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Search for $$Omega(2012)to KXi(1530) to KpiXi$$ at Belle

Belle実験における$$Omega(2012)to KXi(1530) to KpiXi$$崩壊の探索

Jia, S.*; 谷田 聖; Belle Collaboration*; 他193名*

Jia, S.*; Tanida, Kiyoshi; Belle Collaboration*; 193 of others*

Using data samples of $$e^+e^-$$ collisions collected at the $$Upsilon(1S)$$, $$Upsilon(2S)$$, and $$Upsilon(3S)$$ resonances with the Belle detector, we search for the three-body decay of the $$Omega(2012)$$ baryon to $$KpiXi$$. This decay is predicted to dominate for models describing the $$Omega(2012)$$ as a $$KXi(1530)$$ molecule. No significant $$Omega(2012)$$ signals are observed in the studied channels, and 90% credibility level upper limits on the ratios of the branching fractions relative to $$K Xi$$ decay modes are obtained.

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パーセンタイル:49.94

分野:Astronomy & Astrophysics

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