パーセンタイル:66.26(Astronomy & Astrophysics)We report inclusive and exclusive measurements for and
production in
decays. We measure
and
. For the first time,
production in exclusive
decays in the modes
and
has been observed, along with first evidence for the
decay mode. For
production, we report the first observation in the
,
and
decay modes. Using these decay modes, we observe a difference in the production mechanism of
in comparison to
in
decays. In addition, we report searches for
and
in the
decay mode. The reported results use
events collected at the
resonance with the Belle detector at the KEKB asymmetric-energy
collider.