Descriptor: "*DECAY schemes (Radioactivity)" / Region: beijing (china) - Searchworks@Jio Institute Digital Library Search Results

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Start Over Descriptor "*DECAY schemes (Radioactivity)" Region beijing (china)

Author: Ablikim, M., Bai, J.Z., Bai, Y., Ban, Y., Cai, X., Chen, H.F., Chen, H.S., Chen, J.C., Chen, Jin, Chen, Y.B., Chu, Y.P., Dai, Y.S., Deng, Z.Y., Du, S.X., Fang, J., Fu, C.D., Gao, Y.N., Gu, Y.T., Guo, Z.J., and Harris, F.A.
Subjects: *DETECTORS, *PARTICLE accelerators, *PARTICLES (Nuclear physics), *DECAY schemes (Radioactivity)
Abstract: Abstract: Using 58 million decays obtained by BESII, a charged κ particle is observed in the analysis of the system recoiling against selected in . The mass and width values of the charged κ are obtained to be and for the Breit–Wigner parameters, and the pole position is determined to be . They are in good agreement with those of the neutral κ observed by the BES Collaboration. [Copyright &y& Elsevier]
Published: 2011
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Author: Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., An, F. F., An, Q., Bai, J. Z., Ferroli, R. Baldini, Ban, Y., Bennett, J. V., Bertani, M., Bian, J. M., Boger, E., Bondarenko, O., Boyko, I., Braun, S., Briere, R. A., and Cai, H.
Subjects: *BRANCHING ratios, *SPECTROMETERS, *DECAY schemes (Radioactivity), *OBSERVED confidence levels (Statistics)
Abstract: A search for the rare decays of J/ψ → Ds−ρ+ + c.c. and J/ψ → D̅0K̅*0 + c.c. is performed with a data sample of 225.3-million J/ψ events collected with the Beijing Spectrometer III detector. No evident signal is observed. Upper limits on the branching fractions are determined to be B(J/ψ → Ds−ρ+ + c.c.) < 1.3 × 10−5 and B(J/ψ → D̅0K̅*0 + c.c.) < 2.5 × 10-6 at the 90% confidence level. [ABSTRACT FROM AUTHOR]
Published: 2014
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