AI Article Synopsis
- The study measures the CP asymmetry in the decay of B mesons to better understand their behavior, using data from 383 million B[over] B events collected by the BABAR detector.
- They focused on reconstructing 16 specific decay modes that involve a high-energy photon and a certain s quark-containing hadronic system.
- The CP asymmetry was found to be -0.011, with a statistical uncertainty of ±0.030 and a systematic uncertainty of ±0.014, for hadronic system masses between 0.6 and 2.8 GeV/c².
Article Abstract
We perform a measurement of the CP asymmetry in b-->sgamma decays using a sample of 383 x 10(6) B[over] B events collected by the BABAR detector at the SLAC PEP-II asymmetric B factory. We reconstruct 16 flavor-specific B decay modes containing a high-energy photon and a hadronic system X_(s) containing an s quark. We measure the CP asymmetry to be -0.011+/-0.030(stat)+/-0.014(syst) for a hadronic system mass between 0.6 and 2.8 GeV/c(2).
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| http://dx.doi.org/10.1103/PhysRevLett.101.171804 | DOI Listing |
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