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Search for the semileptonic decays Ds+ â K1(1270)0e+Îœe</su b> and Ds+ â b1(1235)0e+Îœe</su b>
- Publication Year :
- 2023
-
Abstract
- By analyzing 7.33 fb(-1) of e(+)e(-) collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic decays D-s(+)-> K-1(1270)(0)e(+)nu(e) and D-s(+)-> b(1)(1235)(0)e(+)nu(e) for the first time. No significant signals are observed for either decay mode. The upper limits on the (product) branching fractions are determined to be B[D-s(+)-> K-1(1270)(0)e(+)nu(e)] < 4.1x10(-4) and B[D-s(+)-> b(1)(1235)(0)e(+)nu(e)]center dot B[b(1)(1235)(0)->omega pi(0)] < 6.4x10(-4) at 90% confidence level.<br />For complete list of authors see http://dx.doi.org/10.1103/PhysRevD.108.112002
Details
- Database :
- OAIster
- Notes :
- application/pdf, English
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.on1422607236
- Document Type :
- Electronic Resource
- Full Text :
- https://doi.org/10.1103.PhysRevD.108.112002