Observation of the decay psi(3686) -> Lambda(Sigma)over-bar(+/-) pi(-/+) + c.c

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American Physical Society

Erişim Hakkı

info:eu-repo/semantics/openAccess

Özet

Using a sample of 1:06 X 10(8) psi(3686) events collected with the BESIII detector, we present the first observation of the decays of psi(3686) -> Lambda(Sigma) over bar (+) pi(-) + c.c. and psi(3686) -> Lambda(Sigma) over bar (-) pi(+) + c.c. The branching fractions are measured to be B(psi(3686) -> Lambda(Sigma) over bar (+) pi(-) + c.c.) = (1.40 +/- 0.03 +/- 0.13) X 10(-4) and B(psi(3686) -> Lambda (Sigma) over bar (-) pi(+) + c.c.) = (1.54 +/- 0.04 +/- 0.13) X 10(-4) where the first errors are statistical and the second ones systematic.

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Anahtar Kelimeler

Quantum Chromodynamics (QCD), BESIII

Kaynak

Physical Review D

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Cilt

88

Sayı

11

Künye

Ablikim, M., Achasov, M. N., Ai, X.C., Albayrak, O., Ambrose, D. J., An, F. F. ... BESIII Collaboration. (2013). Observation of the decay psi(3686) -> Lambda(Sigma)over-bar(+/-) pi(-/+) + c.c. Physical Review D, 88 (11). https://dx.doi.org/10.1103/PhysRevD.88.112007.

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