Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 11, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-08619-y
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Funding
- National Science Foundation of China [11675030]
- CTUST [CTU109-P-108]
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More than ten Omega c0 weak decay modes have been measured with the branching fractions relative to that of Omega c0-> Omega-pi+. In order to extract the absolute branching fractions, the study of Omega c0-> Omega-pi+ is needed. In this work, we predict B pi equivalent to B(Omega c0-> Omega-pi+)=(5.1 +/- 0.7)x10-3 with the Omega c0-> Omega- transition form factors calculated in the light-front quark model. We also predict B rho equivalent to B(Omega c0-> Omega-rho+)=(14.4 +/- 0.4)x10-3 and Be equivalent to B(Omega c0-> Omega -e+nu e)=(5.4 +/- 0.2)x10-3. The previous values for B rho/B pi have been found to deviate from the most recent observation. Nonetheless, our B rho/B pi =2.8 +/- 0.4 is able to alleviate the deviation. Moreover, we obtain Be/B pi =1.1 +/- 0.2, which is consistent with the current data.
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