Journal
PHYSICAL REVIEW D
Volume 104, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.034035
Keywords
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Funding
- China National Funds for Distinguished Young Scientists [11825503]
- National Key Research and Development Program of China [2020YFA0406400]
- 111 Project [B20063]
- National Natural Science Foundation of China [12047501]
- Fundamental Research Funds for the Central Universities
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The branching ratio B[B -> K chi(c0) (2P)] is extracted for the first time through fit fractions in the newly measured B -> KD (D) over bar process by LHCb. The extracted branching ratio is well reproduced with the rescattering mechanism, highlighting the role of the B -> KD (D) over bar process in establishing the chi(c0) (2P) charmonium state, a crucial step in constructing the charmonium family.
In this work, the branching ratio B[B -> K chi(c0) (2P) is extracted for the first time through the fit fractions in the newly measured B -> KD (D) over bar process by LHCb. With the rescattering mechanism, this extracted branching ratio is reproduced well. Our study further enforces the role of the newly measured B -> KD (D) over bar process to establish the chi(c0) (2P) charmonium state, which is a crucial step when constructing the charmonium family.
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